Storm Record · Columbia, Dane, Dodge, Sauk, Waukesha Counties

October 4, 2006: Hail across five counties

1.75″
Largest hail
58mph
Strongest gust
9
NWS reports

What the National Weather Service recorded

Scattered clusters of severe storms developed across south-central and southeast Wisconsin during the pre-dawn hours. Synoptically, a warm front moved slowly north through Iowa and northern Illinois, while an upper-level short-wave moved east. A low-level jet pumped moisture into southern Wisconsin, while surface dewpoints peaked in the mid-60s along the warm front.

Source: NOAA Storm Events Database · episode 473

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
Hartland (5 NW) Waukesha Wind 58 mph wind Large trees were toppled by powerful thunderstorm winds.
Reedsburg Sauk Hail 1.75" hail A hailstorm dumped hail stones with diameters from 1.00 to 1.75 inch from Reedsburg to Baraboo, with most of the activity in the Reedsburg area. Hundreds of vehicles were damaged by the hail stones. Three insurance companies reported 375 claims totaling about $900,000.
Portage (4 S) Columbia Hail 1" hail
East Bristol (1 NE) Dane Hail 0.88" hail
Wyocena Columbia Hail 0.88" hail
Poynette (3 E) Columbia Hail 0.88" hail
Poynette Columbia Hail 0.75" hail
Reeseville Dodge Hail 0.75" hail
Marshall Dane Hail 0.75" hail
Source: NOAA Storm Events Database, Wisconsin