A new study evaluates the performance of kilometer-scale models in predicting large tropical storms, which are key drivers of extreme rainfall and severe weather.
extreme weather
Posted inNews
Large Outdoor Gatherings Expose Event-Goers to Severe Weather
Researchers pinpointed the riskiest events in terms of lightning and tornado exposure by mining data from more than 16,000 large outdoor gatherings.
Posted inResearch & Developments
Weather Alert Translations on Hold Until Further Notice
This month, the National Weather Service (NWS) announced that, until further notice, it will no longer be offering automated translation services for its severe weather alerts. These alerts warn U.S. residents about imminent dangers including thunderstorms, tropical cyclones, flooding, and extreme heat.
Posted inNews
U.S. Power Grids are Vulnerable to Extreme Weather
Different kinds of severe weather, including multiple kinds at once, have different impacts on the grid in different places.
Posted inNews
CT Scans Show How Giant Hailstones Grow
Dental office technology is giving scientists a peek inside giant hailstones.
Posted inNews
A New Tornado Database Helps Researchers Worldwide
Thanks to unique geography and atmospheric conditions, the United States is a tornado hot spot, but these deadly whirlwinds also hit Africa, Asia, and Latin America.
Posted inNews
Climate Change Amplified the Effects of Extreme Rainfall in Nepal
A new study indicates that rapid urbanization and deforestation also contributed to devastation caused by floods and landslides in 2024.
Posted inNews
California Storms Recharged Watersheds, Geodesy Data Reveal
The atmospheric rivers that soaked the state in early 2023 released enough water to warp the ground and douse a deep drought.
Posted inResearch Spotlights
Dry Heat, Wet Heat, and Wetland Methane Emissions
Compound weather events—such as extreme cold or heat combined with severe dryness or precipitation—have a greater effect on wetland methane emissions than discrete weather extremes do.
Posted inResearch Spotlights
Helping the Most Vulnerable Stay Cool in Extreme Heat
Choosing the ideal location for air-conditioned cooling centers in cities facing dangerously high temperatures takes good population data and community engagement.