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WWUS20 KWNS 010707

SEL2

SPC WW 010707

COZ000-KSZ000-011400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 412

NWS STORM PREDICTION CENTER NORMAN OK

110 AM MDT SUN JUN 1 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EAST CENTRAL AND SOUTHEAST COLORADO

       SOUTHWEST KANSAS



EFFECTIVE THIS SUNDAY MORNING FROM 110 AM UNTIL 800 AM MDT.



HAIL TO 2 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 NORTH AND SOUTH OF A LINE FROM 30 MILES WEST

NORTHWEST OF LA JUNTA COLORADO TO 25 MILES EAST OF GARDEN CITY

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 409...WW 411...



DISCUSSION...ISOLD...SLIGHTLY ELEVATED...SUSTAINED TSTMS/SUPERCELLS

OVER ERN CO...FORMING IN ELY FLOW N OF STALLED W-E FRONT...EXPECTED

TO PERSIST AND MOVE/DEVELOP ESE THROUGH LATER THIS MORNING.  GIVEN

INCREASINGLY RICH QUALITY OF MOISTURE INFLOW AND PRESENCE OF

MODERATE CLOUD-LAYER SHEAR...STORMS MAY CONTINUE TO POSE A THREAT

FOR LARGE HAIL AND POSSIBLY AN ISOLD TORNADO.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 29030.





...CORFIDI

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