Alert archive / Michigan / River Flood Warnings in 2009

River Flood Warning 46, NWS Grand Rapids, MI

April 29, 2009Kent County, Michigan

NWS Grand Rapids, MI issued this river flood warning at Apr 29, 2009, 10:27 PM EDT for Kent County, Michigan. It took effect at Apr 30, 2009, 2:00 AM EDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2009, 10:27 PM EDT (02:27 UTC)
In effect from
Apr 30, 2009, 2:00 AM EDT
Expired
May 1, 2009, 10:52 AM EDT
In force
33 hr
Issued by
NWS Grand Rapids, MI
Flood severity
Minor

County Kent County, MI

The radar

The Grand Rapids radar (KGRR), 15 km from the middle of the area, began a volume at 02:30 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 Grand River at Lowell (LWLM4).

Action stage
10 ft
Minor stage
15 ft
Moderate stage
18 ft
Major stage
20 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.

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 11:51 AM EDTRiver Flood WarningGRRKalamazoo23 hr
Apr 30, 12:17 PM EDTRiver Flood AdvisoryGRRIngham23 hr
Apr 30, 12:17 PM EDTRiver Flood AdvisoryGRRClinton34 hr

Nearby

River Flood Warnings in Michigan, 2009Every 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.