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000 

WWUS20 KWNS 241847

SEL5

SPC WW 241847

NEZ000-250200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 175

NWS STORM PREDICTION CENTER NORMAN OK

150 PM CDT TUE APR 24 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 150 PM UNTIL

900 PM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES EAST

NORTHEAST OF GRAND ISLAND NEBRASKA TO 50 MILES WEST SOUTHWEST OF

BEATRICE NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 172...WW 173...WW 174...



DISCUSSION...ELEVATED TSTMS/POSSIBLE SUPERCELLS WITH HAIL EXPECTED

TO INCREASE IN STRENGTH AND POSSIBLY COVERAGE LATER

TODAY...POTENTIALLY SUPPORTING AN INCREASED THREAT FOR LARGER HAIL

AND POSSIBLY LOCALLY DAMAGING WIND.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 20030.





...CORFIDI

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