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Mesoscale Discussion 1237
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   MESOSCALE DISCUSSION 1237
   NWS STORM PREDICTION CENTER NORMAN OK
   1138 PM CDT MON JUN 30 2014

   AREAS AFFECTED...NE TX PANHANDLE...NW OK...SW KS

   CONCERNING...SEVERE THUNDERSTORM WATCH 377...

   VALID 010438Z - 010545Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 377
   CONTINUES.

   SUMMARY...THUNDERSTORMS WILL SPREAD SEWD OUT OF WW 377 IN THE NEXT
   HOUR.  HOWEVER...A LOCAL EXTENSION IN SPACE OR TIME MAY NOT BE
   NEEDED SINCE INSTABILITY WEAKENS QUICKLY TO THE SE...WHICH SUGGESTS
   THAT THE SEVERE THREAT WILL WANE.

   DISCUSSION...THE EARLIER FRONTAL CONVECTION AND SE CO CLUSTER HAVE
   NOW MOVED SEWD INTO THE NE TX PANHANDLE AND NW OK...WITH MEASURED
   SEVERE GUSTS OF 59 MPH AT GOODWELL...74 MPH AT SLAPOUT...AND 85 MPH
   AT BEAVER IN THE OK PANHANDLE IN THE PAST HOUR.  HOWEVER...RADAR 
   SUGGESTS THAT THE STORMS HAVE ALREADY PASSED PEAK INTENSITY...AND A
   DRIER LOW-LEVEL AIR MASS IN ADVANCE OF THE STORMS IS LIMITING
   BUOYANCY AND SHOULD RESULT IN ADDITIONAL WEAKENING OF THE STORMS AS
   THEY MOVE SEWD OUT OF THE WATCH AREA.  WHILE ISOLATED SEVERE GUSTS
   AND HAIL WILL BE POSSIBLE IN THE SHORT TERM...LOCAL EXTENSIONS OF
   THE WATCH IN SPACE/TIME MAY NOT BE NECESSARY...AND THE WATCH WILL
   LIKELY BE ALLOWED TO EXPIRE AS SCHEDULED AT 05Z.

   ..THOMPSON.. 07/01/2014


   ATTN...WFO...OUN...DDC...AMA...

   LAT...LON   35829990 35560075 35560135 35790140 36310008 36929952
               37279890 37409851 37189835 36579899 35829990 

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Page last modified: July 01, 2014
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