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Start UTC Date @0z:
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WWUS20 KWNS 082225
SEL0  
SPC WW 082230
IAZ000-NEZ000-090400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 310 
NWS STORM PREDICTION CENTER NORMAN OK 
530 PM CDT THU MAY 8 2003

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

       WESTERN IOWA
       EASTERN NEBRASKA

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 530 PM UNTIL
1100 PM CDT.

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

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES WEST NORTHWEST OF COLUMBUS
NEBRASKA TO 95 MILES EAST OF OMAHA NEBRASKA.

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 303...WW 304...WW 305...WW
306...WW 307...WW 308...


DISCUSSION...SEVERE THUNDERSTORMS WILL DEVELOP NEWD ACROSS WARM
FRONT WITH CONSIDERABLE ELEVATED INSTABILITY AVAILABLE.  LARGE HAIL
WILL BE DOMINATE THREAT

AVIATION...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 24035.


...HALES

422,0975 420,0940 403,0940 405,0975