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Mesoscale Discussion 1330
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   MESOSCALE DISCUSSION 1330
   NWS STORM PREDICTION CENTER NORMAN OK
   0354 PM CDT WED JUL 09 2014

   AREAS AFFECTED...FAR SERN WY...NERN CO...SRN NEB PANHANDLE AND FAR
   SWRN NEB...AND FAR NWRN KS

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 092054Z - 092230Z

   PROBABILITY OF WATCH ISSUANCE...60 PERCENT

   SUMMARY...WW MAY BE NEEDED LATE THIS AFTERNOON INTO THE EVENING AS
   STORMS CONTINUE TO DEVELOP AND SPREAD SEWD ACROSS THE DISCUSSION
   AREA IN THE CENTRAL HIGH PLAINS.  HAIL AND STRONG WIND GUSTS WILL BE
   THE PRIMARY THREATS.  CONVECTIVE TRENDS WILL BE MONITORED WITH WW
   ISSUANCE POSSIBLE.

   DISCUSSION...TIME LAPSES OF MOSAIC RADAR IMAGERY...SATELLITE IMAGERY
   /GOES-R CLOUD TOP COOLING PRODUCT/ AND LIGHTNING DATA SHOWED TSTMS
   CONTINUING TO DEVELOP OVER FAR SERN WY SSEWD ALONG THE FRONT RANGE
   TO THE DENVER METRO AREA.  THE AIR MASS IN VICINITY OF THE STORM
   DEVELOPMENT AND E/SEWD ACROSS THE HIGH PLAINS INTO WRN NEB...FAR ERN
   CO AND WRN KS HAS BECOME MODERATELY UNSTABLE THIS AFTERNOON /MLCAPE
   1000-2000 J PER KG/.  SOME INCREASE IN SSELY LOW-LEVEL WINDS BENEATH
   NWLY FLOW ALOFT /30-40 KT WINDS AT 500 MB/ IS RESULTING IN EFFECTIVE
   BULK SHEAR OF 40-45 KT.  THESE FACTORS WILL SUPPORT ORGANIZED
   STORMS...WITH NWLY FLOW ALOFT ALLOWING STORMS TO MOVE OFF THE HIGHER
   TERRAIN...BECOMING STRONG TO SEVERE AS THE ACTIVITY ENCOUNTERS THE
   STRONGER INSTABILITY.  HAIL AND STRONG WIND GUSTS WILL BE THE
   PRIMARY THREATS.

   ..PETERS/EDWARDS.. 07/09/2014


   ATTN...WFO...LBF...GLD...BOU...CYS...

   LAT...LON   40360499 41220473 41590403 41420254 40890194 40040171
               39300225 39250300 39770436 40360499 

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Page last modified: July 09, 2014
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