{"query_echo":{"q":"","filters":{"organization":["Climate Central"]},"warnings":[]},"total":{"value":351,"relation":"eq"},"page":2,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?organization=climate-central&page=2","next":"https://climateinsightsdirectory.org/api/v1/search?organization=climate-central&page=3","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"climcent-000072","url":"https://climateinsightsdirectory.org/document/climcent-000072","title":"Monthly Attribution Overview – May 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-05","source_url":"https://www.climatecentral.org/report/monthly-attribution-overview-may-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"In May 2026, the United States experienced slightly below-average temperatures overall, with an average anomaly of -0.2°F across 192 cities. Despite this, the western U.S. saw above-average temperatures, and the Northern Rockies and Plains region was the warmest, averaging more than 1.6°F above normal. Long-term data indicates that 185 of the 192 analyzed cities have warmed since 1970, with Reno, Nevada, showing the greatest increase at 7.5°F. Climate attribution analysis shows that San Juan, Puerto Rico, had the highest number of days (28) where temperatures were at least two times more likely due to climate change (CSI level 2 or higher).","ai_generated":true,"unit":"climcent-000072#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The United States had an average temperature anomaly of -0.2°F across 192 cities in May 2026, with 105 cities recording colder-than-average conditions and 83 recording warmer-than-average conditions.","ai_generated":true,"unit":"climcent-000072#insight-1","date_modified":"2026-10-23"},{"text":"Regional temperature variations were evident, with the Northern Rockies and Plains being the warmest region, exceeding normal temperatures by more than 1.6°F. West Palm Beach, Florida, was the most unusually warm city, recording a temperature 4.1°F above usual.","ai_generated":true,"unit":"climcent-000072#insight-2","date_modified":"2026-10-23"},{"text":"Long-term warming trends since 1970 are present in 185 of the 192 analyzed cities. Reno, Nevada, experienced the most significant increase, with average May temperatures rising by 7.5°F since 1970.","ai_generated":true,"unit":"climcent-000072#insight-3","date_modified":"2026-10-23"},{"text":"Climate attribution analysis using the Climate Shift Index (CSI) indicates that San Juan, Puerto Rico, had 28 days in May 2026 where temperatures were at least two times more likely because of climate change. On average, cities in the Southeast region had the highest number of such days, averaging 7.","ai_generated":true,"unit":"climcent-000072#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution"],"geography_discussed":["West Palm Beach","Reno","San Juan","Puerto Rico","Florida","Nevada"],"frame_perspective":[],"analysis_type":["attribution analysis","trend analysis"]},{"id":"climcent-000074","url":"https://climateinsightsdirectory.org/document/climcent-000074","title":"Monthly Climate Reports | National Climate Report | May 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-05","source_url":"https://www.climatecentral.org/climate-briefings/may-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The May 2026 report highlights that the month was the second-warmest on record globally, with carbon dioxide levels reaching a new monthly peak of 432.3 ppm. In the United States, spring 2026 was the second-warmest on record for the contiguous U.S., while 77% of the region experienced abnormally dry or drought conditions as of early June. The report also notes a developing potentially very strong El Niño and record-low snowpack in several western states.","ai_generated":true,"unit":"climcent-000074#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"May 2026 was the second-warmest month on record globally for combined land and ocean temperatures, with the Northern Hemisphere ranking fourth-warmest and the Southern Hemisphere second-warmest.","ai_generated":true,"unit":"climcent-000074#insight-1","date_modified":"2026-10-23"},{"text":"Atmospheric carbon dioxide concentrations reached a new monthly record of 432.3 parts per million at Mauna Loa, Hawaii, in May 2026, an increase of approximately 1.8 ppm over the previous year.","ai_generated":true,"unit":"climcent-000074#insight-2","date_modified":"2026-10-23"},{"text":"The contiguous United States experienced its second-warmest spring on record in 2026, with Arizona, Colorado, New Mexico, and Texas each recording their warmest spring ever.","ai_generated":true,"unit":"climcent-000074#insight-3","date_modified":"2026-10-23"},{"text":"Severe drought conditions affected at least 77% of the contiguous U.S. by June 2, 2026, with record-low maximum snowpack observed in Colorado, New Mexico, Utah, and Wyoming.","ai_generated":true,"unit":"climcent-000074#insight-4","date_modified":"2026-10-23"},{"text":"Hawaii experienced its wettest spring on record in 2026, receiving 34.42 inches of precipitation, which was 215.9% of the normal amount.","ai_generated":true,"unit":"climcent-000074#insight-5","date_modified":"2026-10-23"},{"text":"Climate Central's Climate Shift Index (CSI) indicates that human-caused climate change drove summertime warming trends in 91% of analyzed U.S. cities, with exceptional warmth (CSI 5) noted in San Juan, Puerto Rico and Sarasota, Florida in May.","ai_generated":true,"unit":"climcent-000074#insight-6","date_modified":"2026-10-23"},{"text":"Predictions from the North American Multi-Model Ensemble (NMME) suggest global temperatures could approach 1.9°C above pre-industrial levels by late 2026 or early 2027, driven by a potentially very strong El Niño.","ai_generated":true,"unit":"climcent-000074#insight-7","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide","precipitation","drought","extreme event attribution"],"geography_discussed":["Hawaii","Alaska","Arizona","Colorado","New Mexico","Texas","Florida","Puerto Rico","Mexico"],"frame_perspective":[],"analysis_type":["observational","predictive","attribution"]},{"id":"climcent-000023","url":"https://climateinsightsdirectory.org/document/climcent-000023","title":"Extreme Precipitation in a Warming Climate","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-04-29","source_url":"https://www.climatecentral.org/climate-matters/heavier-rainfall-in-129-us-cities","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis of 144 U.S. cities shows that 90% have experienced increased hourly rainfall intensity since 1970, with the highest average increases in the Upper Midwest. Projections indicate that at 2°C of global warming, 85% of U.S. counties will likely see a 10% or higher increase in precipitation on the heaviest 1% of days, with disproportionate risks for Black communities and rural areas.","ai_generated":true,"unit":"climcent-000023#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Between 1970 and 2025, 129 of the 144 analyzed U.S. cities (90%) saw an increase in hourly rainfall intensity, with an average increase of 15% across those locations. Specifically, 63% (91 cities) experienced an increase of 10% or more.","ai_generated":true,"unit":"climcent-000023#insight-1","date_modified":"2026-10-23"},{"text":"The increase in hourly rainfall intensity is widespread across all U.S. regions, but the most significant average increases occurred in the Upper Midwest (+18%), the Northern Rockies and Plains (+16%), and the Ohio Valley (+15%). Individual cities with the highest increases include Wichita, KS (+38%), Reno, NV (+37%), Fairbanks, AK (+37%), and El Paso, TX (+37%).","ai_generated":true,"unit":"climcent-000023#insight-2","date_modified":"2026-10-23"},{"text":"Under a 2°C (3.6°F) global warming scenario, 85% of the 3,111 U.S. counties are projected to experience a 10% or higher increase in precipitation on the heaviest 1% of days. Alaska and Hawaii are expected to see intensification levels of 43% and 30%, respectively. High-risk areas for at least a 30% increase are concentrated in Maine, Kentucky, North Carolina, Georgia, Alabama, Mississippi, and Tennessee.","ai_generated":true,"unit":"climcent-000023#insight-3","date_modified":"2026-10-23"},{"text":"Heavier rainfall increases flash flooding and landslide risks, which disproportionately affect vulnerable populations. Due to systemic racism and discrimination, people of color and those in mobile homes are more exposed to flooding, with higher vulnerabilities in the southern U.S. and rural areas. A projected 26% increase in overall U.S. flood risk by 2050 may disproportionately impact Black communities along the Gulf and Atlantic coasts.","ai_generated":true,"unit":"climcent-000023#insight-4","date_modified":"2026-10-23"}],"climate_tags":["flash flood","climate change","flood risk","climate justice"],"geography_discussed":["Upper Midwest","Northern Rockies and Plains","Ohio Valley","Wichita","Reno","Fairbanks","El Paso","Sioux Falls","Bismarck","North Platte","Tennessee","Alabama","Georgia","Mississippi","Maine","North Carolina","Kentucky","Alaska","Hawaii"],"frame_perspective":[],"analysis_type":["trend analysis","projection"]},{"id":"climcent-000249","url":"https://climateinsightsdirectory.org/document/climcent-000249","title":"A severe marine heat wave, intensified by climate change, is growing off the coast of California and Mexico","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-04-24","source_url":"https://www.climatecentral.org/climate-shift-index-alert/severe-marine-heatwave-climate-change-California-Mexico","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"A severe marine heat wave is impacting the northeast Pacific Ocean, with temperatures 2-5°F above normal and peak anomalies reaching 11°F. The event is strongly influenced by human-caused warming, which has increased the heat wave's footprint and duration.","ai_generated":true,"unit":"climcent-000249#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"A large and persistent marine heat wave is affecting the northeast Pacific Ocean, particularly off the coasts of Central and Southern California and Mexico, with sea surface temperatures currently 2-5°F above normal and localized hotspots exceeding 7°F. Peak anomalies for the full event have reached approximately 11°F.","ai_generated":true,"unit":"climcent-000249#insight-1","date_modified":"2026-10-23"},{"text":"The heat wave is characterized by high intensity and persistence, with 45% to 55% of the analyzed ocean area affected. Some regions have experienced near-continuous heat wave conditions since mid-2025, lasting 200-300 days, with intensities ranging from Category 2 (strong) to Category 4 (extreme).","ai_generated":true,"unit":"climcent-000249#insight-2","date_modified":"2026-10-23"},{"text":"Human-caused climate change has significantly intensified the event; without it, the total marine heat wave footprint would be approximately 36% smaller, and 13.7 million km² of the affected area would not have experienced these conditions. Additionally, the average location would have experienced about 18 heat wave days instead of 115.","ai_generated":true,"unit":"climcent-000249#insight-3","date_modified":"2026-10-23"},{"text":"The marine heat wave is causing food chain disruptions, as seabirds are unable to find typical food sources because fish are migrating toward cooler waters.","ai_generated":true,"unit":"climcent-000249#insight-4","date_modified":"2026-10-23"}],"climate_tags":["marine heatwave","sea surface temperature","climate change"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["attribution analysis"]},{"id":"climcent-000081","url":"https://climateinsightsdirectory.org/document/climcent-000081","title":"Monthly Attribution Overview – March 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-04-02","source_url":"https://www.climatecentral.org/report/monthly-attribution-overview-march-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"In March 2026, the United States experienced unprecedented warmth with an average temperature anomaly of 5.8°F across 192 cities. The Southwest was the warmest region, with temperatures more than 10.4°F above normal, and Phoenix recorded the highest individual city anomaly at 12.5°F. Long-term trends show that 188 of the 192 analyzed cities have warmed since 1970, with Wheeling, West Virginia, seeing the greatest increase of 11.7°F. Climate attribution analysis using the Climate Shift Index (CSI) indicates that in Flagstaff, Arizona, temperatures on 28 days in March were made at least two times more likely due to climate change.","ai_generated":true,"unit":"climcent-000081#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The United States experienced unprecedented temperatures in March 2026, with an average anomaly of 5.8°F across 192 analyzed cities. While 188 cities were warmer than average, only four were cooler. Thirty-three cities recorded their hottest March on record, and 80 cities saw one of their top five warmest March temperatures.","ai_generated":true,"unit":"climcent-000081#insight-1","date_modified":"2026-10-23"},{"text":"Regional analysis shows the Southwest was the warmest area, with average temperatures exceeding normal by more than 10.4°F. Phoenix, Arizona, was the most unusually warm city with a 12.5°F anomaly. Conversely, the Northwest was the most unusually cold region, with average anomalies of -1.8°F.","ai_generated":true,"unit":"climcent-000081#insight-2","date_modified":"2026-10-23"},{"text":"Long-term data indicates that 188 of the 192 analyzed cities have warmed on average since 1970. Wheeling, West Virginia, showed the most significant increase, with average March temperatures rising by 11.7°F since 1970.","ai_generated":true,"unit":"climcent-000081#insight-3","date_modified":"2026-10-23"},{"text":"Climate attribution using the Climate Shift Index (CSI) showed elevated values in eight of nine U.S. Climate Regions. In Flagstaff, Arizona, 28 days in March reached CSI level 2 or higher, meaning temperatures on those days were at least twice as likely to occur because of climate change. On average, Southwest cities had the highest number of CSI 2+ days at 25.","ai_generated":true,"unit":"climcent-000081#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","heat wave"],"geography_discussed":["Southwest","West Coast","Northwest","Phoenix","Wheeling","West Virginia","Flagstaff","Arizona"],"frame_perspective":[],"analysis_type":["attribution analysis","statistical trend analysis"]},{"id":"climcent-000040","url":"https://climateinsightsdirectory.org/document/climcent-000040","title":"Snowfall Trends","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-04-01","source_url":"https://www.climatecentral.org/climate-matters/western-snowpack-drought-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"As of March 30, 2026, the western U.S. is experiencing a historic snow drought, with snow water equivalent at its lowest record for April 1 and 65% below the 1991-2020 normal. This condition is attributed to a record-warm winter and a record-shattering March heat wave fueled by heat-trapping pollution. Long-term trends from 1955 to 2023 show an 18% average decline in April 1 snowpack across 652 monitoring stations, with snow droughts growing 28% longer between 1980 and 2018. These trends increase risks for water supplies, hydropower, and wildfires, with projections suggesting a further 25% decline in snow water equivalent by 