SEL2
SPC WW 021251
WIZ000-LMZ000-021600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 822
NWS STORM PREDICTION CENTER NORMAN OK
750 AM CDT FRI SEP 2 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN AND CENTRAL WISCONSIN
LAKE MICHIGAN
EFFECTIVE THIS FRIDAY MORNING FROM 750 AM UNTIL 1100 AM CDT.
HAIL TO 1.5 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 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 85 MILES WEST OF
OSHKOSH WISCONSIN TO 35 MILES EAST OF OSHKOSH WISCONSIN. 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 821...
DISCUSSION...SMALL FAST MOVING MCS CLUSTER WILL CONTINUE TO POSE A
THREAT FOR ISOLATED WIND DAMAGE AS IT ADVANCES THROUGH THE
MODERATELY UNSTABLE ENVIRONMENT WITH STEEP LOW-MID LEVEL LAPSE RATES
ACROSS CNTRL AND SRN WI EARLY THIS MORNING.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 26050.
...DIAL
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