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Mesoscale Discussion 319
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   MESOSCALE DISCUSSION 0319
   NWS STORM PREDICTION CENTER NORMAN OK
   0926 PM CDT THU MAR 31 2016

   AREAS AFFECTED...CNTRL MS

   CONCERNING...TORNADO WATCH 70...

   VALID 010226Z - 010300Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 70 CONTINUES.

   SUMMARY...A MARGINAL SEVERE HAIL RISK MAY PERSIST FOR A COUPLE MORE
   HOURS WITHIN REMAINING PORTIONS OF WW 70. AN ADDITIONAL WW ISSUANCE
   DOES NOT APPEAR NEEDED AFTER 03Z SCHEDULED EXPIRATION BUT A LOCAL
   EXTENSION IS POSSIBLE.

   DISCUSSION...LARGE-SCALE CONVECTIVE OUTFLOW IS DRAPED ACROSS CNTRL
   MS IN THE WAKE OF AN MCS THAT IS PREDOMINATELY WITHIN AL. ADDITIONAL
   STORMS HAVE PERSISTED ALONG THE MERGER OF THIS OUTFLOW AND
   CONVECTION AHEAD OF A SLOW-MOVING COLD FRONT. WHILE LOW-LEVEL WINDS
   ARE VEERED...DEEP-LAYER SPEED SHEAR REMAINS MODERATELY STRONG. WITH
   UPSTREAM 00Z RAOBS /LIX AND LCH/ SAMPLING 700-500 MB LAPSE RATES
   NEAR 8 DEG C/KM...THE RISK FOR MARGINALLY SEVERE HAIL MAY CONTINUE
   FOR AN HOUR OR SO BEYOND THE 03Z SCHEDULED WW EXPIRATION.

   ..GRAMS.. 04/01/2016


   ATTN...WFO...JAN...

   LAT...LON   32639070 32708979 32598862 32418850 32148856 32168901
               32189074 32259106 32399106 32639070 

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