Alert archive / Iowa / River Flood Warnings in 2022

River Flood Warning 18, NWS Sioux Falls, SD

July 10, 2022Dickinson County, Iowa

NWS Sioux Falls, SD issued this river flood warning at Jul 10, 2022, 7:45 AM CDT for Dickinson County, Iowa. It was in force for 4 days.

The area

The counties it named.

The facts

Issued
Jul 10, 2022, 7:45 AM CDT (12:45 UTC)
Expired
Jul 14, 2022, 3:32 AM CDT
In force
4 days
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Flood severity
Minor

County Dickinson County, IA

The radar

The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 12:45 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 Little Sioux River near Montgomery (MLSI4).

Action stage
1390 ft
Minor stage
1391 ft
Moderate stage
1393 ft
Major stage
1394.5 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.

Nearby

River Flood Warnings in Iowa, 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.