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000 

WWUS20 KWNS 062044

SEL8

SPC WW 062044

KSZ000-NEZ000-070300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 268

NWS STORM PREDICTION CENTER NORMAN OK

345 PM CDT TUE MAY 6 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN KANSAS

       SOUTHWEST NEBRASKA



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 345 PM UNTIL

1000 PM 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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES WEST

NORTHWEST OF MCCOOK NEBRASKA TO 55 MILES SOUTH SOUTHEAST OF DODGE

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 265...WW 266...WW 267...



DISCUSSION...HIGH BASED CONVECTION IS EXPECTED TO CONTINUE TO SPREAD

EASTWARD INTO WESTERN KS AND INTENSIFY RAPIDLY THIS AFTERNOON.

THESE STORMS ARE LIKELY TO POSE A THREAT OF VERY LARGE HAIL AND

DAMAGING WINDS THROUGH THE EARLY EVENING.



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 450. MEAN STORM

MOTION VECTOR 25030.





...HART

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