Alert archive / Michigan / River Flood Advisories in 2011

River Flood Advisory 162, NWS Grand Rapids, MI

August 2, 2011Ingham County, Michigan

NWS Grand Rapids, MI issued this river flood advisory at Aug 2, 2011, 10:39 AM EDT for Ingham County, Michigan. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 2, 2011, 10:39 AM EDT (14:39 UTC)
Expired
Aug 5, 2011, 11:14 AM EDT
In force
3 days
Issued by
NWS Grand Rapids, MI

County Ingham County, MI

The radar

The Detroit radar (KDTX), 75 km from the middle of the area, began a volume at 14:39 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 Sycamore Creek near Holt (HHTM4).

Action stage
6 ft
Minor stage
8 ft
Moderate stage
9 ft
Major stage
10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04112850, 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 Aug 2, 7:35 AM EDT, 3 hours 4 minutes earlier.

Area forecast discussion, Aug 2, 7:35 AM EDT, 3 hours 4 minutes before
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Hazardous weather outlook, Aug 2, 5:23 AM EDT, 5 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
523 AM EDT TUE AUG 2 2011

MIZ037>040-043>046-050>052-056>059-064>067-071>074-030930-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
523 AM EDT TUE AUG 2 2011

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

.DAY ONE...TODAY AND TONIGHT
STRONG TO SEVERE THUNDERSTORMS WITH DAMAGING WINDS...HAIL AND
ISOLATED TORNADOES WILL BE POSSIBLE FROM MID AFTERNOON UNTIL
ABOUT MIDNIGHT. THE GREATEST THREAT IS FOR DAMAGING WINDS.
FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO EXPECTED WITH THESE
STORMS. A LINE OF STRONG TO SEVERE STORMS IS EXPECTED TO FORM IN
FRONT THE COLD FRONT DURING THE MID TO LATE AFTERNOON...THEN TRACK
SOUTHEAST AROUND 40 MPH. THE STRONGEST STORMS MAY MOVE FASTER THAN
THAT AND TRACK IN A MORE SOUTHERLY DIRECTION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A CHANCE OF THUNDERSTORMS AGAIN FRIDAY AND SUNDAY AS A
COUPLE OF FRONTAL SYSTEMS SLIDE ACROSS THE REGION.

.SPOTTER INFORMATION STATEMENT...
DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY.
SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

LMZ844>849-030930-
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-
523 AM EDT TUE AUG 2 2011

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

.DAY ONE...TODAY AND TONIGHT

SOUTH WINDS WILL INCREASE TO 15 TO 25 KNOTS DURING THE EARLY AFTERNOON
AND TO NEAR 30 KNOTS DURING THE EVENING. THIS WILL RESULT IN WAVES
BUILDING TO 8 FEET BY EVENING. THESE CONDITIONS ARE DANGEROUS TO
SMALL WATER CRAFT. NUMEROUS THUNDERSTORMS THIS AFTERNOON ALSO
WILL POSE A THREAT TO WATER CRAFT THROUGH MIDNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WINDS AND WAVES WILL REMAIN HAZARDOUS TO SMALL WATER CRAFT THROUGH
WEDNESDAY EVENING.

ADDITIONAL THUNDERSTORMS ARE EXPECTED FRIDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...
DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY.
SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.

WDM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 11:26 AM EDTFlash Flood WatchGRRAllegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more15 hr
Aug 2, 7:15 PM EDTSpecial Marine WarningGRR2 hr

Nearby

River Flood Advisories in Michigan, 2011Every 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.