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The SPC received 3 reports of tornadoes from Oklahoma during the early morning hours of April 26. April 26. On April 24, a widespread slight risk (level 2) area was issued by the Storm Prediction Center for April 26.
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.
As of the start of May 14, there have been more than 6,707 preliminary reports of severe weather including 784 reports of tornadoes, according to the Storm Prediction Center (SPC). While the ...
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.
• More than 200 storm reports: There were 244 storm reports Monday, including 17 tornado reports, according to the Storm Prediction Center. Hail the size of softballs slammed down in Kansas ...
The total number of storm reports listed by the SPC Monday ranked as the second-highest day so far this year, falling only behind March 31 when the tally was 704 severe weather reports.
History The Storm Prediction Center began in 1952 as SELS (Se vere L ocal S torms Unit), the U.S. Weather Bureau in Washington, D.C. In 1954, the unit moved its forecast operations to Kansas City, Missouri. SELS began issuing convective outlooks for predicted thunderstorm activity in 1955, and began issuing radar summaries in three-hour intervals in 1960; with the increased duties of compiling ...
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.