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Mesoscale Discussion 1488
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MD 1488 graphic

   MESOSCALE DISCUSSION 1488
   NWS STORM PREDICTION CENTER NORMAN OK
   0706 PM CDT SUN JUL 19 2015

   AREAS AFFECTED...EASTERN COLORADO...WESTERN KANSAS...AND FAR
   SOUTHWESTERN NEBRASKA

   CONCERNING...SEVERE THUNDERSTORM WATCH 444...

   VALID 200006Z - 200200Z

   CORRECTED FOR MCD WEB GRAPHIC

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 444
   CONTINUES.

   SUMMARY...THE SEVERE THREAT CONTINUES ACROSS WW 444...WITH
   ADDITIONAL THREAT PROBABLE DOWNSTREAM.

   DISCUSSION...CONTINUE WW 444.  SCATTERED STRONG TO SEVERE
   THUNDERSTORMS CONTINUE ACROSS THE WW AREA...AND A FEW OF THESE
   STORMS HAVE CONGEALED INTO A LINE ACROSS CHEYENNE/KIOWA COUNTIES IN
   COLORADO.  THESE STORMS SHOULD PROPAGATE EASTWARD ALONG AN EAST-WEST
   SURFACE BOUNDARY LOCATED ACROSS WEST CENTRAL KANSAS AND REACH THE
   EASTERN EDGE OF THE WW BY 02-03Z.  MODERATE INSTABILITY AND 40-KNOT
   DEEP SHEAR DOWNSTREAM OF THIS LINE SUGGESTS AT LEAST SOME CONTINUED
   SEVERE THREAT DOWNSTREAM DESPITE THE EVENTUAL NOCTURNAL BOUNDARY
   LAYER STABILIZATION...AND IT IS POSSIBLE THAT LOCAL EXTENSIONS OF WW
   444 OR A NEW WW MAY BE NEEDED PRIOR TO 02Z.  

   FARTHER WEST...INSTABILITY HAS DECREASED DUE TO CONVECTIVE
   OVERTURNING PARTICULARLY ACROSS EAST-CENTRAL COLORADO.  THE WW FOR
   PARTS OF THIS AREA MAY BE CANCELLED OVER THE NEXT 1-2 HOURS AS
   STABILIZATION CONTINUES ACROSS THE REGION AND STORMS MOVE OUT OF
   THAT AREA.

   ..COOK/MEAD.. 07/20/2015


   ATTN...WFO...ICT...GID...LBF...DDC...GLD...AMA...PUB...BOU...
   ABQ...

   LAT...LON   36990502 37000516 37590550 37590550 37870548 37880548
               39120502 39560466 40430347 40430241 40430205 40340078
               40039983 39579895 38759878 38139902 37699975 37220094
               37000155 37000159 36990186 36990190 36990190 36990194
               36990200 36990202 36990204 36990502 

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Page last modified: July 20, 2015
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