Storm Record · Columbia, Dane, Sauk Counties
July 13, 2015: Straight-line wind in Columbia, Dane and Sauk Counties
1.5″
Largest hail
90
Strongest gust
9
NWS reports
What the National Weather Service recorded
Developing low pressure over southern WI and its cold front combined with very unstable conditions to trigger severe thunderstorms. Large hail and damaging winds were prevalent.
Source: NOAA Storm Events Database · episode 96217
Every report, in the Weather Service's words
Where It Hit
| Location | County | Hazard | Size | Report |
|---|---|---|---|---|
| Rockdale (2.51 WNW) | Dane | Wind | 90 mph wind | A swath of downburst wind damage occurred. Many 20 to 30 inch diameter trees down. Trees down on houses and power lines. Shingle and siding damage at one residence. |
| Lone Rock Airport | Sauk | Wind | 61 mph wind | |
| East Bristol | Dane | Wind | 58 mph wind | Three foot diameter tree down on road. |
| Dekorra (4.22 SSW) | Columbia | Wind | 58 mph wind | Large tree down on Kent Road. |
| Poynette (4.07 W) | Columbia | Wind | 58 mph wind | Large tree down on Kent Road. |
| Dekorra (4.08 WNW) | Columbia | Wind | 58 mph wind | A tree down on a road. |
| Spring Green (1.38 S) | Sauk | Hail | 1.5" hail | Gusty winds estimated at 50 mph with the falling hail. |
| Poynette (.85 SW) | Columbia | Hail | 1.5" hail | |
| Poynette (2.04 NE) | Columbia | Hail | 1.5" hail |