Flood Warning for Cook, IL
Official alert fields
What you need to know
- Applies to
- Cook
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Minor flooding is forecast. Impacts: At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. Where: Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. When: From this afternoon to Saturday afternoon.
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 by late tonight.
Full official description
Bulletin details
...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Indiana...Illinois... Kankakee River at Shelby affecting Lake IN and Newton Counties. Thorn Creek at Thornton affecting Cook County. For the Kankakee River...including Shelby...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...From this afternoon to Saturday afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... At 8:00 AM CDT Friday the stage was 8.5 feet. Forecast...The river is expected to rise above flood stage this afternoon. It may fall below flood stage as soon as late this evening, although additional rainfall in the forecast may prolong flooding impacts. Flood stage is 9.0 feet. http://www.weather.gov/safety/flood
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Flood Warning issued August 14 at 8:16AM CDT until August 15 at 1:00PM 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
- Alert
- Last collected