Storm Record · Walworth County

July 23, 2009: Hail in Walworth County

0.75″
Largest hail
1
NWS reports

What the National Weather Service recorded

Large-scale atmospheric lift and wind shear associated with a short wave trough combined with an unstable air mass over the region to produce rotating thunderstorms that produced large hail over southern Wisconsin during the afternoon hours of July 23rd.

Source: NOAA Storm Events Database · episode 32272

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
La Grange (4.1 E) Walworth Hail 0.75" hail The public reported that hail, estimated to be 3/4 inch in diameter and driven by gusty thunderstorm winds, damaged corn crops in northeast Walworth County.
Source: NOAA Storm Events Database, Wisconsin