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The high risk was issued at 0600Z update; it was removed at 2000Z outlook update due to concern over the extent of how favorable conditions would be for severe weather. However, the initiation of the most intense severe weather occurred after that time. Fourteen tornadoes were confirmed; one was rated F3.
Some of the deadliest severe weather and wildfire days in recent history did not have a high risk or extremely critical outlook issued. For example, the 2011 Joplin tornado, which killed 158 people occurred on a moderate risk day, as did the tornado outbreak of December 10–11, 2021, which killed 89 people.
Day 4–8 outlooks are the longest-term official SPC Forecast Product, and often change significantly from day to day. This extended forecast for severe weather was an experimental product until March 22, 2007, when the Storm Prediction Center incorporated it as an official product.
Severe storms and heavy rains are expected to affect parts of the South following weeks of inclement weather that killed over two dozen people across the region.
Find out the hourly and 10-day weather forecast for Boydton, VA, and stay updated on local and global weather events with AOL Weather.
9:01 p.m.: National Weather service reports tornado near Fort Branch, Indiana. At 8:55 p.m., a spotter reported a tornado near Fort Branch, Indiana, moving in the direction of Somerville and Mackey.
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.
The NWS’ severe weather outlook puts most of Kentucky, including Lexington, ... The NWS said forecasters will likely determine the chances of severe weather on a day-to-day basis.