Alert archive / Iowa / River Flood Warnings in 2018

River Flood Warning 102, NWS Quad Cities, IA

September 11, 2018Des Moines County, Henry County, Lee County, Iowa

NWS Quad Cities, IA issued this river flood warning at Sep 11, 2018, 8:30 AM CDT for Des Moines County, Henry County, Lee County, Iowa. It took effect at Sep 11, 2018, 10:42 AM CDT. It was in force for 62 hr.

The area

The counties it named.

The facts

Issued
Sep 11, 2018, 8:30 AM CDT (13:30 UTC)
In effect from
Sep 11, 2018, 10:42 AM CDT
Expired
Sep 14, 2018, 1:00 AM CDT
In force
62 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Des Moines County, IA, Henry County, IA, Lee County, IA

The radar

The Quad Cities radar (KDVN), 109 km from the middle of the area, began a volume at 13:29 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 Skunk River at Augusta (AGSI4).

Action stage
14 ft
Minor stage
15 ft
Moderate stage
17 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05474000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in Iowa, 2018Every river flood warning in 2018

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.