Read the full report: Running Out of Cool Days: How climate change is decreasing the odds of optimal marathon conditions Researchers have found there is a “sweet spot” for marathon temperatures where ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across the ...

Climate Central is an independent organization of leading scientists and journalists researching and reporting the facts about our changing climate and its impact on the public. Climate Central’s ...

Meteorological winter (December, January, February) is the fastest-warming season for most of the U.S. Locations across the Northeast and the Great Lakes region have seen some of the highest rates of ...

Hurricane Melissa reached Category 4 strength, with winds of 140 mph, between Oct. 25 and 26 after undergoing extreme rapid intensification — an increase of about 70 mph in just 24 hours. The storm ...

Click the downloadable graphic: Billion-Dollar Disasters January - June 2025 The future of this database of the most costly U.S. weather and climate disasters was uncertain after the National Oceanic ...

As of July 28, 2025, Climate Central now stewards the U.S. Billion-Dollar Weather and Climate Disasters dataset, continuing and expanding the foundational work established by NOAA’s National Centers ...

Use the interactive mapping tool below to better visualize the frequency and cost of billion-dollar weather and climate events. Select a desired combination of disaster types along with metric and ...