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Mesoscale Discussion 897
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   MESOSCALE DISCUSSION 0897
   NWS STORM PREDICTION CENTER NORMAN OK
   1231 PM CDT SUN JUN 08 2014

   AREAS AFFECTED...ERN CO

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 081731Z - 081900Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN COLORADO
   THIS AFTERNOON.  LARGE HAIL AND DAMAGING WINDS ARE LIKELY...ALONG
   WITH A RISK OF TORNADOES.

   DISCUSSION...WELL-DEFINED SHORT-WAVE TROUGH IS PROGRESSING ACROSS
   THE CNTRL ROCKIES AT ROUGHLY 35KT.  LARGE SCALE ASCENT IS INCREASING
   ACROSS MUCH OF CO WITH A BAND OF CONVECTION GRADUALLY INCREASING IN
   INTENSITY FROM BOULDER COUNTY...SWWD TO LA PLATA COUNTY.  NUMEROUS
   BREAKS IN LOW CLOUDS EXIST ALONG THE FRONT RANGE WITH SUBSTANTIAL
   HEATING ONGOING IMMEDIATELY AHEAD OF AFOREMENTIONED BAND OF TSTMS. 
   GIVEN THE LARGE SCALE ASCENT...IT SEEMS LIKELY THAT A BROKEN SQUALL
   LINE WITH EMBEDDED SUPERCELLS SHOULD INTENSIFY AS IT MOVES OFF THE
   HIGHER TERRAIN ACROSS A MORE MOIST/UNSTABLE AIRMASS ALONG THE FRONT
   RANGE.  LARGE HAIL WILL BE COMMON WITH THIS ACTIVITY AND TORNADOES
   CAN NOT BE RULED OUT EARLY IN THE CONVECTIVE CYCLE.  HOWEVER...THERE
   IS GROWING CONFIDENCE THAT DAMAGING WINDS MAY BECOME COMMON AS
   SQUALL LINE MATURES OVER THE PLAINS AND DRIVES SEWD TOWARD THE CO/NM
   BORDER...EVENTUALLY PROPAGATING INTO THE SRN HIGH PLAINS LATER THIS
   EVENING.

   ..DARROW/WEISS.. 06/08/2014


   ATTN...WFO...GLD...PUB...BOU...

   LAT...LON   36990501 40460502 40480266 37000265 36990501 

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Page last modified: June 08, 2014
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