Alert archive / Michigan / Gale Warnings in 2020

Gale Warning 47, NWS Marquette, MI

October 30, 2020

NWS Marquette, MI issued this gale warning at Oct 30, 2020, 4:45 PM EDT. It took effect at Oct 31, 2020, 8:00 AM EDT. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 30, 2020, 4:45 PM EDT (20:45 UTC)
In effect from
Oct 31, 2020, 8:00 AM EDT
Expired
Oct 31, 2020, 11:00 PM EDT
In force
15 hr
Issued by
NWS Marquette, MI

What forecasters said that day

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

NWS Marquette, MI wrote its last area forecast discussion before this gale warning went out at Oct 30, 4:05 PM EDT, 40 minutes earlier.

Area forecast discussion, Oct 30, 4:05 PM EDT, 40 minutes before
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Hazardous weather outlook, Oct 30, 4:33 PM EDT, 12 minutes before
Hazardous Weather Outlook
National Weather Service Marquette MI
433 PM EDT Fri Oct 30 2020

MIZ001>007-009>012-084-085-311200-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Southern Houghton-
Northern Schoolcraft-
433 PM EDT Fri Oct 30 2020 /333 PM CDT Fri Oct 30 2020/

This Hazardous Weather Outlook is for portions of western Upper
Michigan and central Upper Michigan.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Strong northwesterly winds will build waves to 15 to 20 feet
along the lakeshores of Lake Superior east of Marquette on Sunday.
This will result in beach erosion and lakeshore flooding.

Strong northwesterly winds will build waves to 10 to 15 feet
along the Lake Superior lakeshores of western Upper Michigan
between the Porcupine Mountains and Copper Harbor on Sunday. This
will result in beach erosion and some lakeshore flooding.

Strong southerly winds of 35 to 45 mph will be possible on
Saturday, highest near the Great Lakes shorelines of central and
portions of eastern Upper Michigan. Strong north to northwest
winds 45 to 55 mph will be possible Sunday, highest near the Lake
Superior lakeshores and across the Keweenaw Peninsula. These winds
could lead to isolated power outages.

Periods of moderate to heavy lake effect snow will be possible in
the north to northwest wind snow belts late Saturday night into
Sunday. The snow will diminish from west to east Sunday afternoon.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

MIZ013-014-311200-
Delta-Southern Schoolcraft-
433 PM EDT Fri Oct 30 2020

This Hazardous Weather Outlook is for portions of central Upper
Michigan.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

South to southwest winds will build waves to 7 to 15 feet along
the Lake Michigan lakeshores which will lead to some beach erosion
and lakeshore flooding Saturday afternoon into early Sunday
morning. The largest waves will occur east of Manistique. See the
latest Coastal Flood Statement for further details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

LMZ221-248-250-311200-
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
433 PM EDT Fri Oct 30 2020

This Hazardous Weather Outlook is for portions of Northern Lake
Michigan.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

South to southwest gales to 45 are possible Saturday, followed by
northwest gales of 40 to 45 knots on Sunday. See the latest
northern Lake Michigan and Bay of Green Bay Marine Weather Message
and Nearshore Marine Forecast for further details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

LSZ162-240>251-263>267-311200-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
433 PM EDT Fri Oct 30 2020 /333 PM CDT Fri Oct 30 2020/

This Hazardous Weather Outlook is for portions of Eastern Lake
Superior...Central Lake Superior and Western Lake Superior.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Southerly gales of 40 to 45 knots are expected on Saturday over
the east half of Lake Superior. West gales of 35 to 40 knots are
expected across much of Lake Superior late Saturday night.
Northwest gales of 35 to 45 knots are expected on Sunday with a
period of storm force winds up to 50 knots possible across
portions of central and eastern Lake Superior. See the latest
Lake Superior open lake marine forecast and Marine Weather Message
for further details.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

JH

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 4:13 PM EDTLakeshore Flood WarningMQTSchoolcraft35 hr
Oct 30, 4:13 PM EDTLakeshore Flood AdvisoryMQTDelta, Houghton, Ontonagon46 hr
Oct 30, 4:45 PM EDTSmall Craft AdvisoryMQT12 hr

Nearby

Gale Warnings in Michigan, 2020Every gale warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.