Alert archive / Wisconsin / Special Marine Warnings in 2021

Special Marine Warning 38, NWS Green Bay, WI

August 10, 2021

NWS Green Bay, WI issued this special marine warning at Aug 10, 2021, 7:49 PM CDT. It was in force for 86 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 10, 2021, 7:49 PM CDT (00:49 UTC)
Expired: Aug 10, 2021, 9:15 PM CDT
In force: 86 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 49.0 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 10, 7:14 PM CDT, 35 minutes earlier.

Area forecast discussion, Aug 10, 7:14 PM CDT, 35 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 10, 3:17 PM CDT, 4 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
317 PM CDT Tue Aug 10 2021

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-112030-
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-
317 PM CDT Tue Aug 10 2021

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

.DAY ONE...Tonight

Scattered thunderstorms are expected through this evening. Some
of these storms are expected to become severe with damaging wind
gusts to 60 to 80 mph and large hail. The most likely area for
severe weather is over central and east central WI; roughly south
of a line from Marshfield to Kewaunee, through early evening.
Torrential downpours are expected with any storm which can lead to
urban, rural and river flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

There is a chance of thunderstorms on Wednesday, and again late
Thursday afternoon into Thursday evening. The storms on Wednesday
afternoon may become severe across northeast, central and east
central Wisconsin. Damaging winds, torrential downpours and hail
will be the main threats.

Heat indices will be in the lower to middle 90s across parts of
east central Wisconsin Wednesday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening, and again Wednesday
afternoon.

LMZ521-522-541>543-112030-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
317 PM CDT Tue Aug 10 2021

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

.DAY ONE...Tonight

There is a chance of thunderstorms through this evening. Some of
these storms may become severe with strong winds and torrential
rain.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

Thunderstorms chances continue for Wednesday afternoon and
Thursday afternoon. Any storms would pose a hazard to mariners.

Kieckbusch/Bersch

In the hours before

Local storm report, Aug 10, 6:21 PM CDT, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
621 PM CDT TUE AUG 10 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0603 PM     FUNNEL CLOUD     2 N BLACK CREEK         44.49N 88.44W
08/10/2021                   OUTAGAMIE          WI   LAW ENFORCEMENT

&&

HYKIN

Local storm report, Aug 10, 6:27 PM CDT, 1 hour 22 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREEN BAY WI
627 PM CDT TUE AUG 10 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0618 PM     FUNNEL CLOUD     2 N BLACK CREEK         44.49N 88.44W
08/10/2021                   OUTAGAMIE          WI   LAW ENFORCEMENT

            CORRECTS TIME FOR PREVIOUS REPORT.

&&

HYKIN

Special weather statement, Aug 10, 7:20 PM CDT, 29 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Aug 10, 7:30 PM CDT, 19 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Aug 10, 7:32 PM CDT, 17 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Aug 10, 7:45 PM CDT, 4 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 7:00 PM CDT	Special Marine Warning	GRB		60 min
Aug 10, 7:06 PM CDT	Special Marine Warning	GRB		54 min
Aug 10, 7:11 PM CDT	Flash Flood Warning	GRB	Brown	3 hr
Aug 10, 7:20 PM CDT	Special Weather Statement	GRB	Calumet, Manitowoc	55 min
Aug 10, 7:30 PM CDT	Special Weather Statement	GRB	Door, Marinette	60 min
Aug 10, 7:52 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Kewaunee, Manitowoc	38 min
Aug 10, 7:54 PM CDT	Tornado Warning	GRB	Marinette	25 min
Aug 10, 10:05 PM CDT	Areal Flood Advisory	GRB	Brown	70 min
Aug 11, 3:11 AM CDT	Small Craft Advisory	GRB		19 hr
Aug 11, 11:25 AM CDT	Special Weather Statement	GRB	Oneida	65 min
Aug 11, 11:54 AM CDT	Special Weather Statement	GRB	Lincoln, Marathon, Portage, Wood	51 min
Aug 11, 12:18 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	42 min
Aug 11, 12:30 PM CDT	Special Weather Statement	GRB	Marathon	45 min
Aug 11, 12:38 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	52 min
Aug 11, 12:42 PM CDT	Special Weather Statement	GRB	Florence, Forest	33 min
Aug 11, 12:53 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Marinette	37 min
Aug 11, 12:57 PM CDT	Tornado Warning	GRB	Langlade, Lincoln, Marathon	33 min
Aug 11, 1:04 PM CDT	Tornado Warning	GRB	Marathon	41 min
Aug 11, 1:14 PM CDT	Special Weather Statement	GRB	Shawano	46 min
Aug 11, 1:20 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon, Menominee, Shawano	40 min
Aug 11, 1:24 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Menominee, Portage, Shawano, Waupaca	51 min
Aug 11, 1:31 PM CDT	Severe Thunderstorm Warning	GRB	Oconto, Shawano, Waupaca	44 min
Aug 11, 1:40 PM CDT	Tornado Warning	GRB	Marathon	20 min
Aug 11, 1:54 PM CDT	Areal Flood Advisory	GRB	Marathon, Menominee, Shawano	3 hr
Aug 11, 1:54 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	51 min
Aug 11, 2:07 PM CDT	Tornado Warning	GRB	Brown, Oconto, Shawano	23 min
Aug 11, 2:09 PM CDT	Tornado Warning Tornado observed	GRB	Marathon	51 min
Aug 11, 2:16 PM CDT	Flash Flood Warning	GRB	Marathon	5 hr
Aug 11, 2:25 PM CDT	Special Marine Warning	GRB		65 min
Aug 11, 2:27 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto	35 min
Aug 11, 2:37 PM CDT	Areal Flood Advisory	GRB	Marinette, Oconto	2 hr
Aug 11, 2:46 PM CDT	Special Marine Warning	GRB		59 min
Aug 11, 2:47 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	43 min
Aug 11, 2:47 PM CDT	Tornado Warning	GRB	Marathon	43 min
Aug 11, 2:51 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Door, Kewaunee	39 min
Aug 11, 2:55 PM CDT	Areal Flood Advisory	GRB	Door	2 hr
Aug 11, 2:58 PM CDT	Special Weather Statement	GRB	Waupaca	47 min
Aug 11, 3:07 PM CDT	Flash Flood Warning	GRB	Marathon	4 hr
Aug 11, 3:08 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Shawano, Waupaca	38 min
Aug 11, 3:11 PM CDT	Special Marine Warning	GRB		64 min
Aug 11, 3:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Waushara	18 min
Aug 11, 3:30 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Door, Kewaunee, Oconto, Outagamie, Shawano	60 min
Aug 11, 3:33 PM CDT	Special Marine Warning	GRB		57 min
Aug 11, 3:51 PM CDT	Special Weather Statement	GRB	Outagamie, Winnebago	39 min
Aug 11, 4:05 PM CDT	Special Marine Warning	GRB		55 min

Nearby

Special Marine Warnings in Wisconsin, 2021 Every special marine warning in 2021

Sources

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