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WWUS20 KWNS 072055

SEL5

SPC WW 072055

WIZ000-LMZ000-080400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 665

NWS STORM PREDICTION CENTER NORMAN OK

350 PM CDT MON JUL 7 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND SOUTHERN WISCONSIN

       LAKE MICHIGAN



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 350 PM UNTIL

1100 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 EAST AND WEST OF A LINE FROM 25 MILES WEST

SOUTHWEST OF JANESVILLE WISCONSIN TO 35 MILES NORTH NORTHWEST OF

OSHKOSH WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 663...WW 664...



DISCUSSION...MCS TRACKING INTO SWRN WI IS EXPECTED TO CONTINUE EWD

ALONG NRN EDGE OF MODERATE TO STRONG INSTABILITY AXIS NOSING INTO

CENTRAL/SRN WI LATE THIS AFTERNOON.  ADDITIONAL DEVELOPMENT IS

POSSIBLE AHEAD OF THIS LINE OF STORMS AS CAP WEAKENS.  DAMAGING

WINDS AND ISOLATED LARGE HAIL CAN BE EXPECTED THROUGH THE EVENING.



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 26035.





...EVANS

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