Alert archive / Iowa / River Flood Warnings in 2023

River Flood Warning 3, NWS Des Moines, IA

February 27, 2023Black Hawk County, Bremer County, Butler County, Iowa

NWS Des Moines, IA issued this river flood warning at Feb 27, 2023, 10:02 PM CST for Black Hawk County, Bremer County, Butler County, Iowa. It took effect at Feb 28, 2023, 11:00 AM CST. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued: Feb 27, 2023, 10:02 PM CST (04:02 UTC)
In effect from: Feb 28, 2023, 11:00 AM CST
Expired: Mar 1, 2023, 9:00 PM CST
In force: 34 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA

The radar

The Des Moines radar (KDMX), 146 km from the middle of the area, began a volume at 04:04 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 Shell Rock River at Shell Rock (SHRI4). The gauge peaked at 13.13 ft at Mar 1, 2023, 2:00 AM CST.

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05462000, 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 Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Feb 27, 5:44 PM CST, 4 hours 18 minutes earlier.

Area forecast discussion, Feb 27, 5:44 PM CST, 4 hours 18 minutes before

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Hazardous weather outlook, Feb 27, 2:31 PM CST, 7 hours 31 minutes before

Hazardous Weather Outlook
National Weather Service Des Moines IA
231 PM CST Mon Feb 27 2023

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-282045-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
231 PM CST Mon Feb 27 2023

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 28, 11:00 AM CST	River Flood Warning	DMX	Black Hawk	3 days

Nearby

River Flood Warnings in Iowa, 2023 Every river flood warning in 2023

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.