Alert archive / Michigan / River Flood Warnings in 2011

River Flood Warning 26, NWS Detroit, MI

May 18, 2011Genesee County, Saginaw County, Michigan

NWS Detroit, MI issued this river flood warning at May 18, 2011, 9:21 PM EDT for Genesee County, Saginaw County, Michigan. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
May 18, 2011, 9:21 PM EDT (01:21 UTC)
Expired
May 20, 2011, 3:33 PM EDT
In force
42 hr
Issued by
NWS Detroit, MI
Flood severity
Minor

Counties Genesee County, MI, Saginaw County, MI

The radar

The Detroit radar (KDTX), 63 km from the middle of the area, began a volume at 01:21 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 Flint River at Flint (FLTM4).

Action stage
11 ft
Minor stage
13 ft
Moderate stage
15 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 04148500, 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 Detroit, MI wrote its last area forecast discussion before this river flood warning went out at May 18, 7:12 PM EDT, 2 hours 9 minutes earlier.

Area forecast discussion, May 18, 7:12 PM EDT, 2 hours 9 minutes before
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Hazardous weather outlook, May 18, 4:02 AM EDT, 17 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
402 AM EDT WED MAY 18 2011

MIZ047>049-053>055-060>063-068>070-075-076-082-083-190815-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
402 AM EDT WED MAY 18 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON
AND TONIGHT AS ANOTHER SURGE OF MOISTURE PUSHES INTO THE REGION.
THESE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE. STORM MOTION
WILL BE NORTHWEST AT 10 TO 15 MPH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A CHANCE OF THUNDERSTORMS THURSDAY AFTERNOON AS A
SHORTWAVE PASSES THROUGH THE REGION.

A WARM FRONT LIFTING INTO THE AREA SATURDAY NIGHT AND SUNDAY WILL
BRING THE NEXT CHANCE OF THUNDERSTORMS ACROSS THE ENTIRE AREA...CONTINUING
INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

LHZ361>363-462>464-190815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM
OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
402 AM EDT WED MAY 18 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON
AND TONIGHT AS ANOTHER SURGE OF MOISTURE PUSHES INTO THE REGION.
THESE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE. STORM MOTION WILL
BE NORTHWEST AT 10 KNOTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A CHANCE OF THUNDERSTORMS THURSDAY AFTERNOON AS A
SHORTWAVE PASSES THROUGH THE REGION.

A WARM FRONT LIFTING INTO THE AREA SATURDAY NIGHT AND SUNDAY WILL
BRING THE NEXT CHANCE OF THUNDERSTORMS ACROSS THE ENTIRE AREA...CONTINUING
INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

LCZ422-423-460-LEZ444-LHZ421-422-441>443-190815-
ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW
BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
402 AM EDT WED MAY 18 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON
AND TONIGHT AS ANOTHER SURGE OF MOISTURE PUSHES INTO THE REGION.
THESE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE. STORM MOTION
WILL BE NORTHWEST AT 10 TO 15 KNOTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A CHANCE OF THUNDERSTORMS THURSDAY AFTERNOON AS A
SHORTWAVE PASSES THROUGH THE REGION.

A WARM FRONT LIFTING INTO THE AREA SATURDAY NIGHT AND SUNDAY WILL
BRING THE NEXT CHANCE OF THUNDERSTORMS ACROSS THE ENTIRE AREA...CONTINUING
INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

KURIMSKI

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).

In the hours before

Special weather statement, May 18, 4:40 PM EDT, 4 hours 41 minutes before
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Local storm report, May 18, 7:27 PM EDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
727 PM EDT WED MAY 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0727 PM     HEAVY RAIN       2 S ARMADA              42.81N 82.88W
05/18/2011  M1.00 INCH       MACOMB             MI   TRAINED SPOTTER

            6 HOUR TOTAL

&&

RKULIK

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 11:12 PM EDTRiver Flood WarningDTXSaginaw, Shiawassee48 hr
May 18, 11:12 PM EDTRiver Flood WarningDTXSaginaw61 hr
May 19, 7:13 AM EDTAreal Flood AdvisoryDTXGenesee6 hr
May 19, 7:24 AM EDTRiver Flood WarningDTXGenesee34 hr
May 19, 7:55 AM EDTAreal Flood AdvisoryDTXLivingston, Shiawassee5 hr

Nearby

River Flood Warnings in Michigan, 2011Every river flood warning 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.