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Severe Thunderstorm Watch 201
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WW0201 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
Very Low Very 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.

   Severe Thunderstorm Watch Number 201
   NWS Storm Prediction Center Norman OK
   455 AM CDT Fri May 22 2020

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Central and eastern Oklahoma

   * Effective this Friday morning from 455 AM until NOON CDT.

   * Primary threats include...
     Scattered damaging winds likely with isolated significant gusts
       to 80 mph possible
     A tornado or two possible

   SUMMARY...This watch adjoins the extended portion of watch 200.  An
   MCS, with a well-developed cold pool and theta-e/pressure
   perturbation, will move east-southeastward on either side of an
   instability gradient accompanying a warm-frontal zone.  Multiple
   Oklahoma Mesonet stations have measured severe winds with this
   complex in the last 1-2 hours.  Sporadic gusts above severe limits
   remain possible as this complex forward-propagates into eastern

   The severe thunderstorm watch area is approximately along and 70
   statute miles either side of a line from 20 miles west northwest of
   Chandler OK to 50 miles southeast of Muskogee OK. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU1).


   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



   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1 inch. Extreme turbulence and surface wind gusts to 70 knots. A few
   cumulonimbi with maximum tops to 550. Mean storm motion vector

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Page last modified: May 22, 2020
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