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Mesoscale Discussion 1127
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   MESOSCALE DISCUSSION 1127
   NWS STORM PREDICTION CENTER NORMAN OK
   0223 AM CDT MON JUN 23 2014

   AREAS AFFECTED...SRN TX PANHANDLE INTO TX SOUTH PLAINS AND NORTHWEST
   TX...AND WRN TO PARTS OF CENTRAL OK

   CONCERNING...SEVERE THUNDERSTORM WATCH 349...350...

   VALID 230723Z - 230900Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   349...350...CONTINUES.

   SUMMARY...STRONG WIND GUSTS WILL REMAIN THE PRIMARY SEVERE WEATHER
   THREAT ACROSS THE TX SOUTH PLAINS...NORTHWEST TX AND SOUTHWEST OK
   DURING THE NEXT FEW HOURS /THROUGH 08-10Z/.  A NEW WW SOUTH OF WW
   350 DOES NOT APPEAR LIKELY AT THIS TIME...AS RELATIVE OVERNIGHT
   COOLING OF SURFACE TEMPERATURES WILL FURTHER INCREASE INHIBITION PER
   MODIFIED 00Z MAF SOUNDING.

   DISCUSSION...EVOLUTION OF EARLY OVERNIGHT IR SATELLITE AND MOSAIC
   RADAR IMAGERY ACROSS THE SRN PLAINS SHOWED A FORWARD PROPAGATING MCS
   ACROSS THE SRN TX PANHANDLE AND WRN OK.  THIS SYSTEM IS MOVING
   SSEWD...AND WILL MOVE THROUGH THE TX SOUTH PLAINS...NORTHWEST
   TX...AND SWRN/PORTION OF CENTRAL OK.  TRENDS IN 7 KM AND 9 KM CAPPI
   AND GOES-R OVERSHOOTING TOP PRODUCT INDICATED THE MORE PERSISTENT
   UPDRAFTS SINCE AT LEAST 0530Z HAVE BEEN FROM THE SRN TX PANHANDLE
   INTO WRN OK...WITH FORWARD MOVEMENT OF THIS ACTIVITY AT 35-40 KT
   TOWARD THE SSE.  THIS TREND IS EXPECTED TO PERSIST THROUGH 08-09Z TO
   PERHAPS 10Z...GIVEN AN INFLUX OF MODERATE INSTABILITY ALONG A 30-35
   KT SSWLY LLJ IMPINGING ON THE LEADING EDGE/OUTFLOW BOUNDARY...
   SUPPORTING ADDITIONAL TSTM DEVELOPMENT SWD INTO WW 350. 

   FARTHER ENE...THE LINE OF STORMS MOVING INTO THE OKLAHOMA CITY METRO
   WAS TRACKING SEWD AT 30 KT...THOUGH RADAR IMAGERY HAD INDICATED AN
   INCREASE IN TSTM INTENSITY IN DEWEY/BLAINE COUNTIES OK BETWEEN
   0540-06Z AT THE INTERSECTION OF TWO OUTFLOW BOUNDARIES. LOCALLY
   STRONG WIND GUSTS REMAIN POSSIBLE ACROSS SWRN AND PORTIONS OF
   CENTRAL OK.

   ..PETERS.. 06/23/2014


   ATTN...WFO...FWD...OUN...SJT...LUB...

   LAT...LON   33630303 33870233 34440170 34590116 34580063 34749993
               35199973 35329902 35509850 35879832 36159806 36339772
               35989752 35409773 34469817 33539797 33389896 32969901
               32970117 32960301 33630303 

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Page last modified: June 23, 2014
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