{"query_echo":{"q":"","filters":{"analysis_type":["historical data analysis"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'historical data analysis' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":3,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=historical+data+analysis","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":"ucs-000943","url":"https://climateinsightsdirectory.org/document/ucs-000943","title":"Power After the Storm","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2026-01","source_url":"https://www.ucs.org/sites/default/files/2026-02/Power-After-the-Storm.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report analyzes power outage data from 2014 to 2024 in the central United States, specifically the MISO+ region, finding that all of the 100 worst outage days were caused by extreme weather. It highlights that the 10 most severe events occurred after 2020 and were often compound disasters, such as hurricanes combined with flooding or winter storms with tornadoes. The document argues that climate change is intensifying these risks—increasing the frequency of derechos, the rainfall of hurricanes, and the potential for severe winter outbreaks—while disproportionately impacting socially vulnerable communities. It recommends that utilities, states, and regional operators implement comprehensive climate risk assessments, accelerate the clean energy transition, and engage in meaningful community partnership to build a resilient grid.","ai_generated":true,"unit":"ucs-000943#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Every one of the 100 worst power outage days in the central United States between 2014 and 2024, based on the maximum number of customers affected, was caused by a large-scale extreme weather event.","ai_generated":true,"unit":"ucs-000943#insight-1","date_modified":"2026-10-23"},{"text":"The most severe power outages are typically the result of compounding disasters rather than single weather events, such as a hurricane occurring alongside coastal and inland flooding or a winter storm paired with a tornado outbreak.","ai_generated":true,"unit":"ucs-000943#insight-2","date_modified":"2026-10-23"},{"text":"There is a recent escalation in grid failure severity, with all of the 10 largest power outage events in the MISO+ region occurring since 2020.","ai_generated":true,"unit":"ucs-000943#insight-3","date_modified":"2026-10-23"},{"text":"Climate change is projected to increase severe thunderstorm activity, including derechos and hail-producing storms, particularly in regions east of the Mississippi River and south from Arkansas by the end of the century.","ai_generated":true,"unit":"ucs-000943#insight-4","date_modified":"2026-10-23"},{"text":"While the total number of hurricanes may be uncertain, those that make landfall in the U.S. are intensifying more rapidly and carrying more extreme precipitation due to human-caused climate change.","ai_generated":true,"unit":"ucs-000943#insight-5","date_modified":"2026-10-23"},{"text":"Winter storm patterns are shifting; while the overall cold season is shrinking and snowfall may decrease in some areas, storms that do occur may be more intense, and Arctic warming may bring severe cold to regions not typically accustomed to it.","ai_generated":true,"unit":"ucs-000943#insight-6","date_modified":"2026-10-23"},{"text":"Power outages exacerbate existing social inequities, as lower-income residents in mobile homes or apartments often face greater damage and longer wait times for power restoration.","ai_generated":true,"unit":"ucs-000943#insight-7","date_modified":"2026-10-23"},{"text":"Current grid resilience planning in the MISO+ region is largely inadequate and piecemeal, with only Michigan, Texas, and the city of New Orleans requiring utilities to file specific resilience plans as of January 2025.","ai_generated":true,"unit":"ucs-000943#insight-8","date_modified":"2026-10-23"},{"text":"Winter Storm Uri in February 2021 demonstrated the critical need for an interconnected bulk transmission system to allow regions to import power from less-affected areas, a capability that was lacking in the isolated Texas grid.","ai_generated":true,"unit":"ucs-000943#insight-9","date_modified":"2026-10-23"}],"climate_tags":["Resilience (power system)","extreme weather event","climate change","energy justice","electric power transmission","hurricane","energy transition","Climate risk assessment","decarbonization"],"geography_discussed":["Texas","Louisiana","Michigan","Iowa","New Orleans","Mississippi","Minnesota"],"frame_perspective":[],"analysis_type":["historical data analysis","climate projection review","policy recommendation"]},{"id":"ucs-000903","url":"https://climateinsightsdirectory.org/document/ucs-000903","title":"Request for Information Regarding Maine Offshore Wind Renewable Energy and Economic Development Program","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"statement","language":"en","date_published":"2024-05-30","source_url":"https://ucs-documents.s3.amazonaws.com/clean-energy/Offshore-Wind-Reliability-Analysis-Muller-UCS.