Alert archive / Wisconsin / River Flood Warnings in 2018

River Flood Warning 109, NWS Milwaukee, WI

October 3, 2018Jefferson County, Wisconsin

NWS Milwaukee, WI issued this river flood warning at Oct 3, 2018, 3:58 PM CDT for Jefferson County, Wisconsin. It took effect at Oct 4, 2018, 7:00 AM CDT. It was in force for 17 days.

The area

The counties it named.

The facts

Issued: Oct 3, 2018, 3:58 PM CDT (20:58 UTC)
In effect from: Oct 4, 2018, 7:00 AM CDT
Expired: Oct 21, 2018, 3:25 PM CDT
In force: 17 days
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Flood severity: Minor

County Jefferson County, WI

The radar

The Milwaukee radar (KMKX), 19 km from the middle of the area, began a volume at 21:01 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 Rock River at Jefferson (JFFW3).

Action stage: 8 ft
Minor stage: 10 ft
Moderate stage: 11 ft
Major stage: 13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05426031, 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 Milwaukee, WI wrote its last area forecast discussion before this river flood warning went out at Oct 3, 3:44 PM CDT, 14 minutes earlier.

Area forecast discussion, Oct 3, 3:44 PM CDT, 14 minutes before

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Hazardous weather outlook, Oct 3, 3:58 AM CDT, 12 hours before

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
358 AM CDT Wed Oct 3 2018

WIZ046-047-051-052-056>060-062>072-040900-
Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
358 AM CDT Wed Oct 3 2018

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms this morning and then again
late this afternoon and evening. Some of the storms may be severe
this evening, with damaging winds, large hail, and a tornado or
two possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There are chances for thunderstorms at times Thursday night into
early next week with the biggest concern being rounds of heavy
rain with continued river flooding or new rounds of river
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and night.

LMZ643>646-040900-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
358 AM CDT Wed Oct 3 2018

This Hazardous Weather Outlook is for portions of Lake Michigan.

.DAY ONE...Today and Tonight

A Small Craft Advisory goes into effect at 7 AM this morning
for gusty south winds and building waves.

There is a chance of thunderstorms this morning and then again
late this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

The Small Craft Advisory is in effect until 10 AM Friday, though
it may eventually need to be extended until later Friday due to
lingering high waves.

There are additional chances of thunderstorms Thursday night into
early next week.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-040900-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
358 AM CDT Wed Oct 3 2018

This Hazardous Weather Outlook is for the open waters of Lake
Michigan.

.DAY ONE...Today and Tonight

A Gale Warning is in effect for this afternoon through tonight.
Southerly gales will shift west to northwest during this time.
Very high waves are expected.

There is a chance for thunderstorms today, particularly during the
evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There are chances of thunderstorms at times from Thursday night
into early next week.

DDV

www.weather.gov/mkx

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 3, 10:20 AM CDT	River Flood Warning	MKX	Jefferson	20 days

Nearby

River Flood Warnings in Wisconsin, 2018 Every river flood warning in 2018

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.