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421 

WWUS20 KWNS 120014

SEL6

SPC WW 120014

ILZ000-WIZ000-LMZ000-120500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 536

NWS STORM PREDICTION CENTER NORMAN OK

615 PM CST WED NOV 11 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN AND NORTH CENTRAL ILLINOIS

  SOUTHERN WISCONSIN

  LAKE MICHIGAN



* EFFECTIVE THIS WEDNESDAY EVENING FROM 615 PM UNTIL 1100 PM CST.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...BROKEN SQUALL LINE WITH EMBEDDED SUPERCELLS NOW ENTERING

NORTHWEST ILLINOIS EXPECTED TO CONTINUE EAST-NORTHEAST AT 45 MPH.

STORMS WILL HAVE THE POTENTIAL TO PRODUCE A FEW DAMAGING GUSTS AND

PERHAPS A BRIEF TORNADO OR TWO DESPITE GRADUALLY DIMINISHING WARMTH

/ MOISTURE WITH NORTHEAST EXTENT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

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

NORTHWEST OF JANESVILLE WISCONSIN TO 5 MILES SOUTH OF BLOOMINGTON

ILLINOIS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 535...



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 24045.





...CORFIDI

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