River Flood Warning 3, NWS Chicago, IL

Issued

May 10, 2021, 7:28 PM CDT (00:28 UTC)

In effect from

May 11, 2021, 1:00 AM CDT

Expired

May 11, 2021, 8:12 AM CDT

In force

7 hr

Issued by

NWS Chicago, IL

Area

Storm-based polygon

Flood severity

Minor

Counties Bureau County, IL, LaSalle County, IL, Putnam County, IL

The Chicago radar (KLOT), 101 km from the middle of the area, began a volume at 00:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Written for the forecast point Illinois River near La Salle (LSLI2).

Action stage

19 ft

Minor stage

20 ft

Moderate stage

27 ft

Major stage

31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 411925089063901, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

626 
WGUS43 KLOT 110028
FLWLOT

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Chicago IL
728 PM CDT Mon May 10 2021

...The National Weather Service in Chicago IL has issued a Flood 
Warning for the following rivers in Illinois...

  Illinois River at La Salle affecting La Salle, Bureau and Putnam 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means water levels above flood stage are imminent or 
may already occurring. Persons along rivers and streams in the 
warned area should take immediate precautions to protect life and 
property.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov/Chicago and 
water.weather.gov

The next statement is expected around 1030 AM CDT Tuesday morning.

&&


ILC011-099-155-111530-
/O.NEW.KLOT.FL.W.0003.210511T0600Z-210512T0600Z/
/LSLI2.1.ER.210511T0600Z.210511T1200Z.210512T0000Z.NO/
728 PM CDT Mon May 10 2021

The National Weather Service in Chicago has issued a

* Flood Warning for
  the Illinois River at La Salle.
* From late tonight to late Tuesday night.
* At 6:45 PM CDT Monday the stage was 19.5 feet.
* Flood stage is 20.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 20.3 feet tomorrow morning. 
  It will then fall below flood stage tomorrow evening.
* Impact...At 20.0 feet, Agricultural areas in La Salle, Spring 
  Valley, and Peru lowlands are flooded.
* Flood History...This crest compares to a previous crest of 21.9 
  feet on 07/05/2019.


&&

LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899
      4128 8929

$$

Ratzer

079 
WGUS83 KLOT 111312
FLSLOT

Flood Statement
National Weather Service Chicago IL
812 AM CDT Tue May 11 2021

...The Flood Warning is cancelled for the following rivers in 
Illinois...

  Illinois River at La Salle affecting La Salle, Bureau and Putnam 
  Counties.

ILC011-099-155-111415-
/O.CAN.KLOT.FL.W.0003.000000T0000Z-210511T1312Z/
/LSLI2.1.ER.210511T0600Z.210511T1200Z.210512T0000Z.NO/
812 AM CDT Tue May 11 2021

...The Flood Warning for the Illinois River at La Salle has been 
cancelled...

The Flood Warning is cancelled for
  the Illinois River at La Salle.
* At 7:45 AM CDT Tuesday the stage was 19.6 feet.
* Flood stage is 20.0 feet.
* Forecast...The river is no longer forecast to reach the flood 
  stage of 20.0 feet and is expected to fall to 15.2 feet Tuesday 
  morning.


&&

LAT...LON 4131 8940 4135 8933 4137 8898 4128 8899
      4128 8929

$$

RC

River Flood Warnings in Illinois, 2021Every river flood warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.