WATCHES: Tornado Watch Number 168

WWUS20 KWNS 232335
SEL8
SPC WW 232335
KSZ000-OKZ000-240700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 168
NWS STORM PREDICTION CENTER NORMAN OK
635 PM CDT MON APR 23 2007

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

WESTERN AND CENTRAL KANSAS
FAR NORTH CENTRAL OKLAHOMA

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 635 PM UNTIL
200 AM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH SOUTHWEST OF
GOODLAND KANSAS TO 5 MILES SOUTHEAST OF WICHITA KANSAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

OTHER WATCH INFORMATION...CONTINUE...WW 165...WW 166...WW 167...

DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO CONTINUE
INCREASING IN COVERAGE AND INTENSITY THIS EVENING/OVERNIGHT ACROSS
MUCH OF THE WRN HALF OF KS. THIS WILL OCCUR ALONG NOSE/AXIS OF 40+
KT SLY LLJ WITHIN MODERATE INSTABILITY AND STRONG DEEP LAYER SHEAR.
SURFACE WARM FRONT WILL BECOME BETTER DEFINED AND LIFT NWD INTO
CENTRAL/NWRN KS AND FAR SWRN NEB THIS EVENING...INCREASING LOW LEVEL
SHEAR ACROSS WW. GIVEN LIKELIHOOD OF SUPERCELLS AND STEEP LAPSE
RATES...VERY LARGE HAIL SHOULD ACCOMPANY STRONGER STORMS. TORNADO
THREAT WILL ALSO BECOME ENHANCED THIS EVENING AND LIKELY PERSIST
WELL INTO THE NIGHT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 22025.

..EVANS

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