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Mesoscale Discussion 767
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   MESOSCALE DISCUSSION 0767
   NWS STORM PREDICTION CENTER NORMAN OK
   0235 PM CDT MON MAY 25 2015

   AREAS AFFECTED...SERN OK/SWRN AR/E TX

   CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY 

   VALID 251935Z - 252030Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...CONTINUED EWD ADVANCE OF A WELL-ORGANIZED MCS ACROSS
   CENTRAL TX AND MORE ISOLATED ROTATING STORMS EVOLVING AHEAD OF THE
   LINE WILL RESULT IN AN INCREASING RISK FOR DAMAGING WINDS AND
   ISOLATED TORNADOES ALONG WITH HAIL ACROSS THE MD AREA.  NEW TORNADO
   WATCH WILL BE REQUIRED WITHIN THE NEXT HOUR.

   DISCUSSION...LATEST RADAR LOOP SHOWS WIDESPREAD STRONG/SEVERE STORMS
   ACROSS CENTRAL TX -- INCLUDING A WELL-ORGANIZED BOWING MCS AND
   INCREASINGLY NUMEROUS SUPERCELLS AHEAD OF THE MAIN CONVECTIVE LINE. 
   THE STORMS ARE MOVING THROUGH A MOIST/MODERATELY UNSTABLE
   ENVIRONMENT...AND ARE BEING AIDED BY A MID-LEVEL JET STREAM CROSSING
   CENTRAL TX S OF A NWRN TX/SWRN OK VORT MAX.  WITH THE ENVIRONMENT E
   OF THE CONVECTION/E OF THE ONGOING TORNADO WATCHES SUPPORTIVE OF
   MAINTENANCE OF STORM INTENSITY...LIKELIHOOD FOR SEVERE STORMS TO
   PERSIST/SPREAD EWD ACROSS SERN OK AND ERN TX APPEARS HIGH.  AS
   SUCH...AREAS E OF THE EXISTING WATCHES -- I.E. ACROSS THE MD AREA --
   WILL REQUIRE NEW WW ISSUANCE IN THE NEXT HOUR.

   ..GOSS/MEAD.. 05/25/2015


   ATTN...WFO...LZK...SHV...TSA...HGX...FWD...OUN...EWX...

   LAT...LON   34699631 35179447 34539394 33009413 30739497 29329673
               29789749 31489623 34699631 

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Page last modified: May 25, 2015
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