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 occurring and minor flooding is forecast. Impacts: At 11.0 feet, 187th Street threatened in Glenwood. Where: Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. When: From this evening to Thursday 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 Wednesday afternoon.
Full official description
Bulletin details
...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...From this evening to Thursday afternoon. * IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... At 8:30 PM CDT Tuesday the stage was 9.6 feet. Forecast...The river is expected to rise to a crest of 10.7 feet just after midnight tonight. It will then fall below flood stage late Thursday morning. 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 11 at 8:48PM CDT until August 13 at 4:00PM 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