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EF0 tornado in Collin County, Texas

Tornado March 30, 2007 · Collin County, Texas

EF0
Rating
0.8 mi
Path length
40 yd
Path width
$500K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 40 yards (0.02 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 storm survey was conducted by the National Weather Service in Fort Worth to ascertain the cause of damage. Based on observed damage and eyewitness reports, a tornado touched down just west of FM 1378 and roughly one mile south of Parker Road. Approximately 25 to 30 homes in and south of the Riverchase subdivision suffered substantial damage to roofs and garage doors. Several other homes suffered minor roof damage, broken windows, and fence damage. In addition, several trees along the track were downed.

This tornado was rated EF-1 with estimated wind speeds of 95 MPH. This tornado developed along the leading edge of a bow echo.

The wider storm

An upper low pressure system situated to the west brought large scale lift to north Texas. Southerly winds brought deep rich moisture from the Gulf of Mexico. These and other factors caused numerous thunderstorms to develop. Widespread flooding and wind damage followed, as well as a few tornadoes.

Began near Wylie (33.0200, -96.5500).

Other tornadoes from the same storm system

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

EF1 Coryell CountyEF1 McLennan CountyEF0 Eastland CountyEF0 Erath CountyEF0 Bell CountyEF0 McLennan County

Source: NOAA Storm Events Database, event 15452. Narratives are written by the National Weather Service forecast office that issued the report.

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