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Flood Advisory

Flood Advisory
National Weather Service Chicago/Romeoville IL
410 PM CDT Fri Jul 21 2017

...The National Weather Service in Chicago has issued a Flood
Advisory for the North Branch Chicago River...

  North Branch Chicago River at Chicago Albany Ave affecting Cook
  County


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.

&&

ILC031-220910-
/O.NEW.KLOT.FL.Y.0158.170722T0600Z-170724T0000Z/
/NBAI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
410 PM CDT Fri Jul 21 2017

The National Weather Service in Chicago has issued a
* Flood Advisory for
  The North Branch Chicago River at Chicago Albany Ave.
* From late tonight to Sunday evening.
* At  400 PM Friday the stage was 4.4 feet.
* Action stage is 5.0 feet.
* Flood stage is 7.0 feet.
* Forecast...The river will rise to near 6.6 feet by Saturday
  afternoon.


&&

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

$$





Flash Flood Watch

Flood Watch
National Weather Service Chicago/Romeoville IL
310 PM CDT Fri Jul 21 2017

ILZ003>006-008-010>014-019>022-220415-
/O.CON.KLOT.FF.A.0004.170721T2100Z-170722T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, Dekalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, and Joliet
310 PM CDT Fri Jul 21 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central Illinois and northeast Illinois,
  including the following areas, in north central Illinois,
  Boone, De Kalb, La Salle, Lee, Ogle, and Winnebago. In
  northeast Illinois, Cook, DuPage, Grundy, Kane, Kendall, Lake
  IL, McHenry, and Will.

* Through Saturday morning.

* Multiple rounds of thunderstorms producing torrential rainfall
  with rates up to two inches per hour are likely to move across
  portions of north central and northeast Illinois late this
  afternoon through early Saturday morning.

* Additional heavy rainfall could exacerbate flooding already
  occurring across portions of northern Illinois...producing new
  rises on area rivers and creeks. With the ground already
  saturated in many areas...heavy rainfall will likely quickly
  produce runoff and produce flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

Rodriguez




Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1249 PM CDT Fri Jul 21 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
221800-
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-
1249 PM CDT Fri Jul 21 2017 /149 PM EDT Fri Jul 21 2017/

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

.DAY ONE...This Afternoon and Tonight.

WEATHER HAZARDS EXPECTED:
  Significant Thunderstorm Risk...with an associated:
      Significant Thunderstorm Wind Damage Risk...up to 70 mph.
      Elevated Hail Risk...up to quarter size.
      Limited Tornado Risk.
  Significant Flooding Risk.
  Significant Excessive Heat Risk this afternoon.

DISCUSSION:

Thunderstorm potential will increase late this afternoon through
early Saturday morning, with the potential to produce torrential rainfall
and flash flooding. Strong to severe storms will be most likely
from late this afternoon through this evening, with damaging winds
the primary severe weather threat, in addition to very heavy rainfall.
Behind the initial line of storms, additional heavy rain producing
thunderstorms will likely develop for some areas.
Heaviest rainfall amounts, in excess of 1.5 inches or more, are expected to
occur primarily over far northern Illinois north of Interstate 80.

Heat index readings will approach 105 degrees both today and
Saturday, mainly along and south of Interstate 80.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...
  Limited Flooding Risk.
  Elevated Severe Thunderstorm Risk.
  Elevated Excessive Heat Risk.
Sunday...
  Limited Severe Thunderstorm Risk.
Thursday...
  Limited Thunderstorm Risk.

In addition, flooding will continue along portions of the Fox and
Des Plaines Rivers.

.SPOTTER INFORMATION STATEMENT...

Spotters will likely be needed beginning this evening.

GENERAL STORM MOTION OF THE DAY:

Toward the east-southeast at 35 to 40 mph.

&&

$$



Flood Advisory

Flood Advisory
National Weather Service Chicago/Romeoville IL
839 AM CDT Fri Jul 21 2017

...The Flood Advisory continues for the Des Plaines River...
  Des Plaines River at River Forest affecting Cook County

...The National Weather Service in Chicago has issued a Flood
Advisory for the Fox River...
  Fox River at Dayton affecting La Salle County


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.

&&

ILC031-220138-
/O.EXT.KLOT.FL.Y.0149.000000T0000Z-170728T0630Z/
/RVFI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
839 AM CDT Fri Jul 21 2017

The Flood Advisory continues for
  The Des Plaines River at River Forest
* until Friday July 28.
* At  800 AM Friday the stage was 15.1 feet.
* Action stage is 13.0 feet.
* Flood stage is 16.0 feet.
* Forecast...The river will continue to fall.

&&

LAT...LON 4196 8790 4197 8780 4187 8777 4186 8787


$$
ACS




Flood Warning

Flood Statement
National Weather Service Chicago/Romeoville IL
832 AM CDT Fri Jul 21 2017

...The Flood Warning continues for the following rivers in
Illinois...

  Des Plaines River near Gurnee affecting Lake County
  Des Plaines River at Lincolnshire affecting Lake County
  Des Plaines River near Des Plaines affecting Cook County
  Des Plaines River at Riverside affecting Cook County
  Fox River at Algonquin Tailwater affecting Kane and McHenry
  Counties
  Fox River at Montgomery affecting Kane and Kendall Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

ILC031-220331-
/O.EXT.KLOT.FL.W.0097.000000T0000Z-000000T0000Z/
/DSPI2.3.ER.170712T1631Z.170714T1100Z.000000T0000Z.NR/
832 AM CDT Fri Jul 21 2017

The Flood Warning continues for
  The Des Plaines River near Des Plaines.
* until further notice.
* At  745 AM Friday the stage was 17.8 feet.
* Flood stage is 15.0 feet.
* Recent activity...Gage datum was changed by 10 feet on Nov 14 2014.
  Flood thresholds and flood impacts are now 10 feet higher than
  previous values.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to a stage of 17.2 feet
  by Saturday morning, and then rise again Saturday afternoon.
* Impact...At 17.0 feet...Water on pavement of 1700 block of Busse
  Highway, at River Rd and Gregory, Central Road, and Big Bend Drive.

&&

LAT...LON 4212 8784 4196 8780 4196 8790 4212 8794


$$



Flood Warning

Flood Statement
National Weather Service Chicago/Romeoville IL
832 AM CDT Fri Jul 21 2017

...The Flood Warning continues for the following rivers in
Illinois...

  Des Plaines River near Gurnee affecting Lake County
  Des Plaines River at Lincolnshire affecting Lake County
  Des Plaines River near Des Plaines affecting Cook County
  Des Plaines River at Riverside affecting Cook County
  Fox River at Algonquin Tailwater affecting Kane and McHenry
  Counties
  Fox River at Montgomery affecting Kane and Kendall Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

ILC031-220331-
/O.EXT.KLOT.FL.W.0103.000000T0000Z-170724T0600Z/
/RVRI2.1.ER.170720T1348Z.170721T1030Z.170724T0000Z.UU/
832 AM CDT Fri Jul 21 2017

The Flood Warning continues for
  The Des Plaines River at Riverside.
* until late Sunday night.
* At  745 AM Friday the stage was 7.5 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to rise near 7.5 feet by this
  afternoon. The river will fall below flood stage by Sunday evening.
* Impact...At 7.5 feet...Park areas are inundated near Salt Creek.

&&

LAT...LON 4187 8777 4183 8776 4174 8780 4178 8791
      4184 8786 4186 8787

$$





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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