Alert archive / Wisconsin / Areal Flood Advisories in 2021

Areal Flood Advisory 7, NWS Milwaukee, WI

August 7, 2021Dodge County, Ozaukee County, Washington County, Wisconsin

NWS Milwaukee, WI issued this areal flood advisory at Aug 7, 2021, 11:36 PM CDT for Dodge County, Ozaukee County, Washington County, Wisconsin. It was in force for 75 min.

The area

The counties it named.

The facts

Issued: Aug 7, 2021, 11:36 PM CDT (04:36 UTC)
Expired: Aug 8, 2021, 12:51 AM CDT
In force: 75 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon

Counties Dodge County, WI, Ozaukee County, WI, Washington County, WI

The radar

The Milwaukee radar (KMKX), 53 km from the middle of the area, began a volume at 04:41 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.

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Aug 7, 9:55 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Aug 7, 9:55 PM CDT, 1 hour 41 minutes before

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In the hours before

Special weather statement, Aug 7, 8:06 PM CDT, 3 hours 30 minutes before

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Local storm report, Aug 7, 8:17 PM CDT, 3 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
817 PM CDT SAT AUG 7 2021

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

0513 PM     TSTM WND DMG     3 ENE LAKE WISCONSIN    43.39N 89.52W
08/07/2021                   COLUMBIA           WI   LAW ENFORCEMENT

            LARGE TREE LIMB DOWN ON POWER LINE OFF OF
            COUNTY HIGHWAY V.

&&

Special weather statement, Aug 7, 9:13 PM CDT, 2 hours 23 minutes before

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
913 PM CDT Sat Aug 7 2021

WIZ046-047-080330-
Green Lake WI-Marquette WI-
913 PM CDT Sat Aug 7 2021

...Strong thunderstorms will impact portions of northern Green Lake
and Marquette Counties through 1030 PM CDT...

At 913 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Green Lake to Westfield. Movement was
southeast at 35 mph.

HAZARD...Pea size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
Berlin, Montello, Westfield, Princeton, Green Lake, Lawrence, Mecan,
Oxford, Neshkoro, Springfield Corners and Harrisville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4377 8889 4378 8960 4398 8960 4398 8889
TIME...MOT...LOC 0213Z 299DEG 30KT 4389 8900 4390 8948

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...<30 MPH

CMILLER

Special weather statement, Aug 7, 10:01 PM CDT, 1 hour 35 minutes before

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Special weather statement, Aug 7, 10:33 PM CDT, 1 hour 3 minutes before

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
1033 PM CDT Sat Aug 7 2021

WIZ052-060-080430-
Sheboygan WI-Ozaukee WI-
1033 PM CDT Sat Aug 7 2021

...Strong thunderstorms will impact portions of northern Ozaukee and
Sheboygan Counties through 1130 PM CDT...

At 1033 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from St Anna to near Campbellsport to near Theresa.
Movement was east at 35 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Sheboygan, Port Washington, Plymouth, Sheboygan Falls, Saukville,
Howards Grove, Oostburg, Belgium, Fredonia, Kohler, Cedar Grove,
Random Lake, Newburg, Elkhart Lake, Greenbush, Cascade, Adell, Waldo,
Glenbeulah and Haven.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4356 8779 4346 8780 4337 8788 4337 8804
      4354 8804 4354 8816 4389 8816 4389 8774
      4381 8773 4376 8770 4374 8771 4370 8770
TIME...MOT...LOC 0333Z 278DEG 29KT 4390 8813 4365 8823 4348 8843

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

CMILLER

Special weather statement, Aug 7, 11:00 PM CDT, 36 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:00 PM CDT	Special Weather Statement	MKX	Rock	30 min
Aug 7, 7:20 PM CDT	Special Weather Statement	MKX	Waukesha	25 min
Aug 7, 7:32 PM CDT	Special Weather Statement	MKX	Walworth	58 min
Aug 7, 7:51 PM CDT	Special Weather Statement	MKX	Milwaukee, Waukesha	54 min
Aug 7, 8:06 PM CDT	Special Weather Statement	MKX	Racine, Walworth	69 min
Aug 7, 9:13 PM CDT	Special Weather Statement	MKX	Green Lake, Marquette	77 min
Aug 7, 10:01 PM CDT	Special Weather Statement	MKX	Dodge, Fond du Lac, Washington	59 min
Aug 7, 10:22 PM CDT	Areal Flood Advisory	MKX	Fond du Lac, Green Lake, Marquette	3 hr
Aug 7, 10:33 PM CDT	Special Weather Statement	MKX	Ozaukee, Sheboygan	57 min
Aug 7, 11:00 PM CDT	Special Weather Statement	MKX	Washington	60 min
Aug 7, 11:56 PM CDT	Special Weather Statement	MKX	Dodge	34 min
Aug 8, 12:49 AM CDT	Areal Flood Warning	MKX	Dodge, Ozaukee, Washington	6 hr
Aug 8, 12:56 AM CDT	River Flood Warning	MKX	Fond du Lac	11 hr
Aug 8, 1:37 AM CDT	Areal Flood Warning	MKX	Milwaukee, Ozaukee, Washington, Waukesha	5 hr
Aug 8, 2:19 AM CDT	Flash Flood Warning	MKX	Milwaukee, Ozaukee	3 hr
Aug 8, 2:43 AM CDT	Flash Flood Watch	MKX	Columbia, Dodge, Fond du Lac, Green Lake, Marquette, Milwaukee and 3 more	17 hr
Aug 8, 9:54 AM CDT	Small Craft Advisory	MKX		10 hr
Aug 8, 4:24 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	36 min
Aug 8, 4:38 PM CDT	Special Weather Statement	MKX	Dodge	37 min
Aug 8, 4:50 PM CDT	Severe Thunderstorm Warning	MKX	Washington	25 min
Aug 8, 5:05 PM CDT	Special Marine Warning	MKX		24 min
Aug 8, 5:12 PM CDT	Special Weather Statement	MKX	Washington	33 min
Aug 8, 5:37 PM CDT	Special Weather Statement	MKX	Sheboygan	23 min
Aug 8, 5:45 PM CDT	Severe Thunderstorm Warning	MKX	Sheboygan	30 min
Aug 8, 6:09 PM CDT	Special Marine Warning	MKX		51 min
Aug 8, 6:50 PM CDT	Special Marine Warning	MKX		55 min

Nearby

Areal Flood Advisories in Wisconsin, 2021 Every areal flood advisory 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; radar from the NEXRAD Level II archive.