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Mesoscale Discussion 553
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   MESOSCALE DISCUSSION 0553
   NWS STORM PREDICTION CENTER NORMAN OK
   0613 PM CDT FRI MAY 08 2015

   AREAS AFFECTED...TX SOUTH PLAINS/BIG COUNTRY/TRANSPECOS
   REGION/CONCHO VALLEY AREAS

   CONCERNING...TORNADO WATCH 145...

   VALID 082313Z - 090115Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 145 CONTINUES.

   SUMMARY...ISOLATED SEVERE/TORNADO RISK CONTINUES ACROSS THE WW AREA.

   DISCUSSION...LATEST RADAR LOOP SHOWS A SMALL CLUSTER OF
   SEVERE/SUPERCELL STORMS FAR NERN PORTIONS OF THE WW -- I.E. THE
   HASKELL CO VICINITY.  ELSEWHERE...THE EARLIER SEVERE STORM THAT
   CROSSED THE UPTON/REAGAN/GLASSCOCK CO AREAS HAS DISSIPATED.

   WITH THAT SAID...A NEW CELL APPEARS TO BE DEVELOPING NEAR THE
   DAWSON/BORDEN CO LINE ON A SWD-MOVING OUTFLOW ASSOCIATED WITH THE
   AFOREMENTIONED CLUSTER OF STORMS CROSSING HASKELL CO...AND OTHER
   UPDRAFTS ARE INITIATING ACROSS PECOS/UPTON/REAGAN COUNTIES NEAR THE
   DRYLINE.  THE DRYLINE TCU/CB INCREASE APPEARS TO BE TIED TO A
   SMALL/WEAK AREA OF LARGER-SCALE ASCENT HINTED AT WITHIN WV IMAGERY
   MOVING ACROSS FAR W TX/THE DAVIS MOUNTAINS ATTM...AND SPREADING
   GRADUALLY TOP THE DRYLINE.  GIVEN MODERATE INSTABILITY IN PLACE AND
   AREA VWPS CONTINUING TO DEPICT SHEAR PROFILES QUITE FAVORABLE FOR
   UPDRAFT ROTATION...SEVERE/ISOLATED TORNADO RISK REMAINS EVIDENT FOR
   ANY STORM WHICH CAN BECOME SUSTAINED ACROSS THIS AREA OVER THE NEXT
   COUPLE OF HOURS.

   ..GOSS.. 05/08/2015


   ATTN...WFO...FWD...OUN...EWX...SJT...LUB...MAF...

   LAT...LON   29860325 32110242 33320221 33749867 29890031 29860325 

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Page last modified: May 09, 2015
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