Storm Record · Columbia, Dane, Dodge, Jefferson Counties

May 19, 2005: Hail across four counties

1″
Largest hail
70mph
Strongest gust
6
NWS reports

What the National Weather Service recorded

Scattered thunderstorms pulsed to severe limits across south-central and southeast Wisconsin along and ahead of a cold front. Large hail [3/4 inch to 1.75 inch in diameter(golfball size)], damaging downburst winds, and some funnel clouds were produced. Hail up to 1.25 inch in diameter fell in Brodhead (Green Co.), resulting in 500 dollars of damage to a vehicle's windshield. Power-lines were brought down by tree debris near Busseyville. A frontal boundary stretched from central Minnesota through southern Wisconsin to northern Indiana during the afternoon of May 19. Temperatures were in the mid 40s across northeast Wisconsin, while places across central Illinois recorded temperatures in the low to mid 80s. As a low pressure system traveled along this front, scattered thunderstorms developed over southern Wisconsin., as a result of the strong temperature contrast during the early to mid afternoon. , and a few funnel clouds.

Source: NOAA Storm Events Database · episode 1190440

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
Busseyville (1 S) Jefferson Wind 70 mph wind Powerlines down.
Portage (2 S) Columbia Hail 1" hail
Richwood (3 W) Dodge Hail 1" hail
Madison (5 SW) Dane Hail 0.88" hail
Portage (2 W) Columbia Hail 0.75" hail
Waterloo Jefferson Hail 0.75" hail
Source: NOAA Storm Events Database, Wisconsin

Service areas this storm touched