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The Storm Prediction Center issues convective outlooks (AC), consisting of categorical and probabilistic forecasts describing the general threat of severe convective storms over the contiguous United States for the next six to 192 hours (Day 1 through Day 8). These outlooks are labeled and issued by day, and are issued up to five times per day ...
The issuance of a High Risk at the initial 06Z Day 1 Outlook notably followed a Day 2 Outlook for the same period that did not contain a Moderate Risk area, as both Day 2 outlooks issued the day before included only an enhanced Slight Risk. This is the last time such an event has occurred as of 2024.
The Weather Prediction Center (WPC), including its name from 1955–1995, the National Weather Analysis Center, and its name from 1995–2013, the Hydrometeorological Prediction Center (HPC) As a file created by an employee of the NWS (formerly USWB) in the course of their official duties, whether hosted
About Wikipedia; Contact us; Contribute Help; Learn to edit; Community portal; ... File:SPC's Day 1 convective outlook issued at 6-00 UTC on March 25, 2021.gif.
SPC day 1 convective outlook for April 1, 2024, at 20Z Photo by the National Weather Service of damage from the Tornado outbreak and derecho of April 1–3.. On March 28, the Storm Prediction Center (SPC) first delineated a risk of organized severe weather across the Central and Southern Plains, as well as the Mississippi and Ohio River valleys for the beginning of April. [5]
The Storm Prediction Center's Day 1 convective outlook for May 21, 2024, issued at 1300Z, indicating a moderate risk for severe weather over much of Iowa and nearby parts of Wisconsin, Illinois, Missouri, and southeastern Minnesota.
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This image is in the public domain because it was stored on the web servers of the U.S. Storm Prediction Center, which is part of National Weather Service.NWS-created images are automatically public domain in the U.S. since the NWS is a part of the U.S. government.