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867 

WWUS20 KWNS 160138

SEL5

SPC WW 160138

ILZ000-INZ000-MIZ000-LMZ000-160800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 45

NWS STORM PREDICTION CENTER NORMAN OK

835 PM CDT TUE MAR 15 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEASTERN ILLINOIS

  NORTHERN INDIANA

  EXTREME SOUTHWESTERN LOWER MICHIGAN

  LAKE MICHIGAN



* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 835 PM

  UNTIL 300 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...A BAND OF SEVERE THUNDERSTORMS...WITH A FEW EMBEDDED

SUPERCELLS AND BOW ECHOES...WILL OFFER A RISK FOR DAMAGING WIND IN

THE WESTERN AND SOUTHERN PARTS OF THE WATCH AREA OVER A SLIVER OF

NORTHEASTERN ILLINOIS.  LARGE HAIL IS POSSIBLE ANYWHERE IN THE WATCH

INCLUDING THE CHICAGO AREA...SOUTHERN LAKE MICHIGAN AND NORTHWESTERN

INDIANA.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EITHER SIDE OF A LINE FROM 70 MILES SOUTH SOUTHWEST

OF VALPARAISO INDIANA TO 60 MILES WEST NORTHWEST OF BENTON HARBOR

MICHIGAN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 44...



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 450. MEAN STORM

MOTION VECTOR 24030.





...EDWARDS

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