Alert archive / Michigan / River Flood Advisories in 2011

River Flood Advisory 95, NWS Grand Rapids, MI

May 4, 2011Ottawa County, Michigan

NWS Grand Rapids, MI issued this river flood advisory at May 4, 2011, 10:39 PM EDT for Ottawa County, Michigan. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: May 4, 2011, 10:39 PM EDT (02:39 UTC)
Expired: May 5, 2011, 10:36 AM EDT
In force: 12 hr
Issued by: NWS Grand Rapids, MI

County Ottawa County, MI

The radar

The Grand Rapids radar (KGRR), 53 km from the middle of the area, began a volume at 02:36 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 Robinson Township (RBNM4).

Action stage: 13 ft
Minor stage: 13.3 ft
Moderate stage: 15 ft
Major stage: 18 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.

What forecasters said that day

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

NWS Grand Rapids, MI wrote its last area forecast discussion before this river flood advisory went out at May 4, 7:30 PM EDT, 3 hours 9 minutes earlier.

Area forecast discussion, May 4, 7:30 PM EDT, 3 hours 9 minutes before

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Hazardous weather outlook, May 4, 5:50 PM EDT, 4 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
550 PM EDT WED MAY 4 2011

MIZ037>040-043>046-050>052-056>059-064>067-071>074-050845-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
550 PM EDT WED MAY 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TONIGHT

RIVER LEVELS REMAIN HIGH WITH SOME ABOVE FLOOD STAGE BUT WILL
CONTINUE TO SLOWLY FALL.

DAMAGING FROST WILL BE LIKELY TONIGHT WHERE THE GROWING SEASON HAS
BEGUN.  THIS IS GENERALLY ALONG AND SOUTH OF A WHITEHALL TO ST.
JOHNS LINE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

RIVERS WILL REMAIN HIGH BUT GRADUALLY RECEDE. THUNDERSTORMS ARE
POSSIBLE MONDAY AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

LMZ844>849-050845-
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-
550 PM EDT WED MAY 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS ARE POSSIBLE MONDAY AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

93 JK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 4:16 AM EDT	Small Craft Advisory	GRR		22 hr
May 5, 10:36 AM EDT	River Flood Advisory	GRR	Kent	34 hr

Nearby

River Flood Advisories in Michigan, 2011 Every river flood advisory in 2011

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.