WATCHES: Tornado Watch Number 172

WWUS20 KWNS 241553
SEL2
SPC WW 241553
KSZ000-250000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 172
NWS STORM PREDICTION CENTER NORMAN OK
1050 AM CDT TUE APR 24 2007

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

A LARGE PART OF KANSAS

EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1050 AM UNTIL 700
PM CDT.

TORNADOES...HAIL TO 2.5 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHEAST OF HILL
CITY KANSAS TO 45 MILES SOUTH OF WICHITA KANSAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU2).

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.

DISCUSSION...SFC-BASED TSTMS EXPECTED TO FORM IN THE NEXT HOUR OR
TWO ALONG MERGING PACIFIC COLD FRONT/DRY LINE NOW IN CNTRL KS.
STORMS SHOULD QUICKLY BECOME SUPERCELLULAR...LIKELY EVOLVING INTO
SHORT NNE/SSW ORIENTED BANDS GIVEN CURRENT WIND PROFILES SHOWING
BACK-VEER PATTERNS IN THE VERTICAL. GIVEN QUALITY OF MOISTURE
INFLOW...INCREASING SFC HEATING AND STRENGTHENING DEEP SHEAR...AN
ATTENDANT THREAT WILL EXIST FOR TORNADOES AND LARGE HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 21035.

..CORFIDI

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