Special Marine Warning
Issued by NWS Chicago, IL

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BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
420 PM CDT THU AUG 10 2017

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  NEARSHORE WATERS FROM WINTHROP HARBOR TO WILMETTE HARBOR...
  OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID
  LAKE...

* UNTIL 615 PM CDT

* AT 419 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 27 NM WEST OF
  PLEASANT PRAIRIE...MOVING EAST AT 30 KNOTS.

  HAZARD...WIND GUSTS TO NEARLY 50 KNOTS AND LARGE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
           SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN
           STRUCTURAL DAMAGE.

* LOCATIONS IMPACTED INCLUDE...
  WINTHROP HARBOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.

BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.
WIND GUSTS TO NEARLY 50 KNOTS...LARGE HAIL...HIGH WAVES...DANGEROUS
LIGHTNING...AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHEASTERN ILLINOIS.

LAT...LON 4246 8717 4198 8721 4208 8759 4211 8760
      4209 8764 4212 8774 4221 8780 4229 8783
      4230 8783 4231 8782 4233 8782 4233 8783
      4237 8783 4237 8782 4236 8782 4238 8781
      4239 8780 4248 8780
TIME...MOT...LOC 2119Z 284DEG 29KT 4243 8853

HAIL...>.75IN
WIND...49KTS

$$

KREIN



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