Alert archive / Michigan / Lake Effect Snow Advisories in 2011

Lake Effect Snow Advisory 2, NWS Grand Rapids, MI

January 21, 20116 counties in Michigan

NWS Grand Rapids, MI issued this lake effect snow advisory at Jan 21, 2011, 3:19 PM EST for 6 counties in Michigan. It took effect at Jan 22, 2011, 12:00 AM EST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2011, 3:19 PM EST (20:19 UTC)
In effect from
Jan 22, 2011, 12:00 AM EST
Expired
Jan 22, 2011, 3:54 PM EST
In force
16 hr
Issued by
NWS Grand Rapids, MI

Counties Lake County, MI, Mason County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ottawa County, MI

The radar

The Grand Rapids radar (KGRR), 88 km from the middle of the area, began a volume at 20:24 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.

What forecasters said that day

The local office's own words before this lake effect snow 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 lake effect snow advisory went out at Jan 21, 12:46 PM EST, 2 hours 33 minutes earlier.

Area forecast discussion, Jan 21, 12:46 PM EST, 2 hours 33 minutes before
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Hazardous weather outlook, Jan 21, 11:40 AM EST, 3 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1140 AM EST FRI JAN 21 2011

MIZ037>040-043>046-050>052-056>059-064>067-071>074-220930-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
1140 AM EST FRI JAN 21 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

AS ONE LAKE EFFECT SNOW EVENT DIMINISHES THE NEXT ONE IS ON THE WAY
FOR LATE TONIGHT. DRY AIR FROM WISCONSIN WILL CONTINUE TO DIMINISHED
THE INTENSITY OF THE SNOW SHOWERS THIS AFTERNOON. WHAT SNOW SHOWERS
THERE ARE WILL CONTINUE TO STAY WEST OF ROUTE 131.

BY MIDNIGHT TONIGHT A SOUTHWEST WIND FLOW LAKE EFFECT EVENT WILL
BEGIN BRINGING MORE SNOW TO THE LAKE SHORE AREA NORTH OF HOLLAND AND
AS FAR INLAND AS ROUTE 131 FROM NEWYAGO COUNTY NORTH. EXPECT 2 TO 4
INCHES BY MORNING IN THOSE AREAS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

MORE ACCUMULATING LAKE EFFECT SNOW IS EXPECTED ON SATURDAY WEST OF
HIGHWAY 131. UP TO 5 INCHES IS POSSIBLE ALONG THE LAKESHORE NORTH OF
HOLLAND INCLUDING MUSKEGON AND LUDINGTON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS WOULD BE
GREATLY APPRECIATED. USE OUR WEATHER SPOTTER REPORT FORM AT:
WWW.WEATHER.GOV/GRR/SPOTTER.

LMZ844>849-220930-
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-
1140 AM EST FRI JAN 21 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

NORTHWEST WINDS 30 KNOTS AND HEAVY FREEZING SPRAY WILL BE A HAZARD
TO MARINERS THIS AFTERNOON AND THIS EVENING. THE FREEZING SPRAY
THREAT...WILL GRADUALLY THIS EVENING. SNOW SHOWERS WILL RESTRICT
VISIBILITIES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

WINDS AND WAVES WILL BE HAZARDOUS TO SMALL CRAFT SATURDAY AND
SATURDAY NIGHT. SNOW SHOWERS WILL RESTRICT VISIBILITIES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MEADE WDM

In the hours before

Local storm report, Jan 21, 9:57 AM EST, 5 hours 22 minutes before
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Local storm report, Jan 21, 10:15 AM EST, 5 hours 4 minutes before
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Local storm report, Jan 21, 11:23 AM EST, 3 hours 56 minutes before
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Local storm report, Jan 21, 1:23 PM EST, 1 hour 56 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 10:48 AM ESTSmall Craft AdvisoryGRR11 hr

Nearby

Lake Effect Snow Advisories in Michigan, 2011Every lake effect snow 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.