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EF1 tornado in Denton County, Texas

Tornado May 7, 2015 · Denton County, Texas

EF1
Rating
12.7 mi
Path length
500 yd
Path width
$200K
Damage as recorded
$10K
Crop damage
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 500 yards (0.28 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 National Weather Service damage survey crew found evidence of EF-1 damage, especially near the Bolivar community in western Denton County, Texas. This tornado formed from the same parent supercell which produced a tornado in Wise County. The tornado began in the far southwestern portion of Denton County, producing damage to open farm and ranch land. Once the storm moved into the Bolivar community, damage to several roofs on homes were noted, as well as substantial damage to barns. A metal storage tank was lifted and thrown into the base of a high tension power line, causing the steel beams to collapse.

The wider storm

A cold front moved south out of the Texas panhandle on May 6th, and was draped across north Texas on the 7th and 8th. The front stalled across the northwestern sections of north Texas and combined to produce severe thunderstorms including large hail, tornadoes, and flash flooding. Flash flooding across Cooke County caused significant impacts, including a late night train derailment.

Began near Stony (33.2550, -97.3877).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 570053. Narratives are written by the National Weather Service forecast office that issued the report.

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