Strong to severe thunderstorms erupted along a slow moving cold front over southern WI. Large hail, damaging winds, and flash flooding occurred.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MKX wrote it up.
Strong to severe thunderstorms erupted along a slow moving cold front over southern WI. Large hail, damaging winds, and flash flooding occurred. A lightning strike and subsequent fire caused significant damage to a home in Beloit.
The local office's own words before the first event, 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 the first event at Jul 1, 7:41 PM CST, 1 hour 19 minutes earlier.
Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 841 PM CDT Fri Jul 1 2022 .UPDATE... (Issued 841 PM CDT Fri Jul 1 2022) Clouds have cleared out of the region this evening, as drier air builds in from the northwest. Lows should fall into the mid to upper 50s. Boxell && .SHORT TERM... (Issued 330 PM CDT Fri Jul 1 2022) Tonight through Saturday night: High pressure gradually builds over the area tonight through Saturday. Showers and a few storms to our south continue to provide much of southern Wisconsin with mid/high level cloud cover but this should push south tonight. A nice day is expected on Saturday with mostly sunny skies and highs in the lower 80s. Medium range models and now CAMs have all been suggesting a shortwave moving out of the Dakotas and towards southern WI may provide enough lift for a few showers and storms Saturday afternoon. Best chances for any of this activity will be mainly across west-central WI. Overall confidence in these showers and isolated storms is low due to poor lapse rates and limited instability. Plus there will be drier air in the low levels that will help to limit storm chances. So, used a blend of CAMs to bring some slight chances into the western half of the area for Saturday. It should be a nice night on Saturday with light winds and clear skies. Stumpf && .LONG TERM... (Issued 330 PM CDT Fri Jul 1 2022) Sunday through Friday: Sunday should be a drier day as the high pressure starts to shift off to the east but aloft it doesn't look like we'll see any weak shortwaves move over the area. Moisture starts to build back north with winds turning more southerly. Expect slightly warmer highs with values into the mid 80s for most of the area. So, all in all another nice day for the holiday weekend. For Independence Day it's looking more unsettled with potentially two rounds of showers or storms. Models continue to vary on how to handle the timing of a stronger shortwave moving across MN and into WI on Monday. There has been some suggestion that we could see a weakening round of showers and storms in the morning with redevelopment in the afternoon and evening. But latest NAM and to some extent the GFS/ECMWF suggest the morning round may hold off and we end up with a mid-day complex of storms that dives E/SE into the region. If that were to occur we wouldn't be able to see the clearing/recovery in the environment for redevelopment in the evening. Increasing southerly winds will allow for better moisture to stream northward and dewpoints into the lower 70s look likely for Monday. Lapse rates aloft are more moist adiabatic so instability isn't overly impressive for Monday. So, overall severe threat might be on the lower side but could still see scattered to widespread showers and storms that might put a pause on any outdoor festivals or 4th of July activities. Stay weather aware this holiday weekend! The humidity really starts to build next week with multiple models showing dewpoints in the mid 70s. Combine that with a more active period with multiple shortwaves moving through the flow and it's possible we could have a couple rounds of stronger storms next week. Steeper lapse rates and the higher low level moisture would support CAPE upwards of 3,000 to 4,000 J/kg and shear remains high enough to support a stronger storms. Definitely something to keep an eye on but in reality with how dry it has been and much of southern WI back in abnormally dry conditions I think some rain is most welcome. Stumpf && .AVIATION... (Issued 841 PM CDT Fri Jul 1 2022) VFR will prevail over the next 24 hours. Skies will be mostly clear tonight, with light and variable winds. Winds remain light through the morning on Saturday, but may pick up a touch from the west during the afternoon. A few scattered showers and maybe a thunderstorm or two is possible Saturday afternoon, but activity should be very widely scattered in nature. Boxell && .MARINE... (Issued 330 PM CDT Fri Jul 1 2022) High pressure builds over the region tonight through Saturday. Winds stay light out of the N/NW but may be variable at times. A few showers and storms are possible inland but storms should stay away from the waters. High pressure shifts east Sunday into Monday resulting in winds becoming more southerly. Showers and storms are expected to impact Lake Michigan on Monday but exact timing remains uncertain. Next week is shaping up to be more active with multiple chances for storms. Stumpf && .MKX WATCHES/WARNINGS/ADVISORIES... WI...None. LM...None. && Visit us at weather.gov/milwaukee Follow us on Facebook, Twitter, and YouTube at: www.facebook.com/NWSMilwaukee www.twitter.com/NWSMilwaukee www.youtube.com/NWSMilwaukee
Hazardous Weather Outlook National Weather Service Milwaukee/Sullivan WI 837 PM CDT Fri Jul 1 2022 WIZ046-047-051-052-056>060-062>072-030145- Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge- Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee- Lafayette-Green-Rock-Walworth-Racine-Kenosha- 837 PM CDT Fri Jul 1 2022 This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin and southeast Wisconsin. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Friday Chance of thunderstorms on Saturday and then again Sunday night through much of the Independence Day holiday. The chances for thunderstorms will continue each day next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not needed at this time. LMZ643>646-030145- 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- 837 PM CDT Fri Jul 1 2022 This Hazardous Weather Outlook is for the nearshore waters from Sheboygan Wisconsin to Winthrop Harbor Illinois. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Friday Chances for thunderstorms return late this weekend through much of the Independence Day holiday. The chances for thunderstorms will continue each day next week. LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-030145- 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- 837 PM CDT Fri Jul 1 2022 This Hazardous Weather Outlook is for the open waters of Lake Michigan. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Friday Chances for thunderstorms return late this weekend through much of the Independence Day holiday. The chances for thunderstorms will continue each day next week. www.weather.gov/mkx
The Milwaukee radar (KMKX), 65 km away, was scanning. The volume nearest the first event began at 02:59 UTC.
3 hail, 1 lightning, 1 thunderstorm wind, 1 heavy rain, 1 flash flood. Local standard time, as filed.
A lightning strike and subsequent fire to a residential home resulted in significant damage.
A couple reports of 1 inch hail in Orfordville during this time.
A swath of tree damage from Orfordville to the Town of Newark. An area of flattened corn just northwest of Orfordville. Wind driven hail was likely.
The New Berlin Fire Department determined heavy rain accumulation was a factor in a partial roof collapse of a large sports complex. Approximately 3 inches of rain had fallen.
Flash flooding of small creek onto Ramsey Avenue, thereby blocking traffic. 1 foot or more of water in intersections of South 27th St. and Ramsey Ave., and South 27th St. and College Avenue. Storm sewers flooded with water coming out of manhole covers. Some cars stalled in flood waters.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2022Every state in 2022This day in weather historyWarnings in Wisconsin, July 2022
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1039928, 1039924, 1039925, 1039927, 1039926, 1039939, 1039958.