SEL9
SPC WW 030727
COZ000-KSZ000-031500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 429
NWS STORM PREDICTION CENTER NORMAN OK
130 AM MDT TUE JUN 3 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN COLORADO
FAR WESTERN KANSAS
EFFECTIVE THIS TUESDAY MORNING FROM 130 AM UNTIL 900 AM MDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EITHER SIDE OF A LINE FROM 50 MILES SOUTH SOUTHEAST
OF BURLINGTON COLORADO TO 35 MILES SOUTHWEST OF AKRON COLORADO.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 427...WW 428...
DISCUSSION...SUPERCELLS NOW NEAR LIC EXPECTED TO CONTINUE ESE THIS
MORNING...FED BY INCREASINGLY MOIST ENELY INFLOW WITH ERN EXTENT.
STRONG LOW-LEVEL VEERING MAY CONTINUE TO FOSTER LOW-LEVEL STORM
ROTATION AND THE POTENTIAL FOR AN ISOLD TORNADO...BUT ESTIMATED
DEGREE OF INSTABILITY AND RATHER MODERATE UNIDIRECTIONAL MID-LVL
FLOW SUGGEST PRIMARY THREAT SHOULD BE LARGE HAIL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 30025.
...CORFIDI
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