Alert archive / Michigan / Small Craft Advisories in 2020

Small Craft Advisory 101, NWS Marquette, MI

September 24, 2020

NWS Marquette, MI issued this small craft advisory at Sep 24, 2020, 10:40 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 24, 2020, 10:40 AM EDT (14:40 UTC)
Expired
Sep 24, 2020, 8:00 PM EDT
In force
9 hr
Issued by
NWS Marquette, MI

What forecasters said that day

The local office's own words before this small craft advisory 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 small craft advisory went out at Sep 24, 7:38 AM EDT, 3 hours 2 minutes earlier.

Area forecast discussion, Sep 24, 7:38 AM EDT, 3 hours 2 minutes before
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Hazardous weather outlook, Sep 24, 4:36 AM EDT, 6 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Marquette MI
436 AM EDT Thu Sep 24 2020

MIZ001>007-009>014-084-085-250845-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
436 AM EDT Thu Sep 24 2020 /336 AM CDT Thu Sep 24 2020/

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

.DAY ONE...Today and Tonight

There is a chance for a few thunderstorms today, mainly south.

There is a moderate to high swim risk for the Lake Superior
beaches of Marquette County today.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance for thunderstorms Friday night into Saturday,
and then again Saturday night into Sunday. Additional thunderstorms
may be possible early next week.

There is a high swim risk for the Lake Superior beaches of
Schoolcraft County Friday.

.SPOTTER INFORMATION STATEMENT...

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

LMZ221-248-250-250845-
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-
436 AM EDT Thu Sep 24 2020

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

.DAY ONE...Today and Tonight

Thunderstorms are possible today.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance of thunderstorms Friday night into Saturday,
and then again Saturday night into Sunday. Additional
thunderstorms may be possible early next week.

.SPOTTER INFORMATION STATEMENT...

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

LSZ162-240>251-263>267-250845-
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-
436 AM EDT Thu Sep 24 2020 /336 AM CDT Thu Sep 24 2020/

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

.DAY ONE...Today and Tonight

No hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance of thunderstorms Friday night into Saturday, and
then again Saturday night into Sunday. Additional thunderstorms
may be possible early next week.

.SPOTTER INFORMATION STATEMENT...

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

NJL

In the hours before

Local storm report, Sep 24, 8:30 AM EDT, 2 hours 10 minutes before
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Local storm report, Sep 24, 8:44 AM EDT, 1 hour 56 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 9:45 PM EDTSpecial Weather StatementMQTDickinson45 min
Sep 24, 1:43 AM EDTSpecial Weather StatementMQTIron47 min
Sep 24, 4:42 AM EDTBeach Hazards StatementMQTMarquette17 hr

Nearby

Small Craft Advisories in Michigan, 2020Every small craft advisory 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.