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Mesoscale Discussion 667
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   MESOSCALE DISCUSSION 0667
   NWS STORM PREDICTION CENTER NORMAN OK
   0512 PM CDT SAT MAY 16 2015

   AREAS AFFECTED...PORTIONS OF WRN KS AND SWRN NEB

   CONCERNING...TORNADO WATCH 176...

   VALID 162212Z - 162345Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 176 CONTINUES.

   SUMMARY...MAINLY A DAMAGING WIND THREAT CONTINUES ACROSS WW 176 IN
   THE SHORT-TERM. AN ISOLATED TORNADO ALSO REMAINS POSSIBLE.

   DISCUSSION...CONVECTION FROM EARLIER TODAY THAT MOVED NEWD ACROSS
   THE TX/OK PANHANDLES INTO CNTRL KS HAS ACTED TO LIMIT THE AMOUNT OF
   LOW-LEVEL MOISTURE RETURN TO WRN KS AND SWRN NEB THIS AFTERNOON.
   MODIFYING THE 18Z SOUNDING FROM DODGE CITY KS WITH 22Z SFC
   OBSERVATIONS REVEALED THE EXTENT OF THIS THERMODYNAMIC
   LIMITATION...WITH MUCAPE ONLY AROUND 1000 J/KG. REGARDLESS...THIS
   MARGINAL BUOYANCY COMBINED WITH A VEERING/STRENGTHENING WIND PROFILE
   WITH HEIGHT SHOULD ALLOW AN ONGOING LINE OF CONVECTION ACROSS WRN KS
   TO CONTINUE TO POSE MAINLY A DAMAGING WIND THREAT IN THE SHORT-TERM.
   AS A LOW-LEVEL JET STRENGTHENS THIS EVENING ACROSS THE SRN/CNTRL
   PLAINS...ANY STORMS THAT CAN REMAIN DISCRETE...SUCH AS ONE MOVING
   NEWD FROM TEXAS COUNTY IN OK INTO SWRN KS...COULD POSE A THREAT FOR
   AN ISOLATED TORNADO/LARGE HAIL ACROSS THE MCD AREA.

   ..GLEASON.. 05/16/2015


   ATTN...WFO...GID...DDC...GLD...

   LAT...LON   40330118 40339893 37020000 37020203 40330118 

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Page last modified: May 16, 2015
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