SWOMCD
SPC MCD 220158
KSZ000-COZ000-220300-
MESOSCALE DISCUSSION 2338
NWS STORM PREDICTION CENTER NORMAN OK
0858 PM CDT TUE OCT 21 2008
AREAS AFFECTED...EASTERN CO...WESTERN KS
CONCERNING...SEVERE THUNDERSTORM WATCH 920...
VALID 220158Z - 220300Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 920
CONTINUES.
LATEST SURFACE ANALYSIS SHOWS A STRONG COLD FRONT SURGING
SOUTHEASTWARD ACROSS NORTHWEST KS AND EAST-CENTRAL CO.
THUNDERSTORMS HAVE BEEN SLOWLY INCREASING IN COVERAGE AND INTENSITY
ALONG AND AHEAD OF FRONT WITH OCCASIONAL STORMS PRODUCING HAIL AND
GUSTY WINDS. 00Z RAOBS SHOWED STEEP MID LEVEL LAPSE RATES
/700-500MB LR OF 7.9 C/KM AT DDC/...AND FAVORABLE LOW LEVEL AND DEEP
LAYER SHEAR FOR UPDRAFT ORGANIZATION AND ROTATION. PRESENT
INDICATIONS ARE THAT STRONGER CELLS WILL REMAIN A THREAT FOR HAIL
AND DAMAGING WINDS FOR ANOTHER SEVERAL HOURS AS SOUTHERLY LOW LEVEL
JET STRENGTHENS AND MAIN UPPER FORCING/COOLING ARRIVE FROM THE WEST.
THREAT MAY SPREAD EAST OF CURRENT WATCH...WITH LOCAL WATCH
EXTENSIONS POSSIBLE.
..HART.. 10/22/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...DDC...GLD...PUB...
LAT...LON 38120252 38660165 39750088 39850027 39109986 38079998
37380043 37100163 37560247 38120252
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