This episode was the 2nd round of severe storms over southern Wisconsin on July 7th.  A line of storms moved west to east across southern Wisconsin during the evening hours.  Powerful thunderstorm downburst winds were generated which knocked down trees and power-lines that left about 23,000 customers without electrical power.  Additionally, one isolated tornado spun up on the leading edge of the line of storms in southern Green Lake County, where a microburst pushed ahead and enhanced local vorticiy/rotation in a storm cell.  The storms were associated with a short-wave trough at 500 MB moving east through Wisconsin, with a 30 knot low-level jet at 850 MB.  Surface temperatures were in the 80s and surface dewpoints werer around 70.

Thunderstorm Wind in DANE, WISCONSIN
From 07-JUL-08 21:15:00 to 07-JUL-08 21:15:00 (CST-6)
Location: MONONA
Magnitude: 65.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Newspaper

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.  One home had its living room and bedroom windows and wall damaged by a toppled large tree.

Thunderstorm Wind in GREEN LAKE, WISCONSIN
From 07-JUL-08 18:00:00 to 07-JUL-08 18:00:00 (CST-6)
Location: GREEN LAKE
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Thunderstorm Wind in DODGE, WISCONSIN
From 07-JUL-08 18:10:00 to 07-JUL-08 18:13:00 (CST-6)
Location: FOX LAKE
Magnitude: 56.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Lightning in JEFFERSON, WISCONSIN
From 07-JUL-08 19:30:00 to 07-JUL-08 19:30:00 (CST-6)
Location: WATERTOWN AIRPORT
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

LIghting struck and injured a 16-year boy.  He was transfered to  a hospital for medical treatment.

Lightning in RACINE, WISCONSIN
From 07-JUL-08 08:05:00 to 07-JUL-08 08:05:00 (CST-6)
Location: RAYMOND
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a home and the resultant fire damaged the roof and TV antenna.

Lightning in JEFFERSON, WISCONSIN
From 07-JUL-08 19:25:00 to 07-JUL-08 19:25:00 (CST-6)
Location: GRELLTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck and killed a boy watching the storms outside. He lived on Ebenezer Road in the Civil Town of Watertown.

Tornado in GREEN LAKE, WISCONSIN
From 07-JUL-08 18:04:00 to 07-JUL-08 18:06:00 (CST-6)
Location: MANCHESTER
Tornado F-scale: EF1
Property damage: 30.00K
Crop damage: 10.00K
Reported by: Emergency Manager

A brief, weak tornado spun up in a rural area southeast of Manchester, and uprooted or damage trees, pulled a roof off a pole shed, damaged the overhang and roofing of a residential home's garage, and damaged a part a small part of another home's roof.  This tornado spun up just southeast of Lake Maria, and moved east-northeast across CTH O about 1/2 mile north of the county line, and then dissipated in open fields.  Some corn crop was also damaged.  The starting and ending lat/long pairs of numbers were:  43.63654/-88.98887 and 43.64454/-88.96897.  DI#2 (FR12), DOD4.  Winds were estimated at 97 mph, and the average path width was about 40 yards.

Thunderstorm Wind in ROCK, WISCONSIN
From 07-JUL-08 21:51:00 to 07-JUL-08 21:51:00 (CST-6)
Location: EVANSVILLE
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Thunderstorm Wind in ROCK, WISCONSIN
From 07-JUL-08 22:21:00 to 07-JUL-08 22:21:00 (CST-6)
Location: BELOIT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Thunderstorm Wind in SAUK, WISCONSIN
From 07-JUL-08 17:00:00 to 07-JUL-08 17:00:00 (CST-6)
Location: REEDSBURG
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Thunderstorm Wind in WAUKESHA, WISCONSIN
From 07-JUL-08 19:40:00 to 07-JUL-08 19:41:00 (CST-6)
Location: DOWNTOWN WAUKESHA
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Thunderstorm Wind in ROCK, WISCONSIN
From 07-JUL-08 21:00:00 to 07-JUL-08 21:00:00 (CST-6)
Location: DOWNTOWN JANESVILLE
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.  Some light posts were broken on the north and northeast sides of Janesville.

Thunderstorm Wind in SAUK, WISCONSIN
From 07-JUL-08 16:25:00 to 07-JUL-08 16:25:00 (CST-6)
Location: LA VALLE
Magnitude: 65.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Powerful thunderstorm wind gusts toppled several large trees and broke branches that brought down some power-lines.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 07-JUL-08 18:47:00 to 07-JUL-08 18:47:00 (CST-6)
Location: BELMONT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

Powerful thunderstorm wind gusts broke large branches.