What is a severe thunderstorm warning?
A severe thunderstorm warning means the area is experiencing or is about to experience a storm with winds of 58 mph or higher, or hail an inch in diameter or larger.
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Weather / Severe Weather
Severe Thunderstorm Warnings Issued Across Wisconsin - August 18, 2025
On August 18, 2025, the National Weather Service issued multiple severe thunderstorm warnings across southeastern Wisconsin, threatening several counties with damaging winds and possible tornadoes. Stay informed and take necessary precautio...
Key Insights
- Severe thunderstorm warnings were issued for Dane, Waukesha, and Jefferson counties.
- Wind gusts up to 70 mph were reported, with potential for damage to roofs, siding, and trees.
- The National Weather Service warned of possible tornadoes developing quickly from severe thunderstorms.
- A severe thunderstorm watch was in effect for Ozaukee, Washington, Dodge, Jefferson, Waukesha, Milwaukee, Racine, Kenosha, Walworth and Rock counties until 6 p.m.
In-Depth Analysis
The severe weather system developed around 10 a.m. and was expected to reach Milwaukee around 2 p.m. The storms moved eastward at speeds between 25 and 35 mph.
The warnings included specific locations such as:
- **Dane County:** Madison, Sun Prairie, Fitchburg, Middleton, Stoughton, Verona
- **Waukesha County:** Waukesha, New Berlin, Brookfield, Muskego, Pewaukee, Hartland
- **Jefferson County:** Whitewater, Fort Atkinson, Jefferson, Johnson Creek, Palmyra
Residents were advised to seek shelter in interior rooms on the lowest floor of a building and stay away from windows. Securing loose objects outside was also recommended to prevent them from becoming dangerous debris.
FAQ
What should I do during a severe thunderstorm?
Seek shelter immediately in a basement or interior room, away from windows. Secure loose objects outside and bring pets indoors.
Takeaways
- Stay informed about weather updates and alerts from the National Weather Service.
- Know the difference between a severe thunderstorm watch and a warning.
- Have a plan in place for seeking shelter in case of a tornado.
- Secure outdoor objects and bring pets inside during severe weather.
Discussion
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Sources
Disclaimer
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