Storm Record · Waukesha County
August 16, 2012: Hail in Waukesha County
What the National Weather Service recorded
Thunderstorms developed over western Wisconsin ahead of a cold front, with isolated thunderstorms becoming severe as they moved into South Central Wisconsin. The storms strengthened as they moved into a region of increased instability, with most-unstable CAPE up to 1000 J/kg and moderate effective shear. The severe thunderstorms produced wind gusts up to 50 knots (58 mph) that downed trees in Marquette County, with strong thunderstorms producing nickel-sized hail near Brookfield in Waukesha County during the early morning hours of August 16th.
Source: NOAA Storm Events Database · episode 67980
Every report, in the Weather Service's words
Where It Hit
| Location | County | Hazard | Size | Report |
|---|---|---|---|---|
| Brookfield (3 SW) | Waukesha | Hail | 0.88" hail | A trained spotter reported nickel-sized hail (0.88 inch in diameter) near the intersection of Interstate 94 and Moorland Road in Brookfield. |