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Mesoscale Discussion 1963
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   MESOSCALE DISCUSSION 1963
   NWS STORM PREDICTION CENTER NORMAN OK
   0435 AM CST TUE NOV 17 2015

   AREAS AFFECTED...ERN OK/WRN AR

   CONCERNING...SEVERE THUNDERSTORM WATCH 542...

   VALID 171035Z - 171230Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 542
   CONTINUES.

   SUMMARY...LINE OF STRONG/LOCALLY SEVERE STORMS CONTINUES MOVING EWD
   ACROSS SERN KS/ERN OK.

   DISCUSSION...LATEST RADAR LOOP SHOWS A FAIRLY WELL-ORGANIZED LINE OF
   STORMS CROSSING ERN OK AND ADJACENT SERN KS ATTM...WITH THE LINE
   MAINTAINING INTENSITY AND INCLUDING SEVERAL EMBEDDED BOWING
   STRUCTURES.  

   WHILE THE DOWNSTREAM AIRMASS INTO SWRN MO APPEARS MORE STABLE --
   SUGGESTING THAT DAMAGING WIND RISK WILL DECREASE WITH TIME ALONG NRN
   PORTIONS OF THE LINE...A MORE FAVORABLY MOIST/UNSTABLE ENVIRONMENT
   EXISTS WITH SWD EXTENT ACROSS AR.  AS SUCH...THE CONVECTIVE LINE
   APPEARS LIKELY TO MAINTAIN INTENSITY -- INCLUDING ASSOCIATED/LOCAL
   DAMAGING WIND RISK -- AS STORMS MOVE ACROSS ERN OK AND EVENTUALLY
   INTO WRN AR.  THIS COULD EVENTUALLY REQUIRE A NEW WW INTO WRN AR.

   ..GOSS.. 11/17/2015


   ATTN...WFO...LZK...SGF...SHV...TSA...FWD...OUN...

   LAT...LON   36729583 36829493 35929324 34069350 33789416 33819541
               34019641 36729583 

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