Alert archive / Iowa / River Flood Warnings in 2009

River Flood Warning 6, NWS Omaha, NE

April 27, 2009Montgomery County, Iowa

NWS Omaha, NE issued this river flood warning at Apr 27, 2009, 9:20 AM CDT for Montgomery County, Iowa. It took effect at Apr 27, 2009, 12:33 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Apr 27, 2009, 9:20 AM CDT (14:20 UTC)
In effect from: Apr 27, 2009, 12:33 PM CDT
Expired: Apr 27, 2009, 7:20 PM CDT
In force: 7 hr
Issued by: NWS Omaha, NE
Flood severity: Minor

County Montgomery County, IA

The radar

The Omaha radar (KOAX), 106 km from the middle of the area, began a volume at 14:20 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 East Nishnabotna River at Red Oak (RDOI4). The gauge peaked at 17.66 ft at Apr 27, 2009, 1:00 PM CDT.

Action stage: 16 ft
Minor stage: 18 ft
Moderate stage: 22 ft
Major stage: 27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06809500, 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 Omaha, NE wrote its last area forecast discussion before this river flood warning went out at Apr 26, 4:17 PM CDT, 17 hours 3 minutes earlier.

Area forecast discussion, Apr 26, 4:17 PM CDT, 17 hours 3 minutes before

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Hazardous weather outlook, Apr 26, 5:21 PM CDT, 15 hours 59 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Nearby

River Flood Warnings in Iowa, 2009 Every river flood warning in 2009

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.