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Mesoscale Discussion 540
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   MESOSCALE DISCUSSION 0540
   NWS STORM PREDICTION CENTER NORMAN OK
   0849 PM CDT THU MAY 07 2015

   AREAS AFFECTED...SE OK...NCNTRL AND NE TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 141...

   VALID 080149Z - 080315Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 141
   CONTINUES.

   SUMMARY...A THREAT FOR WIND DAMAGE AND HAIL WILL LIKELY CONTINUE FOR
   SEVERAL MORE HOURS. A BRIEF TORNADO WILL ALSO BE POSSIBLE OVER THE
   NEXT HOUR OR TWO. A LOCAL EXTENSION MAY BE NEEDED TO THE EAST OF WW
   141.

   DISCUSSION...A NEARLY CONTINUOUS LINE OF STORMS HAS DEVELOPED FROM
   NEAR THE RED RIVER SWWD TO JUST SOUTH OF ABILENE. A MODERATELY
   UNSTABLE AIRMASS IS LOCATED AHEAD OF THE LINE WITH MESOANALYSIS DATA
   SHOWING MLCAPE APPROACHING 2000 J/KG. IN ADDITION...THE FORT WORTH
   WSR-88D VWP SHOWS VEERING WINDS WITH HEIGHT BELOW 3 KM AND 30 KT OF
   FLOW JUST ABOVE THE SFC. THIS WIND PROFILE WILL BE FAVORABLE FOR
   SEVERE STORMS AS A MCS CONTINUES TO ORGANIZE THIS EVENING. STORM
   MODE HAS TRANSITIONED FROM DISCRETE TO LINEAR OVER THE LAST COUPLE
   OF HOURS SUGGESTING THE WIND DAMAGE THREAT HAS INCREASED WITH THE
   LINE. AS THE LINE MOVES THROUGH THE DALLAS/FORT WORTH METRO AND
   THROUGH COMMUNITIES NWD TO THE RED RIVER...A WIND DAMAGE THREAT
   SHOULD EXIST ALONG THE LEADING EDGE OF THE LINE. THE GREATEST WIND
   DAMAGE POTENTIAL SHOULD BE ASSOCIATED WITH BOWING SEGMENTS EMBEDDED
   IN THE LINE. IN ADDITION TO THE WIND DAMAGE THREAT...HAIL AND A
   BRIEF TORNADO WILL ALSO BE POSSIBLE.

   ..BROYLES/HART.. 05/08/2015


   ATTN...WFO...SHV...TSA...FWD...OUN...SJT...

   LAT...LON   32249616 31879711 31769816 31879889 32239913 32579867
               33139790 34049665 34559630 34449536 32929554 32249616 

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Page last modified: May 08, 2015
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