

000 

WWUS20 KWNS 300121

SEL7

SPC WW 300121

KSZ000-NEZ000-300600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 307

NWS STORM PREDICTION CENTER NORMAN OK

820 PM CDT TUE MAY 29 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTH CENTRAL KANSAS

       SOUTH CENTRAL NEBRASKA



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 820 PM

UNTIL 100 AM CDT.



HAIL TO 1.5 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 50

STATUTE MILES EAST AND WEST OF A LINE FROM 90 MILES NORTH

NORTHEAST OF HILL CITY KANSAS TO 35 MILES EAST SOUTHEAST OF HILL

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 304...WW 305...WW 306...



DISCUSSION...BOW ECHO IS TRACKING EASTWARD ALONG THE KS/NEB BORDER

NORTHEAST OF GLD.  THIS ACTIVITY WILL LIKELY MAINTAIN SEVERE THREAT

FOR ANOTHER FEW HOURS...WITH A RISK OF DAMAGING WINDS AND HAIL.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 27035.





...HART

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