Alert archive / Wisconsin / Special Marine Warnings in 2024

Special Marine Warning 21, NWS Green Bay, WI

August 27, 2024

NWS Green Bay, WI issued this special marine warning at Aug 27, 2024, 1:41 AM CDT. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 27, 2024, 1:41 AM CDT (06:41 UTC)
Expired
Aug 27, 2024, 2:15 AM CDT
In force
34 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
40.0 mph

What forecasters said that day

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

NWS Green Bay, WI wrote its last area forecast discussion before this special marine warning went out at Aug 27, 12:55 AM CDT, 46 minutes earlier.

Area forecast discussion, Aug 27, 12:55 AM CDT, 46 minutes before
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Hazardous weather outlook, Aug 26, 9:12 PM CDT, 4 hours 29 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
912 PM CDT Mon Aug 26 2024

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-280215-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
912 PM CDT Mon Aug 26 2024

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

A line of severe storms is expected to shift into central
Wisconsin by midnight and sweep across much of the area through
the early morning hours. Damaging wind gusts to 60 mph will be
the primary threat. Brief, but torrential downpours will accompany
the storms as well. Severe thunderstorm watch 653 is in effect
until 4 am Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Impactful heat and humidity will continue on Tuesday, though heat
indices are expected to be slightly cooler.

Additional strong to severe storms are possible Tuesday afternoon
and evening, but development is uncertain due to potential impacts
from the the storms that occur later tonight into early Tuesday
morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this evening and overnight.

LMZ521-522-541>543-280215-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
912 PM CDT Mon Aug 26 2024

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

A line of strong to severe storms are expected after midnight.
The primary hazard will be damaging winds. Brief heavy rain will
also accompany the storms. Severe thunderstorm watch 653 is in
effect until 4 am Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Strong to severe storms may be possible Tuesday afternoon and
evening, but development is uncertain due to potential impacts
from the the storms that occur later tonight into early Tuesday
morning. Any storm will pose a threat to mariners.

More thunderstorms are possible Thursday night and Friday morning
which would pose a hazard to mariners.

JLA

In the hours before

Special weather statement, Aug 27, 12:53 AM CDT, 48 minutes before
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Special weather statement, Aug 27, 12:56 AM CDT, 45 minutes before
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Local storm report, Aug 27, 1:14 AM CDT, 27 minutes before
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Local storm report, Aug 27, 1:20 AM CDT, 21 minutes before
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Special weather statement, Aug 27, 1:22 AM CDT, 19 minutes before
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Local storm report, Aug 27, 1:41 AM CDT, 0 minutes before
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The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 26, 10:00 PM CDTSevere Thunderstorm Warning Considerable damage threatGRBLincoln, Marathon, Oneida, Vilas75 min
Aug 26, 10:12 PM CDTSevere Thunderstorm WarningGRBMarathon, Portage, Wood63 min
Aug 26, 11:04 PM CDTSevere Thunderstorm WarningGRBOneida, Vilas41 min
Aug 26, 11:08 PM CDTSevere Thunderstorm WarningGRBLanglade, Lincoln, Marathon, Menominee, Portage, Shawano and 3 more67 min
Aug 26, 11:30 PM CDTSevere Thunderstorm WarningGRBForest, Lincoln, Oneida26 min
Aug 26, 11:45 PM CDTSpecial Weather StatementGRBVilas45 min
Aug 26, 11:53 PM CDTSevere Thunderstorm WarningGRBForest, Langlade, Menominee, Oconto, Outagamie, Shawano and 3 more52 min
Aug 27, 12:13 AM CDTSpecial Marine WarningGRB92 min
Aug 27, 12:25 AM CDTSpecial Marine WarningGRB95 min
Aug 27, 12:26 AM CDTSevere Thunderstorm WarningGRBBrown, Calumet, Door, Kewaunee, Manitowoc, Marinette and 3 more64 min
Aug 27, 12:53 AM CDTSpecial Weather StatementGRBCalumet52 min
Aug 27, 12:56 AM CDTSpecial Weather StatementGRBMarinette34 min
Aug 27, 1:22 AM CDTSpecial Weather StatementGRBBrown, Calumet, Kewaunee, Manitowoc38 min
Aug 27, 1:56 AM CDTSpecial Marine WarningGRB64 min
Aug 27, 7:28 AM CDTSpecial Weather StatementGRBKewaunee32 min
Aug 27, 7:33 AM CDTSpecial Weather StatementGRBManitowoc27 min
Aug 27, 8:27 AM CDTSpecial Weather StatementGRBLincoln, Oneida63 min
Aug 27, 8:44 AM CDTSpecial Marine WarningGRB2 hr
Aug 27, 9:18 AM CDTSpecial Weather StatementGRBWaushara57 min
Aug 27, 9:20 AM CDTSpecial Weather StatementGRBMarathon, Wood40 min
Aug 27, 9:31 AM CDTSpecial Weather StatementGRBForest29 min
Aug 27, 9:36 AM CDTSevere Thunderstorm WarningGRBWaushara39 min
Aug 27, 10:16 AM CDTSpecial Weather StatementGRBWinnebago29 min
Aug 27, 10:35 AM CDTSpecial Weather StatementGRBMenominee, Outagamie, Shawano25 min
Aug 27, 10:44 AM CDTSevere Thunderstorm WarningGRBCalumet, Outagamie, Winnebago31 min
Aug 27, 11:01 AM CDTSevere Thunderstorm WarningGRBBrown, Calumet, Manitowoc, Outagamie44 min
Aug 27, 11:09 AM CDTSpecial Marine WarningGRB96 min
Aug 27, 11:11 AM CDTSpecial Marine WarningGRB53 min
Aug 27, 11:26 AM CDTSevere Thunderstorm WarningGRBBrown, Kewaunee, Manitowoc36 min
Aug 27, 4:12 PM CDTSmall Craft AdvisoryGRB27 hr

Nearby

Special Marine Warnings in Wisconsin, 2024Every special marine warning in 2024

Sources

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