Alert archive / Wisconsin / Small Craft Advisories in 2020

Small Craft Advisory 47, NWS Green Bay, WI

May 31, 2020

NWS Green Bay, WI issued this small craft advisory at May 31, 2020, 3:09 PM CDT. It took effect at Jun 1, 2020, 1:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: May 31, 2020, 3:09 PM CDT (20:09 UTC)
In effect from: Jun 1, 2020, 1:00 PM CDT
Expired: Jun 2, 2020, 4:00 AM CDT
In force: 15 hr
Issued by: NWS Green Bay, WI

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 Green Bay, WI wrote its last area forecast discussion before this small craft advisory went out at May 31, 12:24 PM CDT, 2 hours 45 minutes earlier.

Area forecast discussion, May 31, 12:24 PM CDT, 2 hours 45 minutes before

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Hazardous weather outlook, May 31, 2:34 PM CDT, 35 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
234 PM CDT Sun May 31 2020

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-011945-
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-
234 PM CDT Sun May 31 2020

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

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

There is a chance of thunderstorms Monday through Monday evening.
A few of the storms could produce large hail and heavy rainfall.

Increasing south winds will cause building waves which will lead
to a high swim risk along the Lake Michigan shoreline Monday
afternoon into Monday evening.

Another round of thunderstorm is possible Tuesday evening and Tuesday
night, especially across central and east-central Wisconsin.
Some of the storms could be severe and produce large hail and
damaging winds. Heavy rainfall is also possible.

Thunderstorms will be possible at times through the remainder of
the week and during next weekend. It is too early to determine
whether any of these storms could be severe.

Runoff from recent rainfall will continue to produce fast flows
and high water levels on rivers and streams across eastern
Wisconsin through mid-week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

LMZ521-522-541>543-011945-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
234 PM CDT Sun May 31 2020

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

.DAY ONE...Tonight

Winds and waves will produce conditions requiring small craft on
the Bay of Green Bay to exercise extra caution through early this
evening.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Increasing southerly flow may lead to hazardous conditions for
small craft on Lake Michigan Monday afternoon into Monday
evening.

Thunderstorms could pose a hazard to boaters at times during the
upcoming week. Dense fog could also pose a hazard to boaters
late Monday night through Wednesday, especially on Lake Michigan.

KLJ/Skowronski

Nearby

Small Craft Advisories in Wisconsin, 2020 Every 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.