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3 products issued by NWS for: Amf Ohare IL
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
323 AM CDT Sat Oct 20 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
210830-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
323 AM CDT Sat Oct 20 2018 /423 AM EDT Sat Oct 20 2018/

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

.DAY ONE...Early this Morning through Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk in northwest Indiana.
  Elevated Non thunderstorm wind Risk.
  Elevated Lakeshore Flood Risk

DISCUSSION...

A strong cold front will move through the area today, in
association with a vigorous upper level disturbance. Very windy
conditions are expected, with northwest winds of 20 to 30 mph and
gusts around 40 mph developing this morning behind the front.
Strong northwest winds will produce large waves on Lake Michigan
which may produce minor lakeshore and beach flooding along
portions of the Indiana shore today and tonight. Scattered rain
showers will develop by late morning and early afternoon, and
these showers may become mixed with graupel or wet snow at times.
Surface temperatures will remain above freezing however, and no
accumulation is expected. Isolated thunderstorm is not out of the
question over the milder waters of Lake Michigan, and downstream
into parts of northwest Indiana.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

  No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$



Wind Advisory

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
947 AM CDT Sat Oct 20 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
202300-
/O.NEW.KLOT.WI.Y.0003.181020T1600Z-181020T2300Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, DeKalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, Joliet, Kankakee, Pontiac, Watseka, Paxton, Gary,
Valparaiso, Morocco, Rensselaer, and Fowler
947 AM CDT Sat Oct 20 2018 /1047 AM EDT Sat Oct 20 2018/

...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT /7 PM EDT/ THIS
EVENING...

The National Weather Service in Chicago has issued a Wind
Advisory, which is in effect until 6 PM CDT /7 PM EDT/ this
evening.

* TIMING...Late this morning through early evening.

* WINDS...Northwest winds 20 to 30 mph with gusts to 45 mph.

* IMPACTS...Driving may become difficult, especially in high
  profile vehicles. In addition, unsecured outdoor items will be
  blown around.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph and/or wind
gusts of 45 mph are expected. Winds this strong can make driving
difficult...especially for high profile vehicles. Use extra
caution.

&&

$$

BMD



Special Weather Statement

SPECIAL WEATHER STATEMENT
National Weather Service Chicago/Romeoville IL
341 AM CDT Sat Oct 20 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
202000-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, DeKalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, Joliet, Kankakee, Pontiac, Watseka, Paxton, Gary,
Valparaiso, Morocco, Rensselaer, and Fowler
341 AM CDT Sat Oct 20 2018 /441 AM EDT Sat Oct 20 2018/

...STRONG NORTHWEST WINDS TODAY...

A strong cold front will move across northern Illinois and
northwest Indiana late this morning into early this afternoon.
Northwest winds will quickly increase to 25 to 35 mph with gusts
to 40 mph behind this cold front. Isolated higher wind gusts are
possible, especially near Lake Michigan.

These strong winds may cause driving difficulties, especially for
light weight and high profile vehicles. Motorists should use extra
caution and be prepared for the strong winds. In addition,
lightweight outdoor objects may be blown around.

$$




U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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