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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 410

NWS STORM PREDICTION CENTER NORMAN OK

530 AM CDT TUE JUN 19 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND NORTHEAST WISCONSIN

       LAKE MICHIGAN



EFFECTIVE THIS TUESDAY MORNING FROM 530 AM UNTIL 1100 AM 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 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST OF

MOSINEE WISCONSIN TO 70 MILES EAST NORTHEAST OF GREEN BAY

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 409...



DISCUSSION...FAST-MOVING BOW ECHO IN W CENTRAL WI WILL LIKELY

PERSIST FOR ANOTHER FEW HOURS WHILE MOVING INTO CENTRAL/NE WI...AND

OTHER PRECEDING STORMS MAY ALSO PERSIST.  THE STORMS WILL TRACK EWD

ALONG THE STALLED SURFACE FRONT...WHERE INSTABILITY AND VERTICAL

SHEAR WILL REMAIN FAVORABLE FOR BOTH BOWING SEGMENTS AND SUPERCELLS.

DAMAGING WINDS AND LARGE HAIL CAN BE EXPECTED WITH THESE STORMS.



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 550. MEAN STORM

MOTION VECTOR 26045.





...THOMPSON

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