WATCHES: Severe Thunderstorm Watch Number 480

WWUS20 KWNS 032153
SEL0
SPC WW 032153
WIZ000-LMZ000-040300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 480
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT TUE JUL 3 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

CENTRAL AND PART OF SOUTHERN WISCONSIN
LAKE MICHIGAN

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 455 PM UNTIL
1000 PM CDT.

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 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH OF
CAMP DOUGLAS WISCONSIN TO 30 MILES SOUTH SOUTHEAST OF MANITOWOC
WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 477...WW 478...WW 479...

DISCUSSION...WEAKLY ORGANIZED MCS WILL CONTINUE ESEWD ACROSS WI
THROUGH THE EVENING. AIR MASS REMAINS MODERATELY UNSTABLE WITH
SUFFICIENT SHEAR FOR ORGANIZED LINES AND CLUSTERS OF STORMS WHICH
WILL ENHANCE THE RISK OF DAMAGING WINDS AND LARGE HAIL.

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.

..EVANS

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