Storm Record · Columbia, Dane Counties

August 9, 2018: Hail and a tornado in Columbia and Dane Counties

0.75″
Largest hail
1
Tornado
2
NWS reports

What the National Weather Service recorded

Lines of strong to severe thunderstorms developed near a weak cold front over southern WI during the afternoon and early evening. One brief EF0 tornado occurred in Deerfield, WI.

Source: NOAA Storm Events Database · episode 127515

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
Okee (3.01 W) Columbia Hail 0.75" hail
Deerfield (.67 NW) Dane Tornado EF0 A brief EF0 tornado uprooted and snapped trees with many branches down. An industrial building suffered significant roof damage after the garage door was blown in. There was minor roof damage to an additional industrial building. Stainless steel drums and other smaller equipment was damaged from being thrown. Insulation from the damaged roof was deposited along the path of the tornado and into Deerfield Community Park.
Source: NOAA Storm Events Database, Wisconsin

Service areas this storm touched