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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
331 PM CST Mon Nov 30 2020

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-012145-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
331 PM CST Mon Nov 30 2020 /431 PM EST Mon Nov 30 2020/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Non Thunderstorm Wind Risk.
  Elevated Snow Risk.
  Significant Lakeshore Flood Risk.

DISCUSSION...

 A lake effect snow band in place across northern Indiana may
 shift west and drop a couple inches of snow in portions of
 Porter County tonight.

 North winds this evening will gust as high as 40 mph along the
 Lake Michigan shoreline and to 35 mph inland. These strong winds
 have produced large waves on Lake Michigan which may lead to
 lakeshore flooding and erosion along the Indiana and Illinois
 shorelines. The worst conditions are expected across northwest
 Indiana.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday...
  Limited Non Thunderstorm Wind Risk.
  Elevated Lakeshore Flood Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$



Lakeshore Flood Advisory

Lakeshore Hazard Message
National Weather Service Chicago IL
308 PM CST Mon Nov 30 2020

ILZ103-104-010515-
/O.CON.KLOT.LS.Y.0023.000000T0000Z-201201T1200Z/
Northern Cook-Central Cook-
308 PM CST Mon Nov 30 2020

...LAKESHORE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
TUESDAY...

* WHAT...Minor to lakeshore flooding expected due to large waves
  of 10 to 14 feet and high lake levels.

* WHERE...Northern and Central Cook County.

* WHEN...Through 6 AM CST Tuesday. Conditions are expected to
  improve gradually through the night.

* IMPACTS...Large waves combined with high lake levels will lead
  to minor flooding of parking lots, parks, and paths, along the
  immediate lakeshore. Additionally, a one foot increase in the
  water levels is possible along river mouths, canals, and ports
  along Lake Michigan. Stay dry when waves are high!.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Residents on or near the shore should take appropriate action to
protect property from rising water levels.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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Page last modified: May 16, 2007
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