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Mesoscale Discussion 762
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   MESOSCALE DISCUSSION 0762
   NWS STORM PREDICTION CENTER NORMAN OK
   0550 AM CDT FRI MAY 27 2016

   AREAS AFFECTED...SERN TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 222...

   VALID 271050Z - 271115Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 222
   CONTINUES.

   SUMMARY...LOCALIZED STRONG TO PERHAPS LOW-END SEVERE GUSTS MAY
   ACCOMPANY A SQUALL LINE AS IT MOVES EWD TO THE SABINE RIVER EARLY
   THIS MORNING.  AN ADDITIONAL SEVERE THUNDERSTORM WATCH E OF THE
   CURRENT WATCH IS NOT ANTICIPATED.

   DISCUSSION...RADAR IMAGERY SHOWS A SQUALL LINE FROM THE UPPER
   PORTION OF GALVESTON BAY NNEWD TO 20 MI SE LFK.  GENERALLY WEAK WIND
   GUSTS ACCORDING TO INSTRUMENTED OBSERVING SITES HAVE BEEN NOTED WITH
   THE SQUALL LINE DURING THE PAST 1-2 HOURS.  NONETHELESS THE
   NEAR-STORM ENVIRONMENT IMMEDIATELY DOWNSTREAM OVER THE LOWER SABINE
   RIVER VALLEY REMAINS MARGINALLY SUPPORTIVE OF A STRONG GUST...OWING
   PRIMARILY TO WATER LOADING...DESPITE RELATIVELY POOR LOW-LEVEL LAPSE
   RATES.  THE SEVERE THUNDERSTORM WATCH WILL LIKELY BE ALLOWED TO
   EXPIRE AND CLEARED FROM THE WEST COINCIDENT WITH SQUALL LINE
   PASSAGE.

   ..SMITH.. 05/27/2016


   ATTN...WFO...LCH...SHV...HGX...

   LAT...LON   29649525 30169475 31109464 31189358 29769379 29649525 

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Page last modified: May 27, 2016
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