Tornado Watch 339

TORNADO WATCH NUMBER 339
NWS STORM PREDICTION CENTER NORMAN OK
915 PM CDT THU MAY 22 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL KANSAS
SOUTH CENTRAL NEBRASKA
NORTH CENTRAL OKLAHOMA
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 915 PM
UNTIL 500 AM CDT.
TORNADOES...HAIL TO 2 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 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES WEST OF GRAND ISLAND
NEBRASKA TO 45 MILES SOUTH OF ENID OKLAHOMA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU9).
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...THIS TORNADO WATCH REPLACES
TORNADO
WATCH NUMBER 336
. WATCH NUMBER 336 WILL NOT BE IN EFFECT AFTER
915 PM CDT. CONTINUE...
WW 335
...
WW 337
...
DISCUSSION...TSTMS CLUSTERS/SUPERCELLS NOW IN NW/N CNTRL KS EXPECTED
TO PERSIST AND MOVE/DEVELOP NNE AS STRONG/MOIST SLY LLJ CONTINUES E
OF CLUSTER AND IMPINGES ON WNW/ESE-ORIENTED STATIONARY FRONT. MORE
ISOLD STORMS/SUPERCELLS SHOULD ALSO PERSIST FARTHER S...ALONG AND
AHEAD OF WAVY DRY LINE EXTENDING SSW INTO THE NE TX PANHANDLE. LOW
LCLS AND STRENGTH OF LOW-LVL SHEAR SUGGEST CONTINUED RISK FOR
TORNADOES OVERNIGHT...DESPITE INCREASING CINH AND INCREASINGLY
COMPLEX STORM MODE. A FEW ADDITIONAL SVR STORMS MAY FORM IN AREA OF
ENHANCED WAA ACROSS S CNTRL/SE KS INTO NE OK.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 21530.
...CORFIDI