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000 

WWUS20 KWNS 310254

SEL1

SPC WW 310254

KSZ000-311000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 141

NWS STORM PREDICTION CENTER NORMAN OK

955 PM CDT SUN MAR 30 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       A LARGE PART OF CENTRAL AND EASTERN KANSAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 955 PM UNTIL

500 AM CDT.



HAIL TO 2.5 INCHES 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 70

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH

SOUTHWEST OF WICHITA KANSAS TO 60 MILES NORTH OF MANHATTAN

KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 140...



DISCUSSION...THUNDERSTORMS EXPECTED TO DEVELOP RAPIDLY NEWD FROM

CENTRAL OK INTO KS AS LOW/MID LEVEL JET INCREASES AHEAD OF

APPROACHING  S/WV TROUGH NOW CROSSING CENTRAL ROCKIES.  STEEP MID

LEVEL LAPSE RATES AND THE INCREASE IN GULF MOISTURE WILL SUPPORT

ELEVATED SUPERCELLS.  PRIMARY THREAT WILL BE LARGE HAIL GIVEN THE

STABLE LOW LEVELS...HOWEVER AS WARM SECTOR SHIFTS NWD INTO SRN KS

THERE COULD BE AN INCREASING CONCERN OF DAMAGING WINDS.



AVIATION...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 24030.





...HALES

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