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Severe Thunderstorm Watch 403
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WW0403 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 403
   NWS Storm Prediction Center Norman OK
   315 PM EDT Thu Jul 29 2021

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Eastern Indiana
     Northeast Kentucky
     Southern Ohio
     Southwest Pennsylvania
     Northern West Virginia

   * Effective this Thursday afternoon and evening from 315 PM until
     1000 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph likely
     Isolated large hail events to 1.5 inches in diameter possible

   SUMMARY...Thunderstorms are developing along a weak front stretching
   across central Ohio into western Pennsylvania.  Those storms will
   spread southward this afternoon and early evening, posing a risk of
   damaging wind gusts and hail.

   The severe thunderstorm watch area is approximately along and 60
   statute miles north and south of a line from 50 miles west northwest
   of Cincinnati OH to 45 miles east of Latrobe PA. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU3).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A Severe Thunderstorm Watch means conditions are
   favorable for severe thunderstorms in and close to the watch area.
   Persons in these areas should be on the lookout for threatening
   weather conditions and listen for later statements and possible
   warnings. Severe thunderstorms can and occasionally do produce
   tornadoes.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 401...WW 402...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 500. Mean storm motion vector
   30030.

   ...Hart
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Page last modified: July 30, 2021
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