Alert archive / Wisconsin / River Flood Watches in 2018

River Flood Watch 7, NWS Milwaukee, WI

February 19, 2018Green County, Wisconsin

NWS Milwaukee, WI issued this river flood watch at Feb 19, 2018, 11:46 PM CST for Green County, Wisconsin. It took effect at Feb 23, 2018, 3:45 AM CST. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2018, 11:46 PM CST (05:46 UTC)
In effect from
Feb 23, 2018, 3:45 AM CST
Expired
Feb 24, 2018, 8:00 PM CST
In force
40 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

County Green County, WI

The radar

The Milwaukee radar (KMKX), 92 km from the middle of the area, began a volume at 05:47 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 Pecatonica River at Martintown (MTNW3).

Action stage
9.5 ft
Minor stage
13.5 ft
Moderate stage
18 ft
Major stage
21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05434500, 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 watch 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 watch went out at Feb 19, 11:28 PM CST, 18 minutes earlier.

Area forecast discussion, Feb 19, 11:28 PM CST, 18 minutes before
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Hazardous weather outlook, Feb 19, 7:07 PM CST, 4 hours 39 minutes before
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
707 PM CST Mon Feb 19 2018

WIZ046-047-051-052-056>060-062>072-210115-
Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
707 PM CST Mon Feb 19 2018

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

.DAY ONE...Tonight

An extended period of freezing rain will lead to icing in areas
along and north of a line from Baraboo to Fond Du Lac to
Sheboygan through the overnight hours. Travel conditions are
likely to deteriorate this evening, and hazardous travel
conditions will persist into the morning hours on Tuesday.

A Flood Watch is in effect for areas mainly south and east of
Madison. Heavy rain is expected across these areas. The rain,
combined with the melting snowpack and frozen ground, will cause
some rivers and streams to rise. Localized flooding of roads and
creeks is also possible.

There is a chance of thunderstorms across southern and eastern
portions of the area tonight.

Dense fog will continue tonight across much of southern
Wisconsin.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

The Winter Weather Advisory for freezing rain is in effect
through Tuesday. This will impact travel, especially for the
Tuesday morning commute.

The Flood Watch is in effect through Tuesday. The rain, combined
with the melting snowpack and frozen ground, will cause some
rivers and streams to rise, along with localized flooding of
roadways and creeks.

Fog may linger into Tuesday, with some dense fog possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

LMZ643>646-210115-
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-
707 PM CST Mon Feb 19 2018

This Hazardous Weather Outlook is for portions of Lake Michigan.

.DAY ONE...Tonight

A Small Craft Advisory is in effect north of Port Washington
tonight, for gusty northeast winds and high waves.

A marine dense fog advisory is in effect south of Port Washington
through tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Monday

Fog may linger into Tuesday, with some dense fog possible.

www.weather.gov/mkx

In the hours before

Local storm report, Feb 19, 8:12 PM CST, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
812 PM CST MON FEB 19 2018

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

0810 PM     FLOOD            1 SSW WEST ALLIS        42.99N 88.04W
02/19/2018                   MILWAUKEE          WI   BROADCAST MEDIA

            SOME TRAVEL LANES CLOSED ON I-894/41 DUE TO
            STANDING WATER. NEAR CLEVELAND AVE.

&&

SPM
Local storm report, Feb 19, 9:36 PM CST, 2 hours 10 minutes before
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Local storm report, Feb 19, 10:21 PM CST, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1021 PM CST MON FEB 19 2018

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

0930 PM     FLOOD            JANESVILLE              42.69N 89.02W
02/19/2018                   ROCK               WI   LAW ENFORCEMENT

            NUMEROUS ROADS CLOSED DUE TO FLOODING ACROSS
            THE COUNTY.

&&

ARB
Local storm report, Feb 19, 10:28 PM CST, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1028 PM CST MON FEB 19 2018

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

0800 PM     FLOOD            DELAFIELD               43.07N 88.39W
02/19/2018                   WAUKESHA           WI   AMATEUR RADIO

            DELAYED REPORT VIA TWITTER: STANDING WATER
            OVER THE ROAD AT NORTHVIEW AND ELMHURST IN
            THE TOWN OF DELAFIELD.

&&

ARB
Local storm report, Feb 19, 11:01 PM CST, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1101 PM CST MON FEB 19 2018

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

1045 PM     FLOOD            2 N DOUSMAN             43.05N 88.47W
02/19/2018                   WAUKESHA           WI   PUBLIC

            FLOODED ROADS ON HWY 67 SOUTH OF OCONOMOWOC.
            REPORTED VIA SOCIAL MEDIA.

&&

MRC
Local storm report, Feb 19, 11:06 PM CST, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1106 PM CST MON FEB 19 2018

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

1100 PM     FLOOD            1 S JANESVILLE          42.67N 89.01W
02/19/2018                   ROCK               WI   PUBLIC

            INTERSECTION OF BELOIT AVE AND DELAVAN DR
            AND NEAR JEFFRIS PARK IS FLOODED. REPORTED
            VIA SOCIAL MEDIA.

&&

MRC

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 7:47 PM CSTAreal Flood AdvisoryMKXDane, Green, Jefferson, Lafayette, Milwaukee, Racine and 3 more12 hr
Feb 19, 9:01 PM CSTRiver Flood WarningMKXGreen, Rock9 days
Feb 19, 9:12 PM CSTRiver Flood WatchMKXRacine54 hr
Feb 19, 9:52 PM CSTAreal Flood WarningMKXDane, Green, Jefferson, Lafayette, Milwaukee, Racine and 3 more12 hr
Feb 20, 3:50 AM CSTRiver Flood WarningMKXGreen10 days
Feb 20, 4:14 AM CSTRiver Flood WarningMKXLafayette59 hr
Feb 20, 4:17 AM CSTRiver Flood WarningMKXKenosha10 days
Feb 20, 6:42 AM CSTRiver Flood WarningMKXRacine50 hr
Feb 20, 6:43 AM CSTRiver Flood WarningMKXRock44 hr
Feb 20, 6:43 AM CSTRiver Flood WarningMKXRock34 hr
Feb 20, 9:23 AM CSTRiver Flood WarningMKXMilwaukee31 hr
Feb 20, 9:45 AM CSTAreal Flood WarningMKXDane, Dodge, Green, Iowa, Jefferson, Lafayette and 3 more21 hr
Feb 20, 9:57 AM CSTRiver Flood WarningMKXRock38 hr
Feb 20, 12:53 PM CSTAreal Flood WarningMKXKenosha, Milwaukee, Racine, Rock, Walworth18 hr
Feb 20, 2:12 PM CSTRiver Flood WarningMKXColumbia26 hr
Feb 20, 3:07 PM CSTRiver Flood WarningMKXRacine33 hr
Feb 20, 3:07 PM CSTRiver Flood WarningMKXLafayette36 hr
Feb 20, 3:19 PM CSTAreal Flood WarningMKXOzaukee, Washington15 hr
Feb 20, 4:56 PM CSTRiver Flood WarningMKXRock24 hr

Nearby

River Flood Watches in Wisconsin, 2018Every river flood watch 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.