[MCD] SWOMCD
Mesoscale Convective Discussions
mcd at goshenarc.org
Tue Jun 20 18:53:42 UTC 2006
ACUS11 KWNS 201854
SWOMCD
SPC MCD 201854
NEZ000-COZ000-WYZ000-202030-
MESOSCALE DISCUSSION 1259
NWS STORM PREDICTION CENTER NORMAN OK
0154 PM CDT TUE JUN 20 2006
AREAS AFFECTED...SE WY...WRN NEB...NE CO
CONCERNING...SEVERE THUNDERSTORM POTENTIAL
VALID 201854Z - 202030Z
THUNDERSTORM INITIATION APPEARS LIKELY OVER THE NEXT 1-2 HOURS. A
SEVERE THREAT SHOULD DEVELOP AS STORMS INCREASE IN COVERAGE WITH
LARGE HAIL AND ISOLATED WIND DAMAGE POSSIBLE LATE THIS AFTERNOON. A
WW MAY BECOME NECESSARY BY 20Z TO 21Z ACROSS THE REGION.
LATEST SFC ANALYSIS SHOWS A FRONTAL BOUNDARY FROM SCNTRL NEB
EXTENDING SWWD INTO SRN CO WITH A DUAL-CENTERED SFC LOW OVER NW KS
AND SE CO. DEWPOINTS ARE HIGHER NORTH OF THE BOUNDARY WITH A STRONG
MOISTURE GRADIENT PRESENT FROM FAR SE WY EXTENDING SSEWD TO NEAR
GOODLAND KS. THUNDERSTORMS WILL LIKELY INITIATE IN THE MEDICINE BOWS
AND ALONG THE FRONT RANGE OVER THE NEXT 1-2 HOURS. THE STORMS WILL
LIKELY STRENGTHEN...MOVING INTO INCREASING LOW-LEVEL MOISTURE AND
MODERATE INSTABILITY IN PLACE ACROSS THE CNTRL HIGH PLAINS. IN
ADDITION...FORECAST SOUNDINGS IN SE WY...NE CO AND WRN NEB SHOW 0-6
KM SHEAR VALUES OF 40-45 KT WITH STEEP LAPSE RATES SUGGESTING
SUPERCELLS WITH LARGE HAIL AND/OR ISOLATED WIND DAMAGE WILL BE
POSSIBLE.
..BROYLES.. 06/20/2006
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LBF...BOU...CYS...
40630227 40260375 40750509 41390540 42340523 42910412
42720243 41580173
WWWW
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