ZCZC SPCSWOMCD ALL
ACUS11 KWNS 200006 COR
SPC MCD 200006 COR
KSZ000-NEZ000-OKZ000-COZ000-NMZ000-200200-

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

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

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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