2050.","ai_generated":true,"unit":"climcent-000040#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"As of March 30, 2026, the snow water equivalent for the western U.S. reached its lowest record for April 1, measuring 65% below the 1991-2020 normal.","ai_generated":true,"unit":"climcent-000040#insight-1","date_modified":"2026-10-23"},{"text":"Record-low snow water equivalents were observed as of March 30, 2026, in Arizona, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah, and Wyoming, while California experienced near-record low levels.","ai_generated":true,"unit":"climcent-000040#insight-2","date_modified":"2026-10-23"},{"text":"Long-term data from 1955 to 2023 indicates that April 1 snowpack across the western U.S. declined by an average of 18% across 652 monitoring stations.","ai_generated":true,"unit":"climcent-000040#insight-3","date_modified":"2026-10-23"},{"text":"The western U.S. is identified as a global hot spot for snow drought, with region-wide snow droughts increasing in length by 28% between 1980 and 2018.","ai_generated":true,"unit":"climcent-000040#insight-4","date_modified":"2026-10-23"},{"text":"Future projections indicate a further 25% decline in snow water equivalent across the western U.S. by 2050.","ai_generated":true,"unit":"climcent-000040#insight-5","date_modified":"2026-10-23"}],"climate_tags":["water-supply management","climate change","hydropower"],"geography_discussed":["Arizona","Colorado","Idaho","Nevada","New Mexico","Oregon","Utah","Wyoming","California","Colorado River Basin"],"frame_perspective":[],"analysis_type":["trend analysis","current state assessment"]},{"id":"climcent-000053","url":"https://climateinsightsdirectory.org/document/climcent-000053","title":"Fastest-Warming U.S. States and Cities","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-04","source_url":"https://www.climatecentral.org/climate-briefings/april-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"April 2026 was the fourth-warmest month globally on record, with the contiguous U.S. experiencing its third-warmest April. The report highlights severe drought in the Southeast U.S., record-low Western snowpack, and a persistent marine heat wave off the coasts of California and Mexico. Using the Climate Shift Index (CSI), the analysis attributes springtime warming trends in 98% of analyzed U.S. cities to human-caused climate change, with exceptional warmth noted in Honolulu and San Juan. Forecasts indicate a high probability of a strong El Niño developing later in 2026, potentially driving global temperature anomalies above 1.8°C relative to pre-industrial levels by early 2027.","ai_generated":true,"unit":"climcent-000053#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"April 2026 was the fourth-warmest month on record globally for combined land and ocean temperatures, and the contiguous U.S. experienced its third-warmest April on record.","ai_generated":true,"unit":"climcent-000053#insight-1","date_modified":"2026-10-23"},{"text":"Eight U.S. states recorded their warmest April on record: Illinois, Indiana, Kentucky, Missouri, Ohio, Tennessee, Virginia, and West Virginia. West Virginia's anomaly was particularly high, surpassing its 1896 record by 1.5°F and reaching 8.1°F above the twentieth-century average.","ai_generated":true,"unit":"climcent-000053#insight-2","date_modified":"2026-10-23"},{"text":"Severe drought is affecting the contiguous U.S., with at least 75% of the area experiencing abnormally dry or drought conditions as of May 7, 2026. The Southeast U.S. is seeing the largest extent of severe or worse drought on record since 2000.","ai_generated":true,"unit":"climcent-000053#insight-3","date_modified":"2026-10-23"},{"text":"Water storage in the Western U.S. snowpack reached a record low for April 1, with snow water equivalent remaining below 50% of the 1991-2020 median in most basins from Washington to New Mexico.","ai_generated":true,"unit":"climcent-000053#insight-4","date_modified":"2026-10-23"},{"text":"Analysis using the Climate Shift Index (CSI) indicates that human-caused climate change drove springtime warming trends in 98% of analyzed U.S. cities. Honolulu, Hawaii, and San Juan, Puerto Rico, experienced the most days with CSI 5, signifying exceptional climate-driven warmth.","ai_generated":true,"unit":"climcent-000053#insight-5","date_modified":"2026-10-23"},{"text":"A persistent marine heat wave off the coasts of California and Mexico continued in April, with 30% to 45% of the affected area experiencing conditions at least six times more likely due to human-caused climate change.","ai_generated":true,"unit":"climcent-000053#insight-6","date_modified":"2026-10-23"},{"text":"Global temperature forecasts project anomalies above 1.8°C relative to the 1850-1900 pre-industrial baseline by early 2027, largely driven by the expected development of a strong El Niño in the tropical Pacific later in 2026.","ai_generated":true,"unit":"climcent-000053#insight-7","date_modified":"2026-10-23"},{"text":"Increased temperatures in the U.S. have led to record-high cooling degree days in the Northwest, South, Southwest, and West climate regions from January to April 2026, increasing energy demand for air conditioning.","ai_generated":true,"unit":"climcent-000053#insight-8","date_modified":"2026-10-23"}],"climate_tags":["climate change","drought","marine heatwave","El Niño southern oscillation","carbon dioxide","energy demand","extreme event attribution","sea surface temperature"],"geography_discussed":["Hawaii","Alaska","West Virginia","California","Mexico","Puerto Rico","Canada","British Columbia","Peru","Chile"],"frame_perspective":[],"analysis_type":["climate monitoring","attribution analysis","seasonal forecasting"]},{"id":"climcent-000025","url":"https://climateinsightsdirectory.org/document/climcent-000025","title":"Climate Matters","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-03-25","source_url":"https://www.climatecentral.org/climate-matters/solar-and-wind-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"In 2025, the U.S. generated a record 853,210 GWh from solar and wind, accounting for 19% of total electricity generation. This represents a more than threefold increase since 2016, with solar generation growing more than seven-fold and wind doubling. Despite this growth, the document notes that the U.S. faces new challenges, including the repeal of clean energy tax credits via the One Big Beautiful Bill Act of 2025 and the U.S. withdrawal from the Paris Agreement in 2026. These policy shifts, combined with rising electricity demand from data centers, are projected to increase heat-trapping pollution and raise average annual household energy costs by over $280 by 2035.","ai_generated":true,"unit":"climcent-000025#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The U.S. achieved record levels of solar and wind electricity generation in 2025, totaling 853,210 gigawatt-hours (GWh), which is more than triple the amount generated in 2016.","ai_generated":true,"unit":"climcent-000025#insight-1","date_modified":"2026-10-23"},{"text":"Solar and wind combined for 19% of total U.S. electricity generation in 2025, surpassing coal's share of 16% for the second consecutive year.","ai_generated":true,"unit":"climcent-000025#insight-2","date_modified":"2026-10-23"},{"text":"Regional leadership in clean energy is concentrated in specific states: California and Texas together produced 40% of all U.S. solar power in 2025, while Texas generated 28% of all U.S. wind power.","ai_generated":true,"unit":"climcent-000025#insight-3","date_modified":"2026-10-23"},{"text":"The unsubsidized costs of solar and wind power in the U.S. fell by 76% and 51%, respectively, between 2010 and 2024.","ai_generated":true,"unit":"climcent-000025#insight-4","date_modified":"2026-10-23"},{"text":"U.S. electricity