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Mesoscale Discussion 663
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   MESOSCALE DISCUSSION 0663
   NWS STORM PREDICTION CENTER NORMAN OK
   0555 PM CDT THU MAY 22 2014

   AREAS AFFECTED...ERN NM...WRN TX/OK PANHANDLES...SERN CO...FAR SWRN
   KS

   CONCERNING...SEVERE THUNDERSTORM WATCH 173...

   VALID 222255Z - 230000Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 173
   CONTINUES.

   SUMMARY...AN ISOLATED THREAT FOR DMGG WIND GUSTS AND LARGE HAIL WILL
   PERSIST INTO THE EARLY EVENING AS TSTMS SLOWLY SPREAD EWD.

   DISCUSSION...WIDESPREAD CONVECTION FEATURING SEVERAL MULTICELL
   CLUSTERS PERSISTS FROM ERN NM NEWD INTO THE WRN TX/OK PANHANDLES AND
   SERN CO...WITH NEW PROPAGATION OCCURRING ALONG CONVECTIVE OUTFLOW
   BOUNDARIES GENERALLY SPREADING EWD. ISOLATED INSTANCES OF SVR WIND
   GUSTS HAVE BEEN OBSERVED WITHIN THE PAST COUPLE HRS...INCLUDING A 64
   MPH GUST IN CIMARRON COUNTY OK. FOCUS FOR NEW CONVECTION WILL LIKELY
   BE CENTERED OVER THE CNTRL TX PANHANDLE AS A WWD MOVING BOUNDARY
   FROM EARLIER CONVECTION INTERACTS WITH THE LEADING EDGE OF THE COLD
   POOL FROM WRN TX PANHANDLE CONVECTION. THE ENVIRONMENT HERE REMAINS
   FAVORABLE FOR ADDITIONAL OCCURRENCES OF SVR WIND GUSTS AND LARGE
   HAIL GIVEN SFC TEMPERATURES NEAR 80 F AMIDST LOW-MID 50S F DEW
   POINTS. THE TREND FOR A SLOW GENERAL EWD PROPAGATION OF CONVECTION
   SHOULD CONTINUE INTO THE LATE EVENING HRS...BUT THE LOSS OF DIURNAL
   HEATING SHOULD RESULT IN A DIMINISHING SVR THREAT...ESPECIALLY AFTER
   00Z.

   ..ROGERS.. 05/22/2014


   ATTN...WFO...DDC...AMA...PUB...ABQ...

   LAT...LON   36440099 35890117 35350152 35110212 34850272 34650336
               34220368 33730377 33290387 33080432 33300463 33800484
               34650475 35190464 35790406 35950343 36660333 37380364
               38020347 38160305 37980238 37310161 36440099 

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Page last modified: May 23, 2014
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