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The Storm Prediction Center issues daily outlooks denoting the risk for severe weather and wildfires for specific regions in the United States. For severe weather, which includes the risk for thunderstorms, tornadoes, hail, and straight-line winds, there are five risk levels indicating the probability for these hazards: marginal, slight, enhanced, moderate, and high.
Day 4–8 outlooks are the longest-term official SPC Forecast Product, and often change significantly from day to day. This extended forecast for severe weather was an experimental product until March 22, 2007, when the Storm Prediction Center incorporated it as an official product.
CNN Weather. The main threats with any storm Tuesday are forecast to be quite similar to Monday’s: damaging wind gusts, hail and possible tornadoes. Severe thunderstorms early next week may also ...
A widespread, deadly, and historic [3] tornado outbreak affected large portions of the Midwestern, Southern and Eastern United States on March 31 and April 1, 2023, the result of an extratropical cyclone that also produced blizzard conditions in the Upper Midwest. The Storm Prediction Center (SPC) issued a rare high risk for severe weather in ...
The severe weather threat began to focus along and ahead of an advancing cold front on Wednesday night. The threat of tornadoes, damaging wind gusts and hail will shift eastward along the ...
April 17, 2024 at 12:00 PM. A severe storm is heading toward Ohio this afternoon. The system will enter the western part of the state after lunch and won't leave eastern Ohio until sunset ...
The categorical forecast in the Day 1-3 Convective Outlooks—which estimates a severe weather event occurring within 25 miles (40 km) of a point and derives the attendant risk areas from probability forecasts of tornadoes, damaging winds, and large hail on Days 1 and 2, and a combined severe weather risk on Day 3—specifies the level of ...
Weather Prediction Center Excessive Rainfall Outlook for November 29, 2022 The threat level was upped to a level 4/moderate risk by the SPC on November 28. The main area of risk was shifted mainly to western Mississippi, extreme southeastern Arkansas, and northeastern Louisiana, where a 15% hatched risk for tornadoes was introduced, indicating ...