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EF0 tornado in Fauquier County, Virginia

Tornado August 11, 2017 · Fauquier County, Virginia

EF0
Rating
1.4 mi
Path length
100 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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

Numerous trees were uprooted and large branches snapped along a

1.2-mile long path that paralleled John Marshall Highway just to

its south. Some trees fell on power lines and homes. The tornado

touched down as the circulation crossed Blantyre Road between

Trapp Branch Road and Georgetown Road, then tracked east and

lifted two minutes later shortly after crossing Beverlys Mill

Road a quarter mile south of John Marshall Highway.

KLWX Doppler Radar and FAA Terminal Doppler Radars showed a

rotating supercell with a classic hook echo signature crossing

these areas between 608 and 610 PM. Tree damage showed a

convergent signature, implying rotation reached the ground.

The wider storm

A cold front and an upper-level trough caused showers and thunderstorms to develop. Some thunderstorms were severe due to stronger winds aloft and an unstable atmosphere.

Began near Broad Run (38.8222, -77.7330).

Source: NOAA Storm Events Database, event 717612. Narratives are written by the National Weather Service forecast office that issued the report.

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