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3 days ago · Scattered severe thunderstorms capable of very large hail to 3 inch diameter, damaging wind gusts to 65 mph, and a couple of tornadoes will be possible across parts of the Upper Midwest today. The probable time frame for the most intense storms should be centered on late afternoon to early evening. For additional details, see the latest Day 1 ...
Note: A severe weather area depicted in the Day 4-8 period indicates a 15%, 30% or higher probability for severe thunderstorms (e.g. a 15%, 30% chance that a severe thunderstorm will occur within 25 miles of any point).
May 25, 2024 · This is today's forecast for organized severe thunderstorms over the contiguous United States. Please read the description of the risk categories for further information. You may find the latest Day 1 Outlook available as well as all Outlooks issued today online.
Custom plots of Local Storm Reports across the Contiguous United States. Reports include rain, snow, ice, and severe weather, as well as other significant information from storm spotters.
NOAA’s National Severe Storms Laboratory serves the nation by working to improve the leadtime and accuracy of severe weather warnings and forecasts in order to save lives and reduce property damage.
Apr 11, 2016 · Days before storms form, the NOAA/NWS Storm Prediction Center in Norman, Oklahoma, provides timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States. The SPC also issues forecasts for hazardous winter and fire weather.
Jun 28, 2023 · *These probability values were estimated from a 30-year period of severe weather reports from 1982-2011. The procedure to create the maps is as follows: 1. Reports for each day are put onto a grid 80 km x 80 km. 2.