demand has risen steadily since 2020, primarily driven by the growth of data centers and expanded industrial use.","ai_generated":true,"unit":"climcent-000025#insight-5","date_modified":"2026-10-23"},{"text":"Recent federal policy reversals, specifically the One Big Beautiful Bill Act and the 2026 withdrawal from the Paris Agreement, are projected to increase U.S. heat-trapping pollution by 7% over 2005 levels by 2035.","ai_generated":true,"unit":"climcent-000025#insight-6","date_modified":"2026-10-23"},{"text":"The repeal of clean energy tax credits through the One Big Beautiful Bill Act of 2025 is estimated to increase average annual U.S. household energy costs by approximately $165 in 2030 and over $280 in 2035.","ai_generated":true,"unit":"climcent-000025#insight-7","date_modified":"2026-10-23"}],"climate_tags":["solar energy","wind power","electricity generation","energy transition","fossil fuel","coal","data center","Paris Agreement","Inflation Reduction Act of 2022"],"geography_discussed":["California","Texas","Florida","Iowa","Illinois","South Dakota","New Mexico","World"],"frame_perspective":[],"analysis_type":["statistical analysis","policy assessment"]},{"id":"climcent-000090","url":"https://climateinsightsdirectory.org/document/climcent-000090","title":"Climate Change Drove Record Winter Warmth in the Western U.S.","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-03-18","source_url":"https://www.climatecentral.org/climate-matters/2025-us-winter-attribution","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Between December 2025 and February 2026, human-caused climate change significantly influenced global temperatures, with more than one in six people daily experiencing temperatures at least twice as likely due to climate change. In the United States, a sharp divide occurred: western states saw record-breaking warmth, with nine states experiencing their warmest December-February on record and Casper, Wyoming, recording the highest temperature anomaly globally among 960 analyzed cities. Conversely, the eastern U.S. faced below-average temperatures and cold snaps that the Climate Shift Index (CSI) indicates were made less likely by climate change. The record warmth in the west has led to low snowpack in Oregon, Colorado, and Utah, threatening water supplies and increasing wildfire risks.","ai_generated":true,"unit":"climcent-000090#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"From December 2025 to February 2026, over one-sixth of the global population experienced daily average temperatures that were at least two times more likely to occur because of human-caused climate change.","ai_generated":true,"unit":"climcent-000090#insight-1","date_modified":"2026-10-23"},{"text":"The western United States experienced exceptional winter warmth, with nine states recording their warmest December-February period on record. Wyoming, Colorado, Montana, and Utah saw average temperatures more than 7°F above normal, with Wyoming reaching 9.3°F above normal.","ai_generated":true,"unit":"climcent-000090#insight-2","date_modified":"2026-10-23"},{"text":"Among 960 cities analyzed globally, the western U.S. dominated the highest temperature anomalies, with 13 of the top 15 cities located there. Casper, Wyoming, had the highest anomaly at 13.0°F.","ai_generated":true,"unit":"climcent-000090#insight-3","date_modified":"2026-10-23"},{"text":"Climate change increased the likelihood of unusually warm temperatures for residents in Hawaii, Arizona, California, Nevada, and New Mexico, who experienced more than a month of such conditions. In 54 U.S. cities, residents experienced at least two weeks of temperatures made at least two times more likely by climate change.","ai_generated":true,"unit":"climcent-000090#insight-4","date_modified":"2026-10-23"},{"text":"The record-low snowpack in Utah, Colorado, and Oregon resulting from the warm winter threatens regional water supplies and may increase the intensity of wildfires due to drier grasslands and forests.","ai_generated":true,"unit":"climcent-000090#insight-5","date_modified":"2026-10-23"},{"text":"While the eastern U.S. experienced below-average temperatures and extreme cold snaps, these events were generally made less likely by climate change. For example, a January 25, 2026, cold snap affecting 34 eastern cities was at least two times less likely to occur due to heat-trapping pollution.","ai_generated":true,"unit":"climcent-000090#insight-6","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","water security","wildfire"],"geography_discussed":["Wyoming","Colorado","Montana","Utah","Casper","Hawaii","Arizona","California","Nevada","New Mexico","Puerto Rico","Oregon"],"frame_perspective":[],"analysis_type":["attribution analysis"]},{"id":"climcent-000333","url":"https://climateinsightsdirectory.org/document/climcent-000333","title":"People Exposed to Climate Change: December 2025-February 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-03-18","source_url":"https://assets.ctfassets.net/cxgxgstp8r5d/2ooKExIans3PBmtGPVOomg/7a083eeba40b8a3cdfdbab4e2f3a1d87/People_Exposed_to_Climate_Change__December_2025-February_2026.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Between December 2025 and February 2026, climate change significantly boosted global temperatures, with over one in six people experiencing strong climate influence daily. Nearly 228 million people faced 30 or more risky heat days added by climate change, with 81% of these individuals residing in Africa. The analysis highlights that in 45 countries, all risky heat days during this period were driven by climate change, and 124 countries saw the average person experience at least 30 days of strong climate influence (CSI level 2 or higher).","ai_generated":true,"unit":"climcent-000333#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Every day from December 1, 2025, to February 28, 2026, approximately 1.4 billion people, or 17% of the global population, experienced temperatures made at least twice as likely due to climate change (CSI level 2 or higher). Exposure peaked on February 13, 14, and 21, when over 3 billion people (about 42% of the global population) were affected.","ai_generated":true,"unit":"climcent-000333#insight-1","date_modified":"2026-10-23"},{"text":"Climate change was the sole driver of all risky heat days (temperatures above the 90th percentile of 1991-2020 observations) in 45 countries during the three-month period. On average across 174 cities that had at least one risky heat day, climate change drove 88% of those days.","ai_generated":true,"unit":"climcent-000333#insight-2","date_modified":"2026-10-23"},{"text":"Nearly 228 million people experienced 30 or more days of risky heat added by climate change. The vast majority of this population, 185 million people (81%), live in Africa. Nigeria had the highest number of exposed people, with 103.6 million (99% of its population) experiencing 30+ days of risky heat added by climate change.","ai_generated":true,"unit":"climcent-000333#insight-3","date_modified":"2026-10-23"},{"text":"In 124 countries, the average person experienced at least 30 days with temperatures strongly influenced by climate change (CSI 2 or higher). In 58 countries, this exposure lasted at least 60 days, with Palau, Réunion, and Suriname experiencing the highest levels at 85 or more days.","ai_generated":true,"unit":"climcent-000333#insight-4","date_modified":"2026-10-23"},{"text":"Urban areas showed significant vulnerability, with 276 of 960 analyzed global cities seeing the average person experience at least 30 days of strong climate influence. Among 20 global megacities, four (with a combined population over 56 million) endured 30 or more such days, including