

000 

WWUS20 KWNS 222011

SEL7

SPC WW 222011

NEZ000-230300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 337

NWS STORM PREDICTION CENTER NORMAN OK

305 PM CDT THU MAY 22 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PORTIONS OF SOUTHWESTERN NEBRASKA



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 305 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 35 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST OF

IMPERIAL NEBRASKA TO 25 MILES SOUTHEAST OF NORTH PLATTE NEBRASKA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 334...WW 335...WW 336...



DISCUSSION...DESPITE CLOUDY AND COOL CONDITIONS CURRENTLY LOCATED

ACROSS SWRN NEB...WARM FRONT IS MOVING SLOWLY NWD THROUGH FAR NRN KS

AND MAY MOVE INTO SWRN NEB DURING THE NEXT FEW HOURS. STRONG MID

LEVEL JET WILL SPREAD SUPERCELLS NWD FROM KS. AS THESE STORMS

INTERACT WITH WARM FRONT...TORNADOES WILL BE POSSIBLE.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 18035.





...IMY

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