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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.
Probabilities for tornadoes, hail and wind applying to the Day 1 Convective Outlook were incorporated into the Day 2 Convective Outlook on January 28, 2020, citing research to SPC operations and improvements in numerical forecast guidance that have increased forecaster confidence in risk estimation for those hazards in that timeframe.
Convective mesoscale discussions are issued by the National Oceanic and Atmospheric Administration’s Storm Prediction Center based on the National Weather Center in Norman, Oklahoma. [ 1 ] [ 2 ] One type of mesoscale discussion is a meso-gamma mesoscale discussion , which are for tornadoes believed to be at least EF2 on the Enhanced Fujita ...
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.
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.
Storm Prediction Center Extremely Critical Fire Weather Events – 2020–2025 [nb 1] Date Year Region Burned area Fatalities Outlook Notes June 7: 2020: Colorado, New Mexico [260] 2,083 [nb 2] 0: Wilson Crossing, Tadpole, and Bent's Fort fires [261] [262] [263] September 2: 2020: Montana [264] 100,000: 0: Huff, Bobcat, and Snider fires [265 ...
The Storm Prediction Center (SPC) issues Day 1, Day 2, and Day 3 Convective Outlooks depicting forecast areas of general (non-severe) and severe thunderstorm threats across the contiguous United States, along with a text narrative discussion consisting of a plain-language summary of the threat type(s) and timing focused on areas of highest risk ...
The Storm Prediction Center (SPC) first issued a slight risk across northeastern Arkansas into the Tennessee Valley area in their 1:00 a.m. CST (06:00 UTC) March 2 outlook. In their forecast, the SPC noted that an unstable atmosphere was likely to materialize ahead of an approaching cold front, but that this environment would likely be ...