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Mesoscale Discussion 1333
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   MESOSCALE DISCUSSION 1333
   NWS STORM PREDICTION CENTER NORMAN OK
   0854 PM CDT WED JUL 09 2014

   AREAS AFFECTED...NE CO...NW KS...WRN/CNTRL/NRN NEB

   CONCERNING...SEVERE THUNDERSTORM WATCH 408...

   VALID 100154Z - 100330Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 408
   CONTINUES.

   SUMMARY...LARGE HAIL AND DAMAGING WIND THREAT WILL CONTINUE ACROSS
   MOST OF THE WATCH AREA. DESPITE DIURNAL COOLING...AN INCREASING LLJ
   WILL LIKELY SUPPORT A CONTINUATION OF THE TSTM ACTIVITY ACROSS NEB
   AND NW KS. TSTMS MOVING OUT OF NE CO HAVE BEEN WEAKENING BUT TRENDS
   WILL BE MONITORED FOR A POSSIBLE INCREASE IN STRENGTH AND RESULTANT
   NEED FOR A DOWNSTREAM WW.

   DISCUSSION...RECENT RADAR IMAGERY ACROSS NEB CONTINUES TO SHOW
   STRONG TO SVR TSTMS WITH SEVERAL REPORTS OF VERY LARGE HAIL AND
   SEVERE WIND OVER THE LAST HOUR. DIURNAL COOLING WILL LIKELY LEAD TO
   THE GRADUAL DECREASE IN TSTM COVERAGE AND INTENSITY. HOWEVER...SOME
   OF THIS DECREASE MAY BE OFFSET BY AN INCREASE IN THE LLJ ACROSS WRN
   KS AND WRN/CNTRL NEB WITH RESULTANT WAA OVER OUTFLOW BOUNDARIES
   FAVORING CONTINUED TSTM DEVELOPMENT. RECENT TSTM DEVELOPMENT ACROSS
   LOUP...ROCK...AND HOLT COUNTIES IN N-CNTRL NEB MAY BE A RESULT OF
   THIS PROCESS. ANY STORMS THAT DEVELOP LATER WILL MAINLY POSE A SVR
   HAIL THREAT...ALTHOUGH SOME DAMAGING WIND GUSTS WOULD STILL BE
   POSSIBLE. 

   LINE OF STORMS ENTERING KIT CARSON AND YUMA COUNTIES IN NE CO HAD
   PREVIOUSLY SHOWN SIGNS OF BETTER ORGANIZATION BUT CURRENT RADAR
   IMAGERY SHOWS THE OUTFLOW IS BEGINNING TO SURGE AHEAD OF THE MAIN
   LINE. SOME HAIL AND DAMAGING WINDS ARE POSSIBLE INTO W-CNTRL KS.
   INTERACTION WITH THE LLJ MAY RESULT IN A DOWNSTREAM THREAT ACROSS SW
   KS BUT CURRENT TRENDS SUGGEST A GRADUAL DISSIPATION OF THESE STORMS.
   TRENDS WILL BE MONITORED FOR POSSIBLE DOWNSTREAM WW ISSUANCE ACROSS
   SW KS.

   ..MOSIER.. 07/10/2014


   ATTN...WFO...OAX...ICT...GID...LBF...DDC...GLD...BOU...CYS...

   LAT...LON   39030357 42170418 42169834 39049797 39030357 

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Page last modified: July 10, 2014
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