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EF1 tornado in Waupaca County, Wisconsin

Tornado July 20, 2019 · Waupaca County, Wisconsin

EF1
Rating
7.5 mi
Path length
80 yd
Path width
$150K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 80 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

A tornado formed south of Waupaca and moved east-northeast to near White Lake. The tornado damaged siding and shingles on six homes (DI 2, DOD 2) and an apartment in a new subdivision near the Waupaca Airport. The garage door of a newer home was blown completely in, causing damage to the roof of the house (DI 2, DOD 4). Another house had a small part of its roof heavily damaged. Numerous trees were also damaged along the path. Peak winds were estimated around 90 mph.

The wider storm

For the second consecutive day, a line of powerful thunderstorms moved across portions of central and east-central Wisconsin. The worst damage occurred from Wood/Portage counties eastward into the Fox Valley and lakeshore. Trees were uprooted or snapped and several structures were damaged as a result of straight-line winds and six weak, fast-moving tornadoes.

There was also a fatality due to drowning in Keshena (Menominee Co.) from abnormally fast flows on the Wolf River.

Began near Waupaca (44.3332, -89.0561).

Other tornadoes from the same storm system

4 more tornadoes the National Weather Service filed under this storm episode.

EF1 Waupaca CountyEF1 Outagamie CountyEF0 Waupaca CountyEF0 Outagamie County

Source: NOAA Storm Events Database, event 841439. Narratives are written by the National Weather Service forecast office that issued the report.

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