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EF0 tornado in Beaver County, Pennsylvania

Tornado October 16, 2021 · Beaver County, Pennsylvania

EF0

Rating

0.9 mi

Path length

50 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 EF0 tornado touched down in the town of Shippingport early

Saturday morning before daybreak. The damage was located on

Second Avenue with three trees being uprooted. The tornado

traveled east and blew the roof off a pavilion behind the

Shippingport municipal building then continued to uproot and tear

off large branches until it lifted before reaching Shippingport

Hill Road. Estimated Maximum Wind Speed...95 mph.

The wider storm

A lone supercell, that advanced along a cold front, formed in the early morning hours of October 16th. This cell had a history of tornadoes before tracking into eastern Ohio and western PA. The supercell was located near a mesoscale low and/or mesoscale vortex, which supported locally enhanced helicity. Furthermore, this cell was in an area of relatively stronger low-level instability. Surface dew points were favorable, low/mid 60s, prior to touch down and there were backed surface winds.

Began near Midland (40.6269, -80.4280).

Other tornadoes from the same storm system

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

EF1 Beaver County EF1 Jefferson County

Source: NOAA Storm Events Database, event 987665. Narratives are written by the National Weather Service forecast office that issued the report.

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