Alert archive / Illinois / River Flood Warnings in 2022

River Flood Warning 13, NWS Chicago, IL

March 31, 2022Bureau County, LaSalle County, Putnam County, Illinois

NWS Chicago, IL issued this river flood warning at Mar 31, 2022, 10:43 AM CDT for Bureau County, LaSalle County, Putnam County, Illinois. It took effect at Mar 31, 2022, 3:43 PM CDT. It was in force for 12 days.

The area

The counties it named.

The facts

Issued
Mar 31, 2022, 10:43 AM CDT (15:43 UTC)
In effect from
Mar 31, 2022, 3:43 PM CDT
Expired
Apr 12, 2022, 6:44 AM CDT
In force
12 days
Issued by
NWS Chicago, IL
Area
Storm-based polygon
Flood severity
Minor

Counties Bureau County, IL, LaSalle County, IL, Putnam County, IL

The radar

The Chicago radar (KLOT), 101 km from the middle of the area, began a volume at 15:43 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 Illinois River near La Salle (LSLI2).

Action stage
19 ft
Minor stage
20 ft
Moderate stage
27 ft
Major stage
31 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 411925089063901, 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 Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 10:29 AM CDTRiver Flood WatchLOTIroquois22 hr
Mar 31, 10:43 AM CDTRiver Flood WatchLOTGrundy, LaSalle10 hr
Mar 31, 10:43 AM CDTRiver Flood WarningLOTLaSalle56 hr
Mar 31, 3:18 PM CDTSmall Craft AdvisoryLOT24 hr

Nearby

River Flood Warnings in Illinois, 2022Every river flood warning in 2022

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.