Lagos, Mexico City, Kinshasa, and Sao Paulo.","ai_generated":true,"unit":"climcent-000333#insight-5","date_modified":"2026-10-23"},{"text":"In the United States, the average person in Puerto Rico, Hawaii, Arizona, California, Nevada, and New Mexico experienced at least 30 days of unusually warm temperatures made at least twice as likely by climate change. Wyoming recorded the highest temperature anomaly, averaging 9.3°F (5.2°C) above average.","ai_generated":true,"unit":"climcent-000333#insight-6","date_modified":"2026-10-23"},{"text":"Climate-driven extremes beyond temperature included an early Australian heat wave, record warmth in Greenland's January, and wildfires in Patagonia that killed 23 people. Other impacts included severe drought in Kenya (the driest season since 1981), deadly snowfall in Japan, and fatal floods in Morocco and Sri Lanka, Indonesia, and Thailand.","ai_generated":true,"unit":"climcent-000333#insight-7","date_modified":"2026-10-23"}],"climate_tags":["extreme heat","urban heat island","wildfire","drought","precipitation","flood"],"geography_discussed":["Africa","Oceania","United States","Nigeria","Australia","Greenland","Kenya","Japan"],"frame_perspective":[],"analysis_type":["attribution analysis","population exposure assessment"]},{"id":"climcent-000213","url":"https://climateinsightsdirectory.org/document/climcent-000213","title":"Warmer Growing Season, Longer Allergy Season","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-03-11","source_url":"https://www.climatecentral.org/climate-matters/earlier-spring-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis of USA National Phenology Network data shows that first spring leaves now emerge earlier in 88% of 242 major U.S. cities, shifting by an average of six days since 1981. This trend, combined with a freeze-free growing season that has stretched 21 days longer on average across 173 cities between 1970 and 2025, extends allergy seasons and increases the risk of 'false spring' crop losses. Ecological disruptions include potential mismatches between bird migration and the peak abundance of food sources.","ai_generated":true,"unit":"climcent-000213#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Between 1981 and 2025, the first leaves of spring emerged earlier in 88% (212) of 242 major U.S. cities, with an average shift of six days earlier. The most significant shifts occurred in the Northeast, Ohio Valley, and Southeast, with New York City and Newark, NJ seeing the earliest emergence, 16 days earlier than in the early 1980s.","ai_generated":true,"unit":"climcent-000213#insight-1","date_modified":"2026-10-23"},{"text":"The freeze-free growing season across 173 major U.S. cities increased by an average of 21 days from 1970 to 2025, which extends the period plants release pollen and worsens seasonal allergies for approximately one-quarter of U.S. adults and one-fifth of children.","ai_generated":true,"unit":"climcent-000213#insight-2","date_modified":"2026-10-23"},{"text":"Earlier spring leaf-out increases the risk of 'false springs,' where a hard freeze follows early growth. A 2017 false spring in the southeastern U.S. resulted in approximately $1 billion in fruit crop losses. Future risks may increase in the Midwest and Great Plains if heat-trapping pollution rises.","ai_generated":true,"unit":"climcent-000213#insight-3","date_modified":"2026-10-23"},{"text":"Warming trends disrupt ecological timing, such as causing birds in the contiguous U.S. to migrate earlier, which may lead to a mismatch between the birds and the peak abundance of the insects they eat or the flowers they pollinate.","ai_generated":true,"unit":"climcent-000213#insight-4","date_modified":"2026-10-23"}],"climate_tags":["climate change"],"geography_discussed":["Northern Rockies","Plains","Northeastern United States","Ohio Valley","Southeast","New York City","Newark","Washington, D.C.","Bluefield","Wheeling","Huntington","Clarksburg","Atlantic City","Boston","Hagerstown","Great Plains","Midwestern United States"],"frame_perspective":[],"analysis_type":["trend analysis","impact assessment"]},{"id":"climcent-000037","url":"https://climateinsightsdirectory.org/document/climcent-000037","title":"Monthly Attribution Overview – February 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-03-03","source_url":"https://www.climatecentral.org/report/monthly-attribution-overview-february-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"In February 2026, the United States experienced an average temperature anomaly of 2.1°F across 192 cities. While the Northeast was the coldest region with an average anomaly of -3.4°F, the Northern Rockies and Plains were the warmest, exceeding normal temperatures by more than 8.4°F. Long-term data indicates that 173 of the 192 analyzed cities have warmed since 1970, with Albany, Georgia, showing the greatest increase at 8.4°F. Climate attribution analysis using the Climate Shift Index (CSI) found that San Juan, Puerto Rico, had 16 days where temperatures were at least five times more likely due to climate change.","ai_generated":true,"unit":"climcent-000037#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The United States saw overall above-average temperatures in February 2026, with an average anomaly of 2.1°F across 192 analyzed cities. While 125 cities were warmer than average, 67 were cooler.","ai_generated":true,"unit":"climcent-000037#insight-1","date_modified":"2026-10-23"},{"text":"Regional temperature variations were significant: the Northern Rockies and Plains were the warmest region, averaging more than 8.4°F above normal, while the Northeast was the coldest, with average anomalies of -3.4°F.","ai_generated":true,"unit":"climcent-000037#insight-2","date_modified":"2026-10-23"},{"text":"Rapid City, South Dakota, was the most unusually warm city in February 2026, recording a temperature 10.9°F above usual.","ai_generated":true,"unit":"climcent-000037#insight-3","date_modified":"2026-10-23"},{"text":"Long-term trends show that 173 of the 192 analyzed cities have warmed since 1970. Albany, Georgia, recorded the highest increase, with February temperatures 8.4°F warmer than in 1970.","ai_generated":true,"unit":"climcent-000037#insight-4","date_modified":"2026-10-23"},{"text":"Climate attribution using the Climate Shift Index (CSI) showed that San Juan, Puerto Rico, had 16 days in February where temperatures were at least five times more likely because of climate change. The Southwest region had the highest average number of days (15) with a CSI of 2 or above.","ai_generated":true,"unit":"climcent-000037#insight-5","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution"],"geography_discussed":["Rapid City","Albany","San Juan","Southwest","Northeastern United States","Northern Rockies and Plains"],"frame_perspective":[],"analysis_type":["attribution analysis","trend analysis"]},{"id":"climcent-000054","url":"https://climateinsightsdirectory.org/document/climcent-000054","title":"Record Snow Drought Limits Western Water Supplies","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-03","source_url":"https://www.climatecentral.org/climate-briefings/march-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"March 2026 was the warmest March on record for the contiguous U.S., characterized by a historic snow drought in the West and extreme heat that increased cooling energy demand. Globally, the month was the second-warmest on record, with Arctic sea-ice reaching a near-record low maximum. In the U.S., severe drought affected 77% of the contiguous region, while Hawaii experienced record-breaking precipitation due to Kona lows.","ai_generated":true,"unit":"climcent-000054#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"March 2026 was the warmest