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7. Tornado outbreak sequence of March 24–28, 2021 – This was day 2 of the outbreak sequence. The high risk was issued at 06Z for a 30% hatched area for tornadoes. A PDS tornado watch was issued, with a >95% chance for both tornadoes and strong tornadoes, and high probabilities for most other categories.
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.
Signs for a severe weather outbreak, the fourth one in four weeks, became evident the day before, on April 10. The Storm Prediction Center, on their Day 2 Convective Outlook, introduced a large slight risk area, covering northeastern Texas, southeastern Oklahoma, much of Arkansas, southern portions of Missouri, and extreme western Kentucky and ...
The Storm Prediction Center’s Severe Weather Outlook for March 24, 2023. On March 18, an upper-level trough was situated across the Western United States. [6] As time progressed, the trough began to progress to the east.
An intense low-pressure system produced widespread impacts across the United States in early March 2023. Additionally, an outbreak of 35 tornadoes affected 12 states from the Southern United States to the Great Lakes. In all, the storm system killed 13 people due to flooding and strong winds. At least 17 other people were injured.
SPC's Day 1 convective outlook for May 16, 2024, issued at 2000Z, indicating an enhanced risk for severe weather from southeast Texas into southwest Louisiana. On May 14, the Storm Prediction Center (SPC) outlined a level 2/Slight risk for severe weather across portions of central and northern Texas. [11]
Monday is the first time in over a year the Storm Prediction Center has issued a high risk warning for severe weather. The last time was March 31, 2023, when over 100 tornadoes were reported ...
A Day 2 convective outlook was also issued concerning a level 2/slight risk and a 5 percent tornado risk for portions of Florida, Georgia, South Carolina, and North Carolina. [25] A moderate risk of excessive rainfall was also issued by the Weather Prediction Center, for most of the same areas included in the Day 2 Convective outlook. [26]