Alert archive / Iowa / River Flood Warnings in 2020

River Flood Warning 4, NWS Quad Cities, IA

March 17, 2020Des Moines County, Iowa; Henderson County, Illinois

NWS Quad Cities, IA issued this river flood warning at Mar 17, 2020, 10:58 AM CDT for Des Moines County, Iowa; Henderson County, Illinois. It took effect at Mar 21, 2020, 1:00 AM CDT. It was in force for 38 days.

The area

The counties it named.

The facts

Issued
Mar 17, 2020, 10:58 AM CDT (15:58 UTC)
In effect from
Mar 21, 2020, 1:00 AM CDT
Expired
Apr 27, 2020, 11:13 PM CDT
In force
38 days
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Des Moines County, IA, Henderson County, IL

The radar

The Quad Cities radar (KDVN), 91 km from the middle of the area, began a volume at 16:00 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 Mississippi River at Gladstone (GLDI2).

Action stage
9 ft
Minor stage
10 ft
Moderate stage
12 ft
Major stage
14 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 Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 17, 10:55 AM CDTRiver Flood WatchDVNDes Moines, Louisa21 days
Mar 17, 10:58 AM CDTRiver Flood WarningDVNDes Moines, Lee42 days

Nearby

River Flood Warnings in Iowa, 2020River Flood Warnings in Illinois, 2020Every river flood warning in 2020

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.