March on record for the contiguous U.S., with an average temperature 9.4°F above the 20th-century average, marking the first time a monthly anomaly exceeded +9°F.","ai_generated":true,"unit":"climcent-000054#insight-1","date_modified":"2026-10-23"},{"text":"The western U.S. experienced a historic snow drought, with the amount of water stored in the snowpack reaching its lowest record for April 1. Snow water equivalent is below 50% of the 1991-2020 normal in most watershed basins from Oregon to New Mexico.","ai_generated":true,"unit":"climcent-000054#insight-2","date_modified":"2026-10-23"},{"text":"Widespread drought conditions affected at least 77% of the contiguous U.S. as of April 7, 2026. The period from January to March 2026 was the driest on record for the contiguous U.S., with some areas in Arizona, California, Colorado, Kansas, Nebraska, New Mexico, and Texas receiving less than 10% of their average precipitation.","ai_generated":true,"unit":"climcent-000054#insight-3","date_modified":"2026-10-23"},{"text":"Human-caused climate change is identified as the primary driver of spring warming trends in 98% of 241 major U.S. cities from 1970 to 2025. In March 2026, 111 of 192 analyzed cities in the contiguous U.S. had at least one week of temperatures made at least twice as likely by human-caused climate change.","ai_generated":true,"unit":"climcent-000054#insight-4","date_modified":"2026-10-23"},{"text":"Hawaii experienced record-breaking precipitation in March 2026 due to Kona lows, with statewide precipitation averaging 22.27 inches, surpassing the previous 2006 record of 18.77 inches.","ai_generated":true,"unit":"climcent-000054#insight-5","date_modified":"2026-10-23"},{"text":"Global temperatures in March 2026 were the second-warmest on record for combined land and ocean, tied with 2024. Arctic sea-ice reached its 2026 maximum on March 15 at 5.52 million square miles, which was statistically tied for the lowest on record since 1978/1979.","ai_generated":true,"unit":"climcent-000054#insight-6","date_modified":"2026-10-23"},{"text":"Extreme March heat led to record cooling degree days in the Northwest, Southwest, and West U.S. regions. Arizona recorded 228 degree-days Fahrenheit in March 2026, nearly doubling its previous record of 116°Df from 2004.","ai_generated":true,"unit":"climcent-000054#insight-7","date_modified":"2026-10-23"}],"climate_tags":["drought","precipitation","extreme event attribution","energy demand"],"geography_discussed":["Arctic","Antarctic","Hawaii","Alaska","Arizona","California","Colorado","New Mexico","Nevada","Puerto Rico"],"frame_perspective":[],"analysis_type":["climate monitoring","attribution analysis","seasonal forecasting"]},{"id":"climcent-000191","url":"https://climateinsightsdirectory.org/document/climcent-000191","title":"More Coffee-Harming Heat Due to Carbon Pollution","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"research paper","language":"en","date_published":"2026-02-18","source_url":"https://www.climatecentral.org/climate-matters/more-coffee-harming-heat-due-to-carbon-pollution-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis by Climate Central indicates that all 25 analyzed coffee-producing countries, representing 97% of global production, experienced an increase in 'coffee-harming heat' (temperatures above 30°C) between 2021 and 2025 due to carbon pollution. The top five producers—Brazil, Vietnam, Colombia, Ethiopia, and Indonesia—saw an average of 57 additional days of such heat annually. Brazil, the largest producer, experienced 70 extra days of coffee-harming heat per year on average. These conditions threaten both arabica and robusta coffee varieties, with arabica being more sensitive to heat. The report warns that land suitable for coffee farming could decrease by 50% by 2050 without adaptation, potentially leading to deforestation as farmers move to higher elevations.","ai_generated":true,"unit":"climcent-000191#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Between 2021 and 2025, all 25 analyzed coffee-growing countries, which together account for approximately 97% of global production, experienced an increase in coffee-harming heat caused by climate change.","ai_generated":true,"unit":"climcent-000191#insight-1","date_modified":"2026-10-23"},{"text":"The five largest coffee-producing nations—Brazil, Vietnam, Colombia, Ethiopia, and Indonesia—which provide 75% of the global supply, faced an average of 57 additional days per year of temperatures exceeding the 30°C threshold due to climate change.","ai_generated":true,"unit":"climcent-000191#insight-2","date_modified":"2026-10-23"},{"text":"Brazil, the world's leading coffee producer, saw an average of 70 additional days of coffee-harming heat annually, with its primary coffee-growing state, Minas Gerais, experiencing 67 extra days.","ai_generated":true,"unit":"climcent-000191#insight-3","date_modified":"2026-10-23"},{"text":"Among the 25 countries analyzed, the highest number of additional coffee-harming heat days were recorded in El Salvador (99), Nicaragua (77), and Thailand (75).","ai_generated":true,"unit":"climcent-000191#insight-4","date_modified":"2026-10-23"},{"text":"Without adequate adaptation, the amount of land suitable for coffee cultivation may be reduced by 50% by the year 2050.","ai_generated":true,"unit":"climcent-000191#insight-5","date_modified":"2026-10-23"}],"climate_tags":["carbon dioxide emissions","climate change","deforestation","extreme event attribution","extreme weather event","smallholder"],"geography_discussed":["Brazil","Vietnam","Colombia","Ethiopia","Indonesia","Minas Gerais","El Salvador","Nicaragua","Thailand","United States"],"frame_perspective":[],"analysis_type":["attribution science"]},{"id":"climcent-000036","url":"https://climateinsightsdirectory.org/document/climcent-000036","title":"Climate Change is Disrupting Air Travel","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"policy brief","language":"en","date_published":"2026-02-04","source_url":"https://www.climatecentral.org/climate-matters/climate-change-and-transportation-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document details how climate change disrupts U.S. transportation systems through acute events like hurricanes and chronic stressors like sea level rise. It highlights significant projected costs for asphalt maintenance and railroad delays, the vulnerability of coastal highways and bridges, and the necessity of proactive adaptation, such as using heat-resistant materials and nature-based solutions, to mitigate economic losses.","ai_generated":true,"unit":"climcent-000036#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Extreme heat causes physical degradation of transportation materials, leading to warping, buckling, and the malfunction of mechanical parts in infrastructure like movable bridges. Under an intermediate emissions scenario, this is projected to increase asphalt pavement maintenance costs by $21.8 billion by 2070 and cause cumulative railroad delays costing up to $60 billion by 2100.","ai_generated":true,"unit":"climcent-000036#insight-1","date_modified":"2026-10-23"},{"text":"Wildfires in the western U.S. damage roadways by melting asphalt binder and increasing the likelihood of subsequent landslides. Between 2000 and 2019, over 256,000 miles of roads in the contiguous U.S. were exposed to large fires.","ai_generated":true,"unit":"climcent-000036#insight-2","date_modified":"2026-10-23"},{"text":"Increased precipitation and sea level rise threaten coastal and underground infrastructure. Up to 100,000 U.S. bridges, primarily in the east, are vulnerable to flooding from heavier rainfall, with adaptation costs estimated between $140 billion and $250 billion by 2100. Additionally, high