Storm Record · Columbia, Dane Counties
October 7, 2017: Straight-line wind and a tornado in Columbia and Dane Counties
70
Strongest gust
1
Tornado
2
NWS reports
What the National Weather Service recorded
A strong upper trough and cold front resulted in a broken line of convection. An EF0 tornado occurred from Madison to Sun Prairie, and straight-line wind damage occurred in Pardeeville.
Source: NOAA Storm Events Database · episode 120042
Every report, in the Weather Service's words
Where It Hit
| Location | County | Hazard | Size | Report |
|---|---|---|---|---|
| Pardeeville (1.34 NW) | Columbia | Wind | 70 mph wind | Several large trees uprooted or snapped. Large branches also down. Structural damage to several homes from trees landing on them. Two pontoon boats that were resting on boat lifts were overturned into the lake. |
| Maple Bluff (.73 SSW) | Dane | Tornado | EF0 | An EF0 tornado started near the intersection of S. First St. and Winnebago St. in Madison and tracked over 9 miles to Sun Prairie, paralleling Highway 151 for most of the path. In Madison, approximately, 200 trees were damaged or destroyed. Some of the trees landed on homes, garages, and vehicles. At least three households were displaced due to damage to their homes. The rear wall of a car wash collapsed, and the three-season porch of a home collapsed. A roof was partially torn away from a commercial building. Many power lines were downed with some arcing. In total, four commercial buildings and 12-18 homes sustained some damage. In Sun Prairie, near and east of the intersection of W. Main St. and O'Keeffe Ave., several traffic standards, streets signs, and construction barrels were damaged or knocked down. A truck topper was removed from a truck and a small wood shed was damaged. Several trees and branches were down, including a tree on a house. |
Service areas this storm touched