Special Weather Statement, NWS Milwaukee, WI

Area Forecast Discussion
National Weather Service Milwaukee/Sullivan WI
946 PM CDT Sun Jul 16 2023

.UPDATE...
(Issued 946 PM CDT Sun Jul 16 2023)

Scattered showers and storms are just ahead of a cold front and
strong upper wave. Small hail and gusty winds will still occur
with the stronger storms for the next couple hours. The rain
should move off by 06Z. Nwly winds and pleasant summer temps and
humidity is then expected for Mon.

Gehring

&&

.SHORT TERM...
(Issued 211 PM CDT Sun Jul 16 2023)

Tonight through Monday night:

This evening an area of isolated to scattered storms will move in
from the northwest with a frontal boundary. The trough axis,
positive vorticity advection, and frontogenesis line up with some
elevated instability available to tap into. As the area of showers
and storms moves southeast though there will be less instability
so coverage and the potential for lightning is expected to
decrease as we head later into the evening hours. We'll be on the
backside of lift and moisture by 1am across the area with clearing
skies moving in for overnight.

Drier conditions are expected Monday and Monday night as high
pressure slowly builds into the area. Temperatures will be a
little cooler than today with highs in the 70s across the area.

RAH

&&

.LONG TERM...
(Issued 211 PM CDT Sun Jul 16 2023)

Tuesday through Sunday:

High pressure moves over the area for Tuesday. Ensembles are in
agreement that we'll stay dry until Wednesday when another trough
moves through bringing chances for showers and maybe a few
thunderstorms mainly Wednesday night into Thursday. After that
mostly dry conditions are expected. There are signs for another
trough to move through the area, but timing is uncertain. Overall
no one day looks to be a washout.

RAH

&&

.AVIATION...
(Issued 946 PM CDT Sun Jul 16 2023)

Scattered showers and storms will continue across srn WI through
06Z. Otherwise sct-bkn050-070 tnt-Mon.

Gehring

&&

.MARINE...
(Issued 211 PM CDT Sun Jul 16 2023)

A round of showers and storms is expected to move in ahead of a
front this evening through late tonight. Coverage is expected to
decrease for far southern portions of Lake Michigan before dry
conditions return late tonight into Tuesday night. High pressure
will gradually build into the area resulting in lighter winds.
Southerly winds will increase late Wednesday night into Thursday
as a low pressure system moves through the northern Great Lakes.
Another round of showers and storms will be possible during this
time.

RAH

&&

.MKX WATCHES/WARNINGS/ADVISORIES...
WI...None.
LM...None.
&&

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Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
218 PM CDT Sun Jul 16 2023

WIZ046-047-051-052-056>060-062>072-171930-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
218 PM CDT Sun Jul 16 2023

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

.DAY ONE...Tonight

An Air Quality Advisory remains in effect until midnight tonight.

Thunderstorms are expected evening. A few stronger storms are
possible, with gusty outflow winds being the main concern.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

More storm chances return later Wednesday through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed Tonight.

LMZ643>646-171930-
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-
218 PM CDT Sun Jul 16 2023

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

.DAY ONE...Tonight

A few thunderstorms possible this evening, with gusty outflow
winds being the main concern.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Additional chances for thunderstorms are possible Wednesday
through Thursday.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-171930-
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-
218 PM CDT Sun Jul 16 2023

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

.DAY ONE...Tonight

A few thunderstorms possible late this afternoon through this
evening, with gusty outflow winds being the main concern.

.DAYS TWO THROUGH SEVEN...Monday through Sunday

Additional chances for thunderstorms are possible Wednesday
through Thursday.

www.weather.gov/mkx

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Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
1010 PM CDT Sun Jul 16 2023

WIZ059-060-170345-
Washington WI-Ozaukee WI-
1010 PM CDT Sun Jul 16 2023

...A strong thunderstorm will impact portions of central Ozaukee and
east central Washington Counties through 1045 PM CDT...

At 1008 PM CDT, Doppler radar was tracking a strong thunderstorm over
Jackson, moving east at 45 mph.

HAZARD...Winds in excess of 40 mph and penny 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...
Grafton, Cedarburg, Port Washington, Jackson, Saukville, Keowns, and
Kirchhayn.

This includes the following highways...
 Interstate 43 between mile markers 88 and 97.
 Interstate 41 between mile markers 61 and 62.
 U.S. Highway 45 between mile markers 61 and 68.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4338 8787 4337 8788 4330 8789 4328 8790
      4325 8792 4329 8822 4339 8820 4339 8787
      4338 8786
TIME...MOT...LOC 0308Z 280DEG 37KT 4334 8812

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

GEHRING

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
1013 PM CDT Sun Jul 16 2023

WIZ052-170345-
Sheboygan WI-
1013 PM CDT Sun Jul 16 2023

...Strong thunderstorms will impact portions of central Sheboygan
County through 1045 PM CDT...

At 1013 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Sheboygan Falls to Plymouth. Movement was east
at 50 mph.

HAZARD...Winds in excess of 40 mph and penny 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, Plymouth, Sheboygan Falls, and Kohler.

This includes Interstate 43 between mile markers 121 and 128.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4367 8771 4370 8808 4379 8807 4378 8771
      4376 8770 4374 8771 4370 8770
TIME...MOT...LOC 0313Z 271DEG 45KT 4373 8782 4374 8799

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

GEHRING