Alert archive / Wisconsin / River Flood Warnings in 2020

River Flood Warning 31, NWS Green Bay, WI

June 10, 2020Marathon County, Wisconsin

NWS Green Bay, WI issued this river flood warning at Jun 10, 2020, 8:50 PM CDT for Marathon County, Wisconsin. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Jun 10, 2020, 8:50 PM CDT (01:50 UTC)
Expired: Jun 12, 2020, 11:02 AM CDT
In force: 38 hr
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Flood severity: Unknown

County Marathon County, WI

The radar

The Green Bay radar (KGRB), 138 km from the middle of the area, began a volume at 01:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Wisconsin River below Wausau Dam (WUUW3).

Action stage: 1165 ft
Minor stage: 1167 ft
Moderate stage: 1170 ft
Major stage: 1174 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at Jun 10, 7:03 PM CDT, 1 hour 47 minutes earlier.

Area forecast discussion, Jun 10, 7:03 PM CDT, 1 hour 47 minutes before

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Hazardous weather outlook, Jun 10, 2:18 PM CDT, 6 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
218 PM CDT Wed Jun 10 2020

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-111930-
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-
218 PM CDT Wed Jun 10 2020

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

.DAY ONE...Tonight

Rivers and streams will continue to rise given recent rainfall as
well as any rain that falls tonight. Minor flooding is possible
in some areas. Rain and scattered thunderstorms will return to the
region this evening. Up to an inch of rain could fall across
eastern Wisconsin this afternoon and evening. Minor flooding of
urban areas and small streams is possible.

There is a marginal risk for severe weather this evening across
portions of east-central Wisconsin and the lakeshore as
thunderstorms move northeast from southern Wisconsin. The
strongest storms may produce gusty winds, large hail, and heavy
rainfall, which could produced localized flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

Areas of frost are possible across far northern Wisconsin Friday
night as temperatures are forecast to fall into the middle to
upper 30s. Patchy frost is possible over far northeast Wisconsin
Saturday night.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any wind gusts greater than 40
mph, hail pea size or larger, rainfall amounts of one inch or
greater, and any flooding.

LMZ521-522-541>543-111930-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
218 PM CDT Wed Jun 10 2020

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

.DAY ONE...Tonight

Conditions hazardous to small craft are expected along Lake
Michigan through late this evening.

There is a marginal risk for severe weather this evening along the
Lake Michigan nearshore waters south of Sturgeon Bay. The main
threats would be large hail and gusty winds.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

The probability of widespread hazardous weather is low.

Kurimski/Kallas

In the hours before

Special weather statement, Jun 10, 3:21 PM CDT, 5 hours 29 minutes before

Special Weather Statement
National Weather Service Green Bay WI
321 PM CDT Wed Jun 10 2020

WIZ039-040-049-050-102115-
Calumet-Kewaunee-Manitowoc-Brown-
321 PM CDT Wed Jun 10 2020

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN BROWN...
SOUTHWESTERN KEWAUNEE...CALUMET AND MANITOWOC COUNTIES...

At 319 PM CDT, a broad area of showers and locally strong
thunderstorms were clustered from Manitowoc to Columbus, moving
northeast at 25 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Manitowoc, Kewaunee, Chilton, Brillion, Denmark, Cleveland, Valders,
St. Nazianz, Two Creeks and Camp Rokilio Scout Camp.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4394 8816 4394 8840 4406 8840 4424 8823
      4424 8819 4428 8819 4445 8802 4445 8749
      4390 8769 4389 8816
TIME...MOT...LOC 2019Z 219DEG 10KT 4347 8888

Kallas

Special weather statement, Jun 10, 4:18 PM CDT, 4 hours 32 minutes before

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Local storm report, Jun 10, 5:11 PM CDT, 3 hours 39 minutes before

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Local storm report, Jun 10, 5:35 PM CDT, 3 hours 15 minutes before

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Local storm report, Jun 10, 5:38 PM CDT, 3 hours 12 minutes before

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Local storm report, Jun 10, 5:42 PM CDT, 3 hours 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 3:13 AM CDT	Small Craft Advisory	GRB		16 hr
Jun 11, 10:23 AM CDT	River Flood Warning	GRB	Lincoln	25 hr
Jun 11, 12:57 PM CDT	Special Weather Statement	GRB	Brown, Calumet	3 hr
Jun 11, 2:53 PM CDT	Special Marine Warning	GRB		52 min
Jun 11, 3:04 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Kewaunee, Manitowoc	41 min
Jun 11, 3:36 PM CDT	Special Marine Warning	GRB		54 min
Jun 11, 6:42 PM CDT	Special Weather Statement	GRB	Kewaunee	48 min

Nearby

River Flood Warnings in Wisconsin, 2020 Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.