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Mesoscale Discussion 474
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   MESOSCALE DISCUSSION 0474
   NWS STORM PREDICTION CENTER NORMAN OK
   0710 PM CDT SUN APR 26 2015

   AREAS AFFECTED...TX PANHANDLE...NORTHWEST TEXAS AND SOUTHWESTERN
   OKLAHOMA

   CONCERNING...TORNADO WATCH 119...

   VALID 270010Z - 270115Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 119 CONTINUES.

   SUMMARY...PORTIONS OF TORNADO WATCH 119...MAINLY FROM NEAR
   ABILENE/MINERAL WELLS SOUTHWARD...MAY NEED TO BE REPLACED WITH A NEW
   WW BY 01Z.  OTHERWISE...THERE REMAINDER OF TORNADO WATCH 119...AS
   WELL AS SEVERE THUNDERSTORM WATCH 120 MAY NOT NEED NEW WATCH
   ISSUANCES AT THE CURRENTLY SCHEDULED 01Z EXPIRATION.

   DISCUSSION...STRONGEST 2 HOUR SURFACE PRESSURE FALLS HAVE BECOME
   FOCUSED WEST OF THE DALLAS/FORT WORTH METROPLEX...AND MAY PROVIDE
   THE FOCUS FOR THE MORE SUBSTANTIVE CONVECTIVE DEVELOPMENT DURING THE
   NEXT COUPLE OF HOURS.  TO THE NORTHWEST OF THIS AREA...LARGE-SCALE
   FORCING BENEATH DIFLUENT /AND LIKELY DIVERGENT/ UPPER FLOW TO THE
   NORTHEAST OF THE SOUTHERN ROCKIES CLOSED LOW APPEARS TO BE
   CONTRIBUTING TO SUFFICIENT CONVECTIVE OVERTURNING TO BEGIN REDUCING
   THE OVERALL SEVERE WEATHER POTENTIAL.  THE RISK FOR SEVERE HAIL MAY
   PERSIST IN INCREASINGLY FEWER STRONGER STORMS ANOTHER COUPLE OF
   HOURS ACROSS THE EASTERN TEXAS PANHANDLE...ADJACENT NORTHWEST TEXAS
   AND SOUTHERN OKLAHOMA.  BUT...ANOTHER WATCH ACROSS THESE AREAS MAY
   NOT BE NEEDED.

   ..KERR.. 04/27/2015


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

   LAT...LON   33089981 33550046 34810126 35710169 35850114 35159863
               34609811 33689810 33099854 33089983 33089981 

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Page last modified: April 27, 2015
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