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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.
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
High risk convective outlook issued by the Storm Prediction center at 13:00 UTC on May 6 May 6. Starting April 30, the Storm Prediction Center noted that certain models, including the ECMWF, forecasted a multi-day period of high instability and supportive wind shear across the Southern and Central Plains, and by May 1, a 15% risk was added across Nebraska, Kansas, Oklahoma, and northern Texas.
Severe thunderstorms are forecast to roll through the Midwest and the upper Great Lakes on Tuesday, ... In Chicago, the highest severe weather risk will be from 7 p.m. to 1 a.m. local time.
Severe weather season is about to shift into high gear as a volatile weather pattern fuels repeated rounds of damaging thunderstorms and tornadoes across more than a dozen states through May ...
Wednesday's forecast for Erie from the weather service was calling for a high temperature in the mid-60s with a low tonight around 50 degrees. The chance of precipitation during the day was at 60% ...
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.
Scattered strong to severe storms are possible for most of Kentucky on Wednesday, according to the National Weather Service. The NWS’ severe weather outlook puts most of Kentucky, including ...