tide flooding frequency in the U.S. has more than doubled since 2000 and is expected to more than triple by 2050.","ai_generated":true,"unit":"climcent-000036#insight-3","date_modified":"2026-10-23"},{"text":"Sea level rise is projected to cause a 10-fold increase in East Coast traffic delays due to high tide flooding by 2060 compared to the 2010s. By 2056–2065, high tide flooding could occur almost daily in several states, including Florida, North Carolina, Maryland, New Jersey, Connecticut, and Washington, D.C.","ai_generated":true,"unit":"climcent-000036#insight-4","date_modified":"2026-10-23"},{"text":"Adaptation strategies to improve resilience include using higher heat grades of asphalt, implementing nature-based solutions like living shorelines, and incorporating future climate projections into infrastructure planning. Proactive adaptation could save tens of billions of dollars annually in climate-related costs for U.S. roads and railroads by 2050.","ai_generated":true,"unit":"climcent-000036#insight-5","date_modified":"2026-10-23"}],"climate_tags":["extreme heat","wildfire","sea level rise","hurricane","coastal erosion","storm surge","climate change adaptation","nature-based solutions"],"geography_discussed":["Alaska","New York City","Connecticut","New Jersey","Maryland","Washington, D.C.","North Carolina","Florida","World"],"frame_perspective":[],"analysis_type":["risk assessment","economic projection","policy recommendation"]},{"id":"climcent-000207","url":"https://climateinsightsdirectory.org/document/climcent-000207","title":"Monthly Attribution Overview – January 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"report","language":"en","date_published":"2026-02-03","source_url":"https://www.climatecentral.org/report/monthly-attribution-overview-january-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"In January 2026, the United States experienced an average temperature anomaly of -1.2°F, with 133 cities recording cooler-than-average conditions. Despite this national trend, the western U.S., particularly the Northern Rockies & Plains, saw significant warming, with Helena, Montana, recording the highest anomaly at 9.1°F. Long-term data indicates that 191 of the 194 analyzed cities have experienced warming trends since 1970, with Great Falls, Montana, showing the largest increase of 9.6°F. Climate attribution analysis using the Climate Shift Index (CSI) highlighted that San Juan, Puerto Rico, had 24 days where temperatures were at least five times more likely due to climate change.","ai_generated":true,"unit":"climcent-000207#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The United States generally experienced below-average temperatures in January 2026, with an average anomaly of -1.2°F across 194 analyzed cities. While 133 cities were cooler than average, 57 were warmer, and two were near-normal.","ai_generated":true,"unit":"climcent-000207#insight-1","date_modified":"2026-10-23"},{"text":"Regional temperature variations were stark, with the Northern Rockies & Plains being the most unusually warm region (average anomalies exceeding 3.3°F) and the Ohio Valley being the most unusually cold (average anomalies of -3.9°F). Helena, Montana, was the warmest city relative to normal, at 9.1°F above average.","ai_generated":true,"unit":"climcent-000207#insight-2","date_modified":"2026-10-23"},{"text":"Long-term trends show consistent warming since 1970 for nearly all analyzed locations (191 out of 194 cities). Great Falls, Montana, recorded the most significant increase, with average January temperatures rising 9.6°F since 1970.","ai_generated":true,"unit":"climcent-000207#insight-3","date_modified":"2026-10-23"},{"text":"Climate attribution analysis using the Climate Shift Index (CSI) showed that San Juan, Puerto Rico, had 24 days in January 2026 where temperatures were at least five times more likely to occur because of climate change. On average, cities in the West had the highest number of days (12) with a CSI of 2 or above.","ai_generated":true,"unit":"climcent-000207#insight-4","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution"],"geography_discussed":["Northern Rockies & Plains","Ohio Valley","Helena","Great Falls","San Juan","Puerto Rico"],"frame_perspective":[],"analysis_type":["attribution analysis","trend analysis"]},{"id":"climcent-000096","url":"https://climateinsightsdirectory.org/document/climcent-000096","title":"Climate Central’s Monthly Briefing Highlights from February 2026","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2026-02","source_url":"https://www.climatecentral.org/climate-briefings/february-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"February 2026 was the fifth-warmest month globally on record, with the contiguous U.S. experiencing its second-warmest winter in 132 years. A critical 'snow drought' affected the western U.S., where snow-covered areas in January were only 34% of normal, threatening water supplies for agriculture and energy. Climate Central's analysis indicates that human-driven climate change significantly influenced winter temperatures, particularly in the Southwest, and is the primary cause of spring warming in 98% of 241 examined U.S. cities.","ai_generated":true,"unit":"climcent-000096#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"February 2026 was the fifth-warmest month on record globally for combined land and ocean temperatures, with ocean areas specifically ranking as the second-warmest on record for that month.","ai_generated":true,"unit":"climcent-000096#insight-1","date_modified":"2026-10-23"},{"text":"The contiguous United States experienced its second-warmest winter on record for the period of December, January, and February 2025-2026, with nine states recording their warmest winter ever.","ai_generated":true,"unit":"climcent-000096#insight-2","date_modified":"2026-10-23"},{"text":"A historic snow drought occurred across the western United States, with January 2026 snow-covered areas reaching a record low of 34% of normal and snow cover duration by the end of February being 63% below normal.","ai_generated":true,"unit":"climcent-000096#insight-3","date_modified":"2026-10-23"},{"text":"Water security in the western U.S. is threatened as snow water equivalent (SWE) is below 50% of the 1991-2020 normal in most watershed basins from Oregon to New Mexico, with record lows in Colorado and near-record lows in Arizona, New Mexico, Oregon, and Utah.","ai_generated":true,"unit":"climcent-000096#insight-4","date_modified":"2026-10-23"},{"text":"Human-driven climate change is identified as the primary cause of spring warming in 98% of 241 U.S. cities analyzed between 1970 and 2025.","ai_generated":true,"unit":"climcent-000096#insight-5","date_modified":"2026-10-23"},{"text":"Climate Central's Climate Shift Index (CSI) analysis shows that more than one in six people globally experienced temperatures with a strong climate change influence every day from December 2025 to February 2026.","ai_generated":true,"unit":"climcent-000096#insight-6","date_modified":"2026-10-23"},{"text":"Forecasts suggest global temperatures will likely rise well above 1.5°C above the 1850-1900 preindustrial baseline by the end of 2026, potentially influenced by the development of El Niño conditions.","ai_generated":true,"unit":"climcent-000096#insight-7","date_modified":"2026-10-23"}],"climate_tags":["extreme event attribution","drought","water-supply management"],"geography_discussed":["Arizona","Colorado","New Mexico","Oregon","Utah","Puerto Rico","Colorado River Basin","Phoenix","Salt Lake City","Tucson"],"frame_perspective":[],"analysis_type":["climate monitoring","attribution analysis","seasonal forecasting"]},{"id":"climcent-000168","url":"https://climateinsightsdirectory.org/document/climcent-000168","title":"Coldest