Alert archive / Wisconsin / Special Weather Statements in 2023

Special Weather Statement, NWS Milwaukee, WI

July 5, 2023Lafayette County, Wisconsin

NWS Milwaukee, WI issued this special weather statement at Jul 5, 2023, 3:03 PM CDT for Lafayette County, Wisconsin. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 5, 2023, 3:03 PM CDT (20:03 UTC)
Expired: Jul 5, 2023, 3:45 PM CDT
In force: 42 min
Issued by: NWS Milwaukee, WI
Hail: 0.50 in
Wind: 30

County Lafayette County, WI

The radar

The Milwaukee radar (KMKX), 120 km from the middle of the area, began a volume at 20:03 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 nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.1 hours before the alert went out and 121 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 973 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1154 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 5, 2:41 PM CDT, 22 minutes earlier.

Area forecast discussion, Jul 5, 2:41 PM CDT, 22 minutes before

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Hazardous weather outlook, Jul 5, 2:16 PM CDT, 47 minutes before

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
216 PM CDT Wed Jul 5 2023

WIZ046-047-051-052-056>060-062>072-061930-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
216 PM CDT Wed Jul 5 2023

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

.DAY ONE...Tonight

A round of thunderstorms is ongoing this afternoon and evening,
along and ahead of a cold front. Some stronger thunderstorms
capable of marginally severe hail and gusty winds are possible
during this period, particularly in southeast Wisconsin.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

There will be small chances for thunderstorms at times Friday
night through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed into early this evening.

LMZ643>646-061930-
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-
216 PM CDT Wed Jul 5 2023

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

.DAY ONE...Tonight

A round of thunderstorms is ongoing this afternoon and evening
along a cold front. Some stronger storms with gusty winds and hail
are possible during this period.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

There will be small chances for thunderstorms at times Friday
night through Tuesday.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-061930-
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-
216 PM CDT Wed Jul 5 2023

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

.DAY ONE...Tonight

A round of showers and thunderstorms is anticipated over most of
the lake this afternoon into tonight, as a cold front moves
southeastward. Some stronger storms with gusty winds and hail are
possible this afternoon into this evening, mainly over southern
portions of the lake.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

There will be small chances for thunderstorms at times Friday
night through Tuesday.

www.weather.gov/mkx

In the hours before

Local storm report, Jul 5, 1:11 PM CDT, 1 hour 52 minutes before

Preliminary Local Storm Report
National Weather Service Milwaukee/Sullivan WI
111 PM CDT Wed Jul 5 2023

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

1216 PM     Tstm Wnd Gst     Rockdale                42.97N 89.03W
07/05/2023  E60 MPH          Dane               WI   911 Call Center

            Large tree down in the area of E. Rockdale
            Rd in the town of Christiana.

1219 PM     Tstm Wnd Gst     1 NE Rockdale           42.98N 89.02W
07/05/2023  E60 MPH          Dane               WI   911 Call Center

            Power lines reported down in Town of
            Rockdale.

1250 PM     Tstm Wnd Gst     1 E Stoughton           42.92N 89.20W
07/05/2023  E60 MPH          Dane               WI   911 Call Center

            Power lines knocked down east of Stoughton.
            Via Dane County 911.

&&

Halbach

Special weather statement, Jul 5, 2:10 PM CDT, 53 minutes before

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
210 PM CDT Wed Jul 5 2023

WIZ064-065-052000-
Waukesha WI-Jefferson WI-
210 PM CDT Wed Jul 5 2023

...A strong thunderstorm will impact portions of Waukesha and
southeastern Jefferson Counties through 300 PM CDT...

At 210 PM CDT, Doppler radar was tracking a strong thunderstorm near
Dousman, or 9 miles west of Wales, moving northeast at 30 mph.

HAZARD...Winds in excess of 40 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...
Waukesha, New Berlin, Pewaukee, Hartland, Delafield, Wales, Okauchee
Lake, Oconomowoc, Ottawa, Merton, Dousman, North Prairie, Lac La
Belle, Rome, Nashotah, Waterville, Sullivan, Oconomowoc Lake,
Chenequa, and Stone Bank.

