Alert archive / Illinois / River Flood Warnings in 2024

River Flood Warning 23, NWS Lincoln, IL

April 29, 2024Cass County, Mason County, Illinois

NWS Lincoln, IL issued this river flood warning at Apr 29, 2024, 7:51 PM CDT for Cass County, Mason County, Illinois. It took effect at Apr 30, 2024, 2:30 PM CDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2024, 7:51 PM CDT (00:51 UTC)
In effect from
Apr 30, 2024, 2:30 PM CDT
Expired
May 1, 2024, 9:54 AM CDT
In force
19 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
Minor

Counties Cass County, IL, Mason County, IL

The radar

The Lincoln radar (KILX), 64 km from the middle of the area, began a volume at 00:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Sangamon River near Chandlerville (CDLI2).

Action stage
454 ft
Minor stage
456.6 ft
Moderate stage
459 ft
Major stage
462 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 7:37 PM CDTRiver Flood WarningILXMcLean, Tazewell, Woodford13 hr
Apr 29, 8:43 PM CDTRiver Flood WarningILXClay, Richland4 days
Apr 29, 9:53 PM CDTDense Fog AdvisoryILXClark, Clay, Coles, Crawford, Cumberland, Edgar and 5 more11 hr

Nearby

River Flood Warnings in Illinois, 2024Every river flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.