Flood Warning
NWS Chicago IL ยท US
Details
Flood Warning In Effect From Early Sunday Morning To Late Sunday Night
- Event
- Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties.
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
From early Sunday morning to late Sunday night.
Impacts
At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster.
Additional details
- At 8:00 PM CDT Saturday the stage was 6.7 feet. - Forecast...The river is expected to rise above flood stage early Sunday morning to a crest of 13.8 feet early tomorrow afternoon. It will then fall below flood stage late tomorrow evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Instructions
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 Sunday afternoon.
Affected areas
- Cook County, IL
- Lake County, IN
Public contact
- Issuer
- NWS Chicago IL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~47s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2Y8ZY7QWX2FZSRFAJN1TWAE
- Identifier
- urn:oid:2.49.0.1.840.0.c9ee179fe7eea40ca0b5ebfbe70617485e1247ea.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Chicago IL
- AWIPS ID
- CAPLOT
- NWWS sequence
- nwws_processor.3307
- WMO heading
- XOUS53
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 53
Event codes
| Name | Value |
|---|---|
| SAME | FLW |
| NationalWeatherService | FLW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FLWLOT |
| WMOidentifier | WGUS43 KLOT 200205 |
| NWSheadline | FLOOD WARNING IN EFFECT FROM EARLY SUNDAY MORNING TO LATE SUNDAY NIGHT |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KLOT.FL.W.0073.260920T1041Z-260921T0800Z/ |
| eventEndingTime | 2026-09-21T03:00:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Cook County, IL
- Lake County, IN
| Name | Value |
|---|---|
| SAME | 017031 |
| SAME | 018089 |
| UGC | ILC031 |
| UGC | INC089 |
- Polygons
- 41.63,-87.56 41.59,-87.4 41.53,-87.43 41.57,-87.58 41.63,-87.56