Days Warming Up","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-01-28","source_url":"https://www.climatecentral.org/climate-matters/winter-warming-2026","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Analysis of 244 U.S. weather stations shows that 86% of locations have seen an increase in extremely warm winter days since 1970, with the coldest day of the year warming by an average of 7°F across 242 locations.","ai_generated":true,"unit":"climcent-000168#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The coldest day of the year has increased in temperature by an average of 7°F across 242 U.S. locations between 1970 and 2023, with 97% of locations seeing a rise of at least 1°F.","ai_generated":true,"unit":"climcent-000168#insight-1","date_modified":"2026-10-23"},{"text":"Extremely warm winter days—defined as those with maximum temperatures warmer than 90% of all winter daily highs from 1970 to 2025—have increased in 86% (210) of the 244 analyzed U.S. locations, adding six such days on average.","ai_generated":true,"unit":"climcent-000168#insight-2","date_modified":"2026-10-23"},{"text":"The Upper Midwest experienced the most significant increase in extremely warm winter days, averaging seven more days than in the 1970s. Specific cities with the largest increases include Miami, Fla. (+20 days), San Jose, Calif. (+13 days), and Beaumont, Texas (+13 days).","ai_generated":true,"unit":"climcent-000168#insight-3","date_modified":"2026-10-23"},{"text":"Winter is the fastest-warming season for 76% of the analyzed U.S. locations, with the most rapid warming occurring in the Northeast and the Great Lakes region.","ai_generated":true,"unit":"climcent-000168#insight-4","date_modified":"2026-10-23"},{"text":"Other winter trends include a decrease in freezing nights (averaging 15 fewer in 210 locations) and a reduction in the length of winter cold streaks, which are now six days shorter on average across 98% of 240 analyzed locations.","ai_generated":true,"unit":"climcent-000168#insight-5","date_modified":"2026-10-23"}],"climate_tags":["agriculture","vector-borne disease"],"geography_discussed":["Upper Midwest","Northeastern United States","Great Lakes region","Miami","San Jose","Beaumont","McAllen","Milwaukee","Green Bay"],"frame_perspective":[],"analysis_type":["trend analysis"]},{"id":"climcent-000004","url":"https://climateinsightsdirectory.org/document/climcent-000004","title":"Snowfall Trends","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-01-21","source_url":"https://www.climatecentral.org/climate-matters/2026-warming-winter-olympics","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document details the impact of rising temperatures on winter sports, noting that all cities hosting the Winter Olympics since 1950 have warmed. It highlights that the 2026 host cities, Milan and Cortina d'Ampezzo, have seen significant temperature increases and a decrease in freezing days. Projections indicate a sharp decline in climate-reliable host sites by the 2050s, particularly for the Paralympic Games held in March.","ai_generated":true,"unit":"climcent-000004#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"All cities that have hosted the Winter Olympics since 1950 have experienced warming, with an average increase of 4.8°F (2.7°C).","ai_generated":true,"unit":"climcent-000004#insight-1","date_modified":"2026-10-23"},{"text":"In Cortina d’Ampezzo, February temperatures have risen by 6.4°F (3.6°C) over the 70 years since it first hosted the Games in 1956, leading to a 19% reduction in annual freezing days (a drop from 214 days in 1956-1965 to 173 days in 2016-2025).","ai_generated":true,"unit":"climcent-000004#insight-2","date_modified":"2026-10-23"},{"text":"The number of climate-reliable host locations for the Winter Olympics is projected to drop from 87 (94%) currently to 52 (56%) by the 2050s under a mid-range warming scenario (RCP4.5 and SSP2-4.5).","ai_generated":true,"unit":"climcent-000004#insight-3","date_modified":"2026-10-23"},{"text":"The Winter Paralympic Games face higher risks due to their March schedule; only 22 of 93 potential host cities are projected to be reliable by the 2050s, and this number could drop to four by the 2080s in a high-emissions scenario.","ai_generated":true,"unit":"climcent-000004#insight-4","date_modified":"2026-10-23"},{"text":"Climate change is impacting specific sports: the average U.S. ski season has shortened by up to a week compared to 1960–1979, and the 2026 Olympics will require over 3 million cubic yards of artificial snow.","ai_generated":true,"unit":"climcent-000004#insight-5","date_modified":"2026-10-23"}],"climate_tags":["climate change","carbon dioxide emissions"],"geography_discussed":["United States","Utah"],"frame_perspective":[],"analysis_type":["trend analysis","climate projection"]},{"id":"climcent-000212","url":"https://climateinsightsdirectory.org/document/climcent-000212","title":"Five Things to Know About Earths Hottest Year","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"fact sheet","language":"en","date_published":"2026-01-14","source_url":"https://www.climatecentral.org/climate-matters/2025-in-review-global-temperatures","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"2025 was Earth's third-warmest year on record, with average temperatures 1.3°C above pre-industrial levels. This continues a heat streak driven by fossil fuel pollution, pushing the planet toward the 1.5°C long-term warming limit, which could be exceeded by 2030. While global electricity demand is increasingly met by renewables, the U.S. has recently rolled back clean energy policies and withdrawn from key international climate agreements.","ai_generated":true,"unit":"climcent-000212#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"In 2025, global average temperatures reached 1.3°C (2.4°F) above pre-industrial levels (1850-1900), making it the third-warmest year since records began in 1850. This occurred despite the cooling effects of La Niña conditions that emerged in September.","ai_generated":true,"unit":"climcent-000212#insight-1","date_modified":"2026-10-23"},{"text":"The current global heat streak is primarily caused by human-produced pollution from burning coal, oil, and gas for industry, transportation, and energy. Atmospheric CO2 levels have reached heights not seen in at least 800,000 years, contributing to warming rates unseen in at least 2,000 years.","ai_generated":true,"unit":"climcent-000212#insight-2","date_modified":"2026-10-23"},{"text":"The planet is approaching the Paris Agreement's aspirational long-term warming limit of 1.5°C. While a single-year breach occurred in 2024, the five-year average currently stands at 1.25°C above pre-industrial levels, with the long-term limit potentially exceeded around 2030.","ai_generated":true,"unit":"climcent-000212#insight-3","date_modified":"2026-10-23"},{"text":"Global energy transitions are progressing, with renewable energy such as wind and solar meeting 70% of the increase in electricity demand in 2024. However, as of January 2026, the U.S. has withdrawn from the Paris Agreement, the Intergovernmental Panel on Climate Change, and the United Nations Framework Convention on Climate Change, while rolling back 2021-2022 clean energy policies.","ai_generated":true,"unit":"climcent-000212#insight-4","date_modified":"2026-10-23"}],"climate_tags":["fossil fuel","greenhouse gas emissions","carbon dioxide","Paris Agreement","renewable energy","wind power","solar energy","extreme weather event","energy transition","United Nations Framework Convention on Climate Change"],"geography_discussed":["United States"],"frame_perspective":[],"analysis_type":["trend analysis","policy assessment"]}]}