National Weather Service United States Department of Commerce

Overview

On the evening of Friday, December 10, 2021, a potent storm system moving across the central United States resulted in widespread severe weather across the region, including a significant long track tornadoes.  NWS storm surveys found a violent EF-4 tornado began in far northwest Tennessee, and moved across western Kentucky, resulting in significant destruction to portions of the region. Preliminary findings indicate high end EF4 damage in western Kentucky.  While the tornado was on the ground for 128 miles within WFO Paducah's forecast area, the total path length was 165.7 miles including the damage into Breckinridge County, KY within WFO Louisville's coverage area and the starting point in Obion County, TN within WFO Memphis's coverage area.  Another long-track EF-3 tornado with estimated peak winds of 160 mph started in Dyer County, TN, and traveled 122.7 miles through northwest Tennessee and into Christian and Todd Counties in western Kentucky. For a summary of all the tornadoes that occurred across our region, click here. 

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Environment

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Sig Tor Parameter at 6 PM 0-3 km SRH valid at 9 PM 300mb wind and height at 9 PM


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0-1km SRH at 9 PM Surface map valid at 9 PM Mixed-layer cape at 9 PM

 

 

Additional Information

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SPC Day 1 Outlook update issued at 10:18 AM  SPC Day 1 Tornado Probability issued at 10:18 AM SPC Day 1 Wind Probability issued at 10:18 AM SPC Day 1 Hail Probability issued at 10:18 AM

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Tornado Watch #1 issued at 3:06 PM Tornado Watch #2 issued at 6:20 PM Tornado Watch #3 issued at 11 PM