EF1 tornado in Oconto County, Wisconsin

Tornado June 25, 2024 · Oconto County, Wisconsin

EF1

Rating

9.0 mi

Whole path

83 yd

Path width

NOAA records this tornado county by county. Its path ran through Menominee (c) County → Oconto County; the totals above are for the whole tornado.

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The path drawn at its surveyed width of 83 yards (0.05 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

The tornado that developed near Highway 55 northwest of Keshena at 2:25 AM CDT crossed the county line at 2:33 AM CDT. The tornado tracked east-southeast across Berry Lake before lifting at 2:34 AM CDT. The tornado downed multiple power lines, snapped and uprooted trees, and flipped several campers at a campground along the path. Total path length is estimated to be 8.96 miles long, with a width of 83 yards. Peak wind estimated to be around 98 mph.

The wider storm

Isolated thunderstorms developed ahead of a warm front during the late evening on Monday (6/24) producing large hail. A Quasi-Linear Convective System developed across northwest Wisconsin and tracked southeast through northeastern Wisconsin during the overnight hours into early Tuesday morning (6/25). The storms produced widespread straight-line wind damage, an isolated tornado, and some flash flooding across the region.

Began near Underhill (44.8960, -88.4888).

Source: NOAA Storm Events Database, event 1180406. Narratives are written by the National Weather Service forecast office that issued the report.

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