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386 

WWUS20 KWNS 232217

SEL0

SPC WW 232217

WIZ000-LMZ000-240300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 800

NWS STORM PREDICTION CENTER NORMAN OK

520 PM CDT TUE AUG 23 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL WI WISCONSIN

       LAKE MICHIGAN



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 520 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 2.5 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 50 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST NORTHWEST OF

CAMP DOUGLAS WISCONSIN TO 25 MILES EAST OF MANITOWOC WISCONSIN.

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.



DISCUSSION...SCATTERED THUNDERSTORMS CONTINUE TO INCREASE IN

COVERAGE OVER CENTRAL WI.  THESE STORMS ARE EXPECTED TO TRACK

SOUTHEASTWARD ACROSS THE WATCH AREA THROUGH THE EVENING.

STRENGTHENING LOW LEVEL WIND FIELDS AND FAVORABLE MID LEVEL FLOW

SUGGEST THE RISK OF SUPERCELLS CAPABLE OF VERY LARGE HAIL...DAMAGING

WINDS...AND AN ISOLATED TORNADO OR TWO.  THE MAIN UNCERTAINTY

REGARDING THE WIND/TORNADO THREAT WILL INVOLVE THE PERSISTENT LOW

CLOUDS AND EXTENT OF REMAINING CAP.



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

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 30030.





...HART

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