Flood Advisory
NWS Chicago IL ยท US
Details
Flood Advisory In Effect Until 9 AM CDT This Morning
- Event
- Flood Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
What
Flooding caused by excessive rainfall is expected.
Where
Boone County in north central Illinois... Winnebago County in north central Illinois... Lake IL County in northeastern Illinois... McHenry County in northeastern Illinois...
When
Until 900 AM CDT.
Impacts
Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.
Additional details
- At 324 AM CDT, Doppler radar indicated heavy rain due to thunderstorms producing rainfall amounts in excess of one inch per hour. Minor flooding is ongoing or expected to begin shortly in the advisory area. One to two inches of rain has fallen. - Additional rainfall amounts of one to two inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Rockford, Waukegan, Buffalo Grove, Crystal Lake, Wheeling, North Chicago, Gurnee, Mundelein, Algonquin, Highland Park, Lake in the Hills, Round Lake Beach, McHenry, Belvidere, Vernon Hills, Woodstock, Zion, Huntley, Loves Park, Machesney Park, Grayslake and Libertyville. - http://www.weather.gov/safety/flood
Instructions
A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.
Affected areas
- Boone County, IL
- Lake County, IL
- McHenry County, IL
- Winnebago County, IL
Public contact
- Issuer
- NWS Chicago IL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~30s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2WCHTW51S5Q5NZEMWR31PZ2
- Identifier
- urn:oid:2.49.0.1.840.0.f31ddafd6ae120c22084d07143b8dd8ce785f62b.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.4505
- 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 | NWS |
| NationalWeatherService | FAY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FLSLOT |
| WMOidentifier | WGUS83 KLOT 190829 |
| NWSheadline | FLOOD ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.KLOT.FA.Y.0120.260919T0829Z-260919T1400Z/ |
| eventEndingTime | 2026-09-19T09:00:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Boone County, IL
- Lake County, IL
- McHenry County, IL
- Winnebago County, IL
| Name | Value |
|---|---|
| SAME | 017007 |
| SAME | 017097 |
| SAME | 017111 |
| SAME | 017201 |
| UGC | ILC007 |
| UGC | ILC097 |
| UGC | ILC111 |
| UGC | ILC201 |
- Polygons
- 42.49,-87.8 42.47,-87.79 42.38,-87.79 42.29,-87.82 42.15,-87.75 42.15,-89.17 42.2,-89.17 42.2,-89.4 42.5,-89.4 42.49,-87.8