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EF1 tornado in Jefferson County, Wisconsin

Tornado February 8, 2024 · Jefferson County, Wisconsin

EF1
Rating
25.9 mi
Whole path
400 yd
Path width
1
Injury
$6.8M
Damage as recorded

NOAA records this tornado county by county. Its path ran through Rock County → Dane County → Jefferson County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 400 yards (0.23 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

This portion of the tornado was also mainly EF-0 or EF-1 type damage as it tracked along the north side of Lake Koshkonong through Busseyville. A few barns and outbuildings made of sheet metal had damage to them along with one residence.

The wider storm

A historic tornado event for Wisconsin as the first documented tornado occurred in the month of February. An approaching cold front and upper level disturbance initiated the severe thunderstorms from late afternoon into the early evening. An EF-1 tornado occurred in Green County near Juda/Albany and then a second tornado developed which was stronger and produced EF-2 level damage. The long track tornado impacted 30 houses and numerous barns and outbuildings. Only 1 injury occurred when the tornado hit someone driving a car near Hwy 14 and Territorial Rd. A high volume of hail also occurred with these storms, but the largest hailstone were generally just at or above severe levels.

Began near Busseyville (42.8895, -89.0133).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 1154238. Narratives are written by the National Weather Service forecast office that issued the report.

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