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4 products issued by NWS for: Des Plaines IL
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
400 AM CST Mon Feb 19 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
201000-
Winnebago-Boone-McHenry-Lake Illinois-Ogle-Lee-De Kalb-Kane-
DuPage-Cook-La Salle-Kendall-Grundy-Will-Kankakee-Livingston-
Iroquois-Ford-Lake Indiana-Porter-Newton-Jasper-Benton-
400 AM CST Mon Feb 19 2018 /500 AM EST Mon Feb 19 2018/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Limited Thunderstorm Risk.
  Elevated Flooding Risk.
  Elevated Fog Risk.

DISCUSSION:

Unseasonably warm, moist air will spread across the area today as
a warm front lifts north across the area. Moist air over cold
ground and lingering snow pack may result in areas of dense fog
over portions of the area today. Warm, moist air will remain in
place across the area through Tuesday. A series of mid level
disturbances will bring periods of showers and a few thunderstorms
today into Tuesday night. Heavy rainfall in excess of an inch,
and as much as 2 to 4 inches in some areas, will combine with
frozen ground and melting snowpack to result in runoff which may
lead to flooding. Area rivers and creeks will likely see high
water levels over the next several days, with some rivers likely
to go into flood.

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

Tuesday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk.
  Elevated Fog Risk.
  Limited Ice Accumulation Risk.
  Limited Sleet and Freezing Rain Risk Tuesday night.

Wednesday... Limited Ice Accumulation Risk.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

moving northeast at 55 MPH...

&&

$$



Special Weather Statement

SPECIAL WEATHER STATEMENT
National Weather Service Chicago/Romeoville IL
1236 PM CST Mon Feb 19 2018

ILZ003>006-008-010>014-019>022-INZ001-002-192130-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Lake IN-Porter-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, DeKalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, Joliet, Gary, and Valparaiso
1236 PM CST Mon Feb 19 2018

...Period of Dense Fog Early to Mid Afternoon...

As moist air moves over existing snow cover, dense fog has
developed early this afternoon along and north of the Interstate
80 corridor. Visibility as low as a few hundred feet have been
observed. The fog appears to not last long...only about two to
three hours...before improvement occurs from south to north
occurs.

Allow extra travel time this afternoon and keep extra following
distance from the vehicle ahead of you.

$$

MTF




Flood Advisory

Flood Advisory
National Weather Service Chicago/Romeoville IL
1042 AM CST Mon Feb 19 2018

...The National Weather Service in Chicago has issued a Flood
Advisory for the North Branch Chicago River at Chicago Albany Ave
affecting Cook County...


.Heavy rainfall of 1.5 to 3 inches is likely through Tuesday night with
locally heavier amounts in excess of 3 inches possible. The combination
of this heavy rainfall, frozen ground, and some snow melt will likely
result in flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...If you encounter a flooded roadway...turn around and
find an alternate route.

Additional information can be found at weather.gov/chicago.

&&

ILC031-200442-
/O.NEW.KLOT.FL.Y.0012.180219T1642Z-180222T0330Z/
/NBAI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1042 AM CST Mon Feb 19 2018

The National Weather Service in Chicago has issued a
* Flood Advisory for
  The North Branch Chicago River at Chicago Albany Ave.
* until Wednesday evening.
* At 1000 AM Monday the stage was 1.8 feet.
* Action stage is 5.0 feet.
* Flood stage is 7.0 feet.
* Forecast...The river will rise to near 5.6 feet by early Wednesday
  morning.


&&

LAT...LON 4198 8767 4194 8765 4189 8771 4194 8774
      4196 8781 4203 8775

$$

Izzi




Flood Watch

Flood Watch
National Weather Service Chicago/Romeoville IL
944 AM CST Mon Feb 19 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
192345-
/O.CON.KLOT.FA.A.0001.180220T0000Z-180221T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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
944 AM CST Mon Feb 19 2018 /1044 AM EST Mon Feb 19 2018/

...FLOOD WATCH REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS
EVENING THROUGH LATE TUESDAY NIGHT...

The Flood Watch continues for

* Much of northern Illinois and northwest Indiana.

* From 6 PM CST this evening through late Tuesday night.

* Unseasonably warm and moist air will overspread the region
  beginning today, with several rounds of showers and
  thunderstorms expected between today and Wednesday. Widespread
  rainfall totals between one and a half and four inches are
  likely, with locally heavier totals in excess of four inches
  possible.

* Ground remains frozen, therefore much of the rain will result
  in rapid runoff. In addition, many areas north of I-80 still
  have snow on the ground and melting of this snow will compound
  runoff from heavy rainfall. Ice jam break up is also a
  concern. Expect rises on area rivers and streams that may
  result in flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&

$$

- Izzi




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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