This includes Interstate 94 between mile markers 274 and 294.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4296 8817 4288 8864 4305 8871 4319 8841
      4319 8834
TIME...MOT...LOC 1910Z 242DEG 24KT 4300 8857

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

KUROSKI

Special weather statement, Jul 5, 2:12 PM CDT, 51 minutes before

Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
212 PM CDT Wed Jul 5 2023

WIZ063-064-069-052000-
Rock WI-Jefferson WI-Dane WI-
212 PM CDT Wed Jul 5 2023

...A strong thunderstorm will impact portions of northeastern Rock,
southeastern Dane and southwestern Jefferson Counties through 300 PM
CDT...

At 212 PM CDT, Doppler radar was tracking a strong thunderstorm near
Stoughton, moving east at 30 mph.

HAZARD...Winds in excess of 40 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...
Whitewater, Stoughton, Fort Atkinson, Jefferson, Lake Mills,
Edgerton, Cambridge, Lake Ripley, Lake Koshkonong, Albion, Utica,
Rockdale, Busseyville, and Cooksville.

This includes the following highways...
 Interstate 39/90 between mile markers 147 and 163.
 Wisconsin Highway 26 between mile markers 13 and 28.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4297 8933 4309 8887 4284 8871 4284 8878
      4282 8926
TIME...MOT...LOC 1912Z 255DEG 27KT 4291 8914

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

KUROSKI

Local storm report, Jul 5, 2:20 PM CDT, 43 minutes before

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Special weather statement, Jul 5, 2:39 PM CDT, 24 minutes before

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Special weather statement, Jul 5, 3:03 PM CDT, 0 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
Jul 5, 12:29 PM CDT	Severe Thunderstorm Warning	MKX	Dane	46 min
Jul 5, 12:40 PM CDT	Severe Thunderstorm Warning	MKX	Columbia, Dane, Dodge	50 min
Jul 5, 12:57 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Dodge, Jefferson	48 min
Jul 5, 1:19 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	29 min
Jul 5, 1:46 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Rock	29 min
Jul 5, 1:48 PM CDT	Severe Thunderstorm Warning	MKX	Jefferson, Waukesha	27 min
Jul 5, 2:02 PM CDT	Special Marine Warning	MKX		58 min
Jul 5, 2:03 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee	27 min
Jul 5, 2:06 PM CDT	Severe Thunderstorm Warning	MKX	Sheboygan	24 min
Jul 5, 2:08 PM CDT	Special Marine Warning	MKX		57 min
Jul 5, 2:10 PM CDT	Special Weather Statement	MKX	Waukesha	50 min
Jul 5, 2:11 PM CDT	Special Marine Warning	MKX		94 min
Jul 5, 2:12 PM CDT	Special Weather Statement	MKX	Jefferson	48 min
Jul 5, 2:19 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson	21 min
Jul 5, 2:27 PM CDT	Special Marine Warning	MKX		93 min
Jul 5, 2:39 PM CDT	Special Marine Warning	MKX		66 min
Jul 5, 2:39 PM CDT	Special Weather Statement	MKX	Milwaukee, Ozaukee, Sheboygan	36 min
Jul 5, 3:00 PM CDT	Areal Flood Advisory	MKX	Sheboygan	3 hr
Jul 5, 3:19 PM CDT	Special Weather Statement	MKX	Rock	26 min
Jul 5, 3:21 PM CDT	Areal Flood Advisory	MKX	Milwaukee, Waukesha	3 hr
Jul 5, 3:39 PM CDT	Special Marine Warning	MKX		66 min
Jul 5, 3:46 PM CDT	Special Marine Warning	MKX		59 min
Jul 5, 4:03 PM CDT	Special Weather Statement	MKX	Green	42 min
Jul 5, 4:05 PM CDT	Special Weather Statement	MKX	Racine	40 min
Jul 5, 5:31 PM CDT	Special Weather Statement	MKX	Dane	44 min
Jul 5, 5:51 PM CDT	Special Weather Statement	MKX	Columbia	39 min
Jul 5, 6:49 PM CDT	Special Weather Statement	MKX	Dodge	26 min

Nearby

Special Weather Statements in Wisconsin, 2023 Every special weather statement in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.