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Mesoscale Discussion 851
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   MESOSCALE DISCUSSION 0851
   NWS STORM PREDICTION CENTER NORMAN OK
   0547 AM CDT FRI JUN 06 2014

   AREAS AFFECTED...NRN TX PANHANDLE...OK PANHANDLE...WRN/CNTRL OK

   CONCERNING...SEVERE THUNDERSTORM WATCH 237...

   VALID 061047Z - 061215Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 237
   CONTINUES.

   SUMMARY...TSTM ACTIVITY CONTINUES ACROSS WRN OK WITH NEWLY DEVELOPED
   STORMS ALONG THE BORDER OF THE TX/OK PANHANDLES. SVR HAIL REMAINS
   POSSIBLE WITH THESE STORMS.

   DISCUSSION...CONTINUED WAA OVER BOUNDARIES LEFT IN THE WAKE OF EARLY
   CONVECTION ACROSS THE TX PANHANDLE HAS LED TO A NEWLY DEVELOPED LINE
   OF TSTMS EXTENDING ALONG THE BORDER OF TX/OK PANHANDLES. THIS
   ELEVATED ACTIVITY HAS DEVELOPED IN AN ENVIRONMENT CHARACTERIZED BY
   STEEP MID-LEVEL LAPSE RATES...100 MB MEAN MIXING-RATIO AROUND 13 G
   PER KG...AND EFFECTIVE BULK SHEAR GREATER THAN 40 KT. THIS TYPE OF
   ENVIRONMENT WILL SUPPORT STRONG UPDRAFTS WITH THE POTENTIAL FOR SVR
   HAIL AND...PER COORDINATION WITH WFO AMA...WATCH 237 WILL BE
   EXTENDED NWD TO COVER THE THREAT. RADAR TRENDS INDICATE THE STORMS
   MAY HAVE ALREADY REACHED PEAK INTENSITY AND DURATION OF THE THREAT
   IS EXPECTED TO LAST FOR THE NEXT HOUR OR TWO.

   TSTM ACTIVITY ACROSS WRN/CNTRL OK CONTINUES TO SHOW A TENDENCY
   TOWARDS LINE SEGMENTS BUT STRUGGLES TO ORGANIZE SUFFICIENTLY FOR A
   SIGNIFICANT WIND THREAT. THERMODYNAMIC AND KINEMATIC ENVIRONMENT
   REMAINS FAVORABLE FOR OCCASIONAL SVR HAIL. STORMS WILL LIKELY
   CONTINUE SEWD WHILE GROWING UPSCALE...POTENTIALLY ORGANIZING INTO A
   STRONG MCS.

   ..MOSIER.. 06/06/2014


   ATTN...WFO...OUN...LUB...AMA...

   LAT...LON   36170303 36910189 36789934 35629768 34529796 34399823
               34319908 35320258 36170303 

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Page last modified: June 06, 2014
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