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Mesoscale Discussion 268
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   MESOSCALE DISCUSSION 0268
   NWS STORM PREDICTION CENTER NORMAN OK
   1001 PM CDT THU APR 09 2015

   AREAS AFFECTED...PORTIONS OF NERN AR...WRN TN...NRN MS

   CONCERNING...SEVERE THUNDERSTORM WATCH 49...

   VALID 100301Z - 100500Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 49
   CONTINUES.

   SUMMARY...THE POTENTIAL FOR A FEW DAMAGING WIND GUSTS AND A BRIEF
   TORNADO...ESPECIALLY ACROSS NRN PORTIONS OF WW 49...WILL CONTINUE.

   DISCUSSION...A BROKEN LINE OF STRONG TO SEVERE THUNDERSTORMS
   CONTINUES TO PROGRESS EWD THROUGH AR...IN ADVANCE OF A COLD FRONT. A
   STRONGLY BOWING SEGMENT HAS RECENTLY DEVELOPED ACROSS INDEPENDENCE
   AND JACKSON COUNTIES...WITH A CLEAR MESOVORTEX AND ASSOCIATED
   REAR-INFLOW JET /WITH ELEVATED INBOUND VELOCITIES AROUND 60 KT/
   INDICATED ON KNQA. WHILE BOUNDARY LAYER INSTABILITY HAS LIKELY BEEN
   WANING...STRONG W/SWLY FLOW IN THE CONVECTIVE LAYER WILL SUPPORT A
   DAMAGING WIND POTENTIAL WITH ANY ORGANIZED BOWING SEGMENTS/MERGED
   COLD POOLS LATE THIS EVENING. FURTHERMORE...LOCAL VWPS SUGGEST
   ENOUGH SRH OFFERS THE POTENTIAL FOR A BRIEF TORNADO. AS SUCH...THE
   SEVERE WEATHER THREAT CONTINUES ACROSS WW 49.

   ..PICCA.. 04/10/2015


   ATTN...WFO...PAH...MEG...JAN...LZK...

   LAT...LON   36458810 35838803 33738888 33459036 33349126 33549165
               34829131 35859120 36229067 36458810 

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Page last modified: April 10, 2015
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