

000 

WWUS20 KWNS 300009

SEL6

SPC WW 300009

KSZ000-300600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 306

NWS STORM PREDICTION CENTER NORMAN OK

710 PM CDT TUE MAY 29 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN KANSAS



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 710 PM

UNTIL 100 AM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST

SOUTHEAST OF LIBERAL KANSAS TO 40 MILES WEST NORTHWEST OF HILL

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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...



DISCUSSION...SVR TSTMS POSSIBLE ON BOTH SIDES OF INTENSE OUTFLOW

SURGE EXPECTED TO MOVE EWD AND SEWD FROM CO...WITH DAMAGING GUSTS

AND ISOLATED LARGE HAIL POSSIBLE.  ACTIVITY DEVELOPING AHEAD OF

OUTFLOW BOUNDARY SHOULD BE UNDERCUT QUICKLY BUT MAY MAINTAIN SVR

THREAT WITH UNSTABLE INFLOW ELEVATED ABOVE COLD POOL.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 29035.





...EDWARDS/hart

