WATCHES: Severe Thunderstorm Watch Number 922

WWUS20 KWNS 220651
SEL2
SPC WW 220651
KSZ000-OKZ000-TXZ000-221400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 922
NWS STORM PREDICTION CENTER NORMAN OK
145 AM CDT WED OCT 22 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

CENTRAL AND EASTERN KANSAS
WESTERN AND CENTRAL OKLAHOMA
SOUTHEASTERN TEXAS PANHANDLE

EFFECTIVE THIS WEDNESDAY MORNING FROM 145 AM UNTIL 900 AM CDT.

HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES SOUTH
SOUTHEAST OF CHICKASHA OKLAHOMA TO 45 MILES NORTH NORTHWEST OF
EMPORIA KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 921...

DISCUSSION...LINE OF TSTMS ALONG COLD FRONT SURGING SE ACROSS CNTRL
KS/WRN OK/ERN TX PANHANDLE EXPECTED TO PERSIST THROUGH DAWN. STORMS
MAY INCREASE IN COVERAGE IN OK LATER THIS MORNING. STRENGTH OF
BACKGROUND WIND FIELD...INCREASING LARGE SCALE ASCENT ASSOCIATED
WITH AMPLIFYING UPR TROUGH...DEEPENING SFC LOW OVER CNTRL/NE
KS...AND SIZABLE TEMP-DEW POINT SPREADS ABOVE THE SFC TOGETHER
SUGGEST POTENTIAL FOR DMGG WIND GUSTS...DESPITE LIMITED CAPE.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 28040.

...CORFIDI

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