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The Union of Concerned Scientists (UCS) recommends that Maine's offshore wind procurement process prioritize larger nameplate capacities to maximize grid reliability. Based on an analysis of winter seasons from 2000 to 2022, UCS found that offshore wind fleets of 1500 MW, 4000 MW, and 8000 MW could substantially reduce the number of days the New England grid faces elevated energy shortfall risk. The document argues that offshore wind is an ideal solution for winter reliability because its output typically increases during cold snaps, unlike fossil fuel supplies which are subject to global market volatility and import constraints.","ai_generated":true,"unit":"ucs-000903#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Analysis of 22 past winter seasons (2000-2022) shows that offshore wind fleets can drastically reduce the average number of days with elevated energy shortfall risk (demand above 350,000 MWh) from 60 days per season to 35 days with 1500 MW, 11 days with 4000 MW, and just two days with 8000 MW.","ai_generated":true,"unit":"ucs-000903#insight-1","date_modified":"2026-10-23"},{"text":"Offshore wind is characterized as an effective mitigation tool for winter energy shortfalls because its energy supply increases during winter and typically operates at above-average output during extreme cold, providing a stably priced, locally controlled resource.","ai_generated":true,"unit":"ucs-000903#insight-2","date_modified":"2026-10-23"},{"text":"Current mechanisms to ensure winter fuel security in New England, such as the Mystic Cost of Service Agreement and the Inventoried Energy Program, are expensive for ratepayers and vulnerable to global disruptions, having cost approximately $830 million over three winter seasons (2022-2025).","ai_generated":true,"unit":"ucs-000903#insight-3","date_modified":"2026-10-23"},{"text":"The deployment of offshore wind could eliminate the need for expensive and polluting oil-fired plants, specifically citing the 822 MW Wyman Station in Yarmouth, Maine, which is the state's largest power plant.","ai_generated":true,"unit":"ucs-000903#insight-4","date_modified":"2026-10-23"},{"text":"UCS recommends that the Maine Governor’s Energy Office (GEO) and the Public Utilities Commission (PUC) include reliability benefits and the avoided costs of alternative cold-weather energy supplies in their cost-benefit evaluations of offshore wind bids.","ai_generated":true,"unit":"ucs-000903#insight-5","date_modified":"2026-10-23"},{"text":"The risk of winter energy shortfalls is expected to increase in the coming decades due to the electrification of heating and transportation, which will drive higher overall power demand during winter.","ai_generated":true,"unit":"ucs-000903#insight-6","date_modified":"2026-10-23"}],"climate_tags":["offshore wind power","Grid balancing","power purchase agreement"],"geography_discussed":["Yarmouth","Massachusetts"],"frame_perspective":[],"analysis_type":["historical data analysis","policy recommendation","reliability assessment"]},{"id":"climcent-000087","url":"https://climateinsightsdirectory.org/document/climcent-000087","title":"Superbowl XLVIII & Groundhog Day","publisher":{"name":"Climate Central","organization":"climate-central"},"document_type":"briefing","language":"en","date_published":"2014-01-29","source_url":"https://www.climatecentral.org/climate-matters/superbowl-xlviii-groundhog-day","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The briefing compares the climate of East Rutherford, New Jersey, with other NFL cities, noting that while it is a cold-weather venue for Super Bowl XLVIII, it is not the coldest in the league. It highlights historical Super Bowl temperature extremes and records the highest one-day snowfall in NFL cities, specifically noting Foxborough, MA. Additionally, it cites MIT research indicating that temperatures below 50°F negatively impact field goal accuracy more than wind or precipitation.","ai_generated":true,"unit":"climcent-000087#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Green Bay's Lambeau Field is the coldest stadium in the NFL, with an average high temperature of 25.6°F during the first week of February.","ai_generated":true,"unit":"climcent-000087#insight-1","date_modified":"2026-10-23"},{"text":"The coldest Super Bowl on record was Super Bowl VI in 1972 at New Orleans' Tulane Stadium, which had a high of 43°F and an overnight low of 24°F.","ai_generated":true,"unit":"climcent-000087#insight-2","date_modified":"2026-10-23"},{"text":"The highest one-day snowfall recorded at a station closest to an NFL stadium during the first week of February was 29.3 inches in 1978 in Foxborough, MA.","ai_generated":true,"unit":"climcent-000087#insight-3","date_modified":"2026-10-23"},{"text":"An MIT analysis suggests that field goal accuracy decreases when temperatures drop below 50°F, and this temperature effect is more significant than the impact of wind or precipitation.","ai_generated":true,"unit":"climcent-000087#insight-4","date_modified":"2026-10-23"}],"climate_tags":["temperature","climate data"],"geography_discussed":["Green Bay","New Orleans","Los Angeles","San Diego","Buffalo","Foxborough","Philadelphia","Baltimore"],"frame_perspective":[],"analysis_type":["historical data analysis"]}]}