Alert archive / Michigan / Small Craft Advisories in 2017

Small Craft Advisory 87, NWS Marquette, MI

August 21, 2017

NWS Marquette, MI issued this small craft advisory at Aug 21, 2017, 10:47 PM EDT. It took effect at Aug 22, 2017, 9:23 AM EDT. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Aug 21, 2017, 10:47 PM EDT (02:47 UTC)
In effect from
Aug 22, 2017, 9:23 AM EDT
Expired
Aug 24, 2017, 3:00 AM EDT
In force
42 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 Aug 21, 7:53 PM EDT, 2 hours 54 minutes earlier.

Area forecast discussion, Aug 21, 7:53 PM EDT, 2 hours 54 minutes before
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Hazardous weather outlook, Aug 21, 3:47 PM EDT, 7 hours before
Hazardous Weather Outlook
National Weather Service Marquette MI
347 PM EDT Mon Aug 21 2017

MIZ001>007-009>014-084-085-221200-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
347 PM EDT Mon Aug 21 2017 /247 PM CDT Mon Aug 21 2017/

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

.DAY ONE...Tonight

Thunderstorms are possible tonight, mainly across the central and
east. The main hazard expected is heavy rain, which may result in
ponding of water in areas of poor drainage at times.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There will be a moderate to high swim risk along Alger beaches
Tuesday and along Alger and Marquette beaches Wednesday.

.SPOTTER INFORMATION STATEMENT...

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

LSZ162-240>251-263>267-221200-
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-
347 PM EDT Mon Aug 21 2017 /247 PM CDT Mon Aug 21 2017/

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

.DAY ONE...Tonight

Isolated thunderstorms are possible over the southeast half of
Lake Superior tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected.

.SPOTTER INFORMATION STATEMENT...

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

LMZ221-248-250-221200-
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-
347 PM EDT Mon Aug 21 2017

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

.DAY ONE...Tonight

Thunderstorms are possible this evening through the overnight
hours.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected.

.SPOTTER INFORMATION STATEMENT...

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

MZ

In the hours before

Special weather statement, Aug 21, 6:04 PM EDT, 4 hours 43 minutes before
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Local storm report, Aug 21, 6:59 PM EDT, 3 hours 48 minutes before
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Special weather statement, Aug 21, 7:12 PM EDT, 3 hours 35 minutes before
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Special weather statement, Aug 21, 8:01 PM EDT, 2 hours 46 minutes before
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Special weather statement, Aug 21, 9:10 PM EDT, 1 hour 37 minutes before
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Special weather statement, Aug 21, 9:22 PM EDT, 1 hour 25 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 8:01 PM EDTSpecial Weather StatementMQTDickinson74 min
Aug 21, 9:10 PM EDTSpecial Weather StatementMQTAlger50 min
Aug 21, 9:22 PM EDTSpecial Weather StatementMQTBaraga38 min
Aug 22, 4:19 AM EDTBeach Hazards StatementMQTAlger17 hr

Nearby

Small Craft Advisories in Michigan, 2017Every small craft advisory in 2017

Sources

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