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Ended official alertUpdated

Flood Warning for Cook, IL; Lake, IN

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
Cook, Lake
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

What: Minor flooding is forecast. Impacts: At 12.5 feet, most areas outside of the levee-protected area are inundated in Hammond and Munster. Where: Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. When: Until Sunday...

What the bulletin says to do

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued Sunday afternoon at 330 PM CDT.

Full official description

Bulletin details

...The Flood Warning is extended for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. Thorn Creek at Thornton affecting Cook County. For the Little Calumet River...including Munster (Hohman Avenue)... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...Until Sunday afternoon. * IMPACTS...At 12.5 feet, most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... At 9:00 PM CDT Saturday, the stage was 12.0 feet. Forecast...The river is expected to rise above flood stage late this evening to a crest of 12.3 feet tomorrow morning. It will then fall below flood stage late tomorrow morning or during the early afternoon. Flood stage is 12.0 feet. http://www.weather.gov/safety/flood

Lifecycle record

Official revisions

2 captured
  1. Update

    Flood Warning issued August 1 at 9:30PM CDT until August 2 at 4:00PM CDT by NWS Chicago IL

    Official revision
  2. Alert

    Flood Warning issued August 1 at 4:50PM CDT until August 2 at 7:00AM CDT by NWS Chicago IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections