Storm Record · Dane, Jefferson, Sauk, Waukesha Counties
July 2, 2008: Hail across four counties
1″
Largest hail
64
Strongest gust
4
NWS reports
What the National Weather Service recorded
Clusters or short, bowing segments of lines of storms resulted in scattered reports of large hail up to 1 inch in diameter and powerful downburst winds to about 56 knots (65 mph) that toppled trees. The storms developed in a pre-frontal convergence zone ahead of a cold front. Air temperatures were in the lower to middle 80s with surface dewpoints in the upper 60s to lower 70s. CAPE values were 1500 to 2000.
Source: NOAA Storm Events Database · episode 20125
Every report, in the Weather Service's words
Where It Hit
| Location | County | Hazard | Size | Report |
|---|---|---|---|---|
| Hartland | Waukesha | Wind | 64 mph wind | Powerful thunderstorm winds toppled large trees and broken branches pulled some power-lines down. |
| Johnson Creek | Jefferson | Hail | 1" hail | |
| Lake Delton (4 SE) | Sauk | Hail | 0.75" hail | |
| Mt Horeb (2 E) | Dane | Hail | 0.75" hail |
Service areas this storm touched