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The Storm Prediction Center began asking for public comment on proposed categorical additions to the Day 1-3 Convective Outlooks on April 21, 2014, for a two-month period. [24] The Storm Prediction Center broadened this system beginning on October 22, 2014 by adding two new risk categories to the three used originally.
An extremely critical fire weather event is the greatest threat level issued by the NWS Storm Prediction Center (SPC) for wildfire events in the United States. On the scale from one to three, an extremely critical is a level three; thus, these outlooks are issued only when forecasters at the SPC are confident of extremely dangerous wildfire ...
They are generally only issued on the day of the event. However, there have been two occurrences (April 7, 2006, and April 14, 2012) of a high risk being issued for Day 2 of the outlook period (with the event occurring the following day). Under the official protocol, a high risk cannot be issued for Day 3 of the outlook period. [2]
The Weather Prediction Center (WPC), located in College Park, Maryland, is one of nine service centers under the umbrella of the National Centers for Environmental Prediction (NCEP), a part of the National Weather Service (NWS), which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the U.S. Government.
The first day of the severe weather outbreak, March 24, was not well forecast. A marginal risk outlook for severe weather was originally issued Eastern Texas into the Lower Mississippi Valley on March 22, highlighting the isolated possibility for all severe hazards.
The main day of the outbreak was March 17. It was forecasted well in advance; on March 13, the Storm Prediction Center highlighted a large area of severe potential, including all of Mississippi. [7] By March 14, the entire state and the surrounding areas were contained within a 30% risk contour. [8]
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.
English: The Storm Prediction Center’s Day 2 Severe Weather Outlook for January 24, 2023. Date: 23 January 2023: ... File:January 24, 2023 SPC Day 2 Outlook.jpg.