

710 

WWUS20 KWNS 141951

SEL0

SPC WW 141951

COZ000-NEZ000-WYZ000-150300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 410

NWS STORM PREDICTION CENTER NORMAN OK

250 PM CDT SUN JUN 14 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       LARGE PART OF NORTHEAST COLORADO

       NEBRASKA PANHANDLE

       PARTS OF SOUTHEAST WYOMING



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 250 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 3 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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH OF LIMON

COLORADO TO 35 MILES WEST NORTHWEST OF CHADRON NEBRASKA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU0).



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 406...WW 407...WW

408...WW 409...



DISCUSSION...WITH FAVORABLE SHEAR IN PLACE AHEAD OF APPROACHING

UPPER S/WV TROUGH ALONG WITH MLCAPES AOA 1000 J/KG...CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS ALONG AND EAST OF HIGHER TERRAIN.

 SUPERCELLS  ARE LIKELY WHICH WILL ENHANCE BOTH LARGE HAIL AND

TORNADO POTENTIAL.  STORMS WILL DEVELOP/PROPAGATE EWD ACROSS THE

WATCH THROUGH THE EVENING.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24020.





...HALES

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