Alert archive / Iowa / River Flood Warnings in 2019

River Flood Warning 185, NWS Sioux Falls, SD

May 25, 2019Clay County, Iowa

NWS Sioux Falls, SD issued this river flood warning at May 25, 2019, 10:47 AM CDT for Clay County, Iowa. It was in force for 10 days.

The area

The counties it named.

The facts

Issued: May 25, 2019, 10:47 AM CDT (15:47 UTC)
Expired: Jun 4, 2019, 6:11 AM CDT
In force: 10 days
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Minor

County Clay County, IA

The radar

The Sioux Falls radar (KFSD), 139 km from the middle of the area, began a volume at 15:46 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 Ocheyedan River near Spencer (SPOI4).

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 9.5 ft
Major stage: 10.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06605000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at May 24, 6:11 PM CDT, 16 hours 36 minutes earlier.

Area forecast discussion, May 24, 6:11 PM CDT, 16 hours 36 minutes before

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Nearby

River Flood Warnings in Iowa, 2019 Every river flood warning in 2019

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.