Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 159, NWS Milwaukee, WI

August 1, 2024Jefferson County, Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 1, 2024, 7:42 PM CDT for Jefferson County, Waukesha County, Wisconsin. It was in force for 19 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 1, 2024, 7:42 PM CDT (00:42 UTC)
Expired
Aug 1, 2024, 8:01 PM CDT
In force
19 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jefferson County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 6 km from the middle of the area, began a volume at 00:46 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 severe thunderstorm 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 severe thunderstorm warning went out at Aug 1, 2:57 PM CDT, 4 hours 45 minutes earlier.

Area forecast discussion, Aug 1, 2:57 PM CDT, 4 hours 45 minutes before
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Hazardous weather outlook, Aug 1, 2:28 PM CDT, 5 hours 14 minutes before
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
228 PM CDT Thu Aug 1 2024

WIZ046-047-051-052-056>060-062>072-021930-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
228 PM CDT Thu Aug 1 2024

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

.DAY ONE...Tonight

Thunderstorms are likely this afternoon into the evening, with a
lingering chance for lightning overnight. A few storms this
afternoon may be strong to severe with small hail and gusty winds
the main concerns. Locally heavy rainfall will be possible as
well.

.DAYS TWO THROUGH SEVEN...Friday through Thursday

There is a chance for thunderstorms on Friday morning, but they
are not expected to be strong or severe.

There are chances for thunderstorms from Sunday through Wednesday,
but confidence remains low regarding the timing and strength of
any storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening. Heavy
rainfall reports of over 1 inch will be appreciated.

LMZ643>646-021930-
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-
228 PM CDT Thu Aug 1 2024

This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.

.DAY ONE...Tonight

There is a chance for thunderstorms this afternoon into evening
with some gusty winds and heavy rainfall possible at times.

.DAYS TWO THROUGH SEVEN...Friday through Thursday

Thunderstorms will be possible Friday morning and then off and on
early next week.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-021930-
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-
228 PM CDT Thu Aug 1 2024

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

.DAY ONE...Tonight

There is a chance for thunderstorms today, mainly across the
southern half of Lake Michigan. Some storms could be strong with
heavy rainfall and brief gusty winds.

.DAYS TWO THROUGH SEVEN...Friday through Thursday

There are chances for thunderstorms Friday, mainly in the morning.
There is a chance for storms early next week as well.

www.weather.gov/mkx

In the hours before

Special weather statement, Aug 1, 5:43 PM CDT, 1 hour 59 minutes before
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Special weather statement, Aug 1, 5:47 PM CDT, 1 hour 55 minutes before
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Local storm report, Aug 1, 5:55 PM CDT, 1 hour 47 minutes before
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Special weather statement, Aug 1, 6:17 PM CDT, 1 hour 25 minutes before
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Local storm report, Aug 1, 6:56 PM CDT, 46 minutes before
Preliminary Local Storm Report
National Weather Service Milwaukee/Sullivan WI
656 PM CDT Thu Aug 1 2024

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

0646 PM     Rain             2 S Berlin              43.94N 88.95W
08/01/2024  M4.50 Inch       Green Lake         WI   Public

            Measured 1 hour rainfall. Report via
            Facebook.

&&

NRF
Special weather statement, Aug 1, 7:04 PM CDT, 38 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 7:04 PM CDTSpecial Weather StatementMKXJefferson, Milwaukee, Waukesha56 min
Aug 1, 7:56 PM CDTSpecial Weather StatementMKXJefferson, Kenosha, Milwaukee, Racine, Rock, Walworth and 1 more64 min
Aug 1, 8:35 PM CDTAreal Flood AdvisoryMKXMilwaukee, Waukesha115 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2024Every severe thunderstorm warning in 2024

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.