Breadcrumb Home News Extreme downpours could increase fivefold across parts of the U.S. Dec 5, 2016 At century's end, the number of summertime storms that produce extreme downpours could increase by more than 400 percent across parts of the United States. See the Article Recent News NSF NCAR technologies keep travelers on the moveDec 22, 2025 RAL Welcomes New Program Directors to Lead Key Research AreasDec 22, 2025 Congratulations to Kimberly Fewless: UCAR’s next President’s Leadership FellowJan 28, 2026 Just Released! FastEddy® 4.0Oct 27, 2025 NSF NCAR and UCAR researchers win prestigious AMS, AGU honorsDec 22, 2025 Spotlight on Extreme HeatJan 28, 2026 Satellite observations provide insight into post-wildfire forest recoverySep 17, 2025 Steering clear of turbulenceSep 17, 2025 Let it snow . . . indoorsSep 17, 2025