Thunderstorms developed northwest of an upper low over Michigan, as cold air aloft created an unstable atmosphere.  A cold front later moved into Wisconsin from the west and produced additional storms.  The storms produced large hail, wind damage, at least one funnel cloud and heavy rain that caused some flash flooding.

Flash Flood in WAUSHARA, WISCONSIN
From 26-JUL-07 20:00:00 to 26-JUL-07 21:00:00 (CST-6)
Location: WAUTOMA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

As much as 4.50 inches of rain fell in about two hours around Wautoma between 7:30 and 9:30 PM.  The heavy rain caused waters to rapidly rise on roads in Wautoma, temporarily closing them.  Two basements also experienced flooding.

Funnel Cloud in SHAWANO, WISCONSIN
From 26-JUL-07 15:35:00 to 26-JUL-07 15:35:00 (CST-6)
Location: BIRNAMWOOD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A funnel cloud, that nearly touched down, was reported by the public and relayed via the sheriff's department.  Listed time is approximate.

Hail in WAUPACA, WISCONSIN
From 26-JUL-07 14:14:00 to 26-JUL-07 14:14:00 (CST-6)
Location: IOLA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WAUPACA, WISCONSIN
From 26-JUL-07 14:21:00 to 26-JUL-07 14:21:00 (CST-6)
Location: SCANDINAVIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WAUPACA, WISCONSIN
From 26-JUL-07 14:30:00 to 26-JUL-07 14:30:00 (CST-6)
Location: SCANDINAVIA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy Rain in WAUSHARA, WISCONSIN
From 26-JUL-07 18:30:00 to 26-JUL-07 18:30:00 (CST-6)
Location: WAUTOMA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

An automated rain gauge from a local television station Weathernet reported 3.09 inches of rain at Wautoma.

Hail in WAUPACA, WISCONSIN
From 26-JUL-07 15:24:00 to 26-JUL-07 15:24:00 (CST-6)
Location: IOLA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Heavy Rain in MARATHON, WISCONSIN
From 26-JUL-07 18:50:00 to 26-JUL-07 19:10:00 (CST-6)
Location: MOSINEE CENTRL WISCO
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS at Central Wisconsin Airport, in Mosinee, recorded 1.10 inches of rain in 20 minutes.

Thunderstorm Wind in VILAS, WISCONSIN
From 26-JUL-07 15:25:00 to 26-JUL-07 15:25:00 (CST-6)
Location: ST GERMAIN
Magnitude: 70.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A thunderstorm wind gust downed hundreds of trees and knocked down power lines in St. Germain.  At least six homes were damaged by the fallen trees.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 26-JUL-07 18:15:00 to 26-JUL-07 18:15:00 (CST-6)
Location: WAUTOMA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds knocked down trees at scattered locations around the county.  Heavy rainfall with the storms resulted in some street flooding in Wautoma.

Thunderstorm Wind in CALUMET, WISCONSIN
From 26-JUL-07 18:50:00 to 26-JUL-07 18:50:00 (CST-6)
Location: NEW HOLSTEIN
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Straight-line winds from a thunderstorm, likely a wet microburst, downed trees and branches and flooded area roads.  The high winds blew two airplanes into each other at New Holstein Municipal Airport when a tie-down broke loose, threw a tree branch through the top of another plane's wing and flipped a pop-up camper severely damaging it.

Thunderstorm Wind in MARATHON, WISCONSIN
From 26-JUL-07 18:10:00 to 26-JUL-07 18:10:00 (CST-6)
Location: CHEROKEE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm winds downed a tree and many branches east of Colby.

Hail in WAUPACA, WISCONSIN
From 26-JUL-07 15:49:00 to 26-JUL-07 15:49:00 (CST-6)
Location: SCANDINAVIA
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PORTAGE, WISCONSIN
From 26-JUL-07 16:22:00 to 26-JUL-07 16:22:00 (CST-6)
Location: PERU
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WAUPACA, WISCONSIN
From 26-JUL-07 16:30:00 to 26-JUL-07 16:30:00 (CST-6)
Location: IOLA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Heavy Rain in VILAS, WISCONSIN
From 26-JUL-07 14:46:00 to 26-JUL-07 15:31:00 (CST-6)
Location: BOULDER JCT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A National Weather Service cooperative observer measured 1.12 inches of rainfall in 45 minutes.

Heavy Rain in WAUPACA, WISCONSIN
From 26-JUL-07 13:45:00 to 26-JUL-07 15:55:00 (CST-6)
Location: IOLA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator measured rainfall of 4.45 inches in a little more than 2 hours.  The heavy rain resulted in some street flooding in Iola.

Heavy Rain in LANGLADE, WISCONSIN
From 26-JUL-07 16:56:00 to 26-JUL-07 17:00:00 (CST-6)
Location: PICKEREL
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator measured 0.50 inch of rain in just 4 minutes and total rainfall of 1.50 inches in 2 hours at Pickerel.

Heavy Rain in MARATHON, WISCONSIN
From 26-JUL-07 18:20:00 to 26-JUL-07 18:35:00 (CST-6)
Location: WAUSAU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A Wausau television station measured 0.75 inch of rain in just 15 minutes.