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

May 15, 2017: Hail across five counties

2.5″
Largest hail
58mph
Strongest gust
10
NWS reports

What the National Weather Service recorded

A surge of warm and moist air aloft brought rounds of strong to severe thunderstorms to southern WI. Large hail and tree damage occurred.

Source: NOAA Storm Events Database · episode 115179

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
Henry Vilas Park Zoo (2.07 S) Dane Wind 58 mph wind A tree blown over.
Hebron (2.14 WNW) Jefferson Wind 58 mph wind A tree down.
Summit Corners (.5 W) Waukesha Wind 58 mph wind Several large tree limbs blown down.
Windsor (.5 W) Dane Hail 2.5" hail
De Forest (1.01 W) Dane Hail 2" hail
Norway Grove (2.07 S) Dane Hail 1.75" hail
Beaver Dam Arpt (2.86 WNW) Dodge Hail 1" hail
Poynette (1.22 SW) Columbia Hail 1" hail
De Forest (1.22 NW) Dane Hail 1" hail
Waunakee (.69 N) Dane Hail 0.88" hail
Source: NOAA Storm Events Database, Wisconsin