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EF1 tornado in Williamson County, Texas

Tornado May 25, 2015 · Williamson County, Texas

EF1

Rating

0.3 mi

Path length

100 yd

Path width

$50K

Damage as recorded

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 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

Williamson County Emergency Management assisted in performing a damage survey on a private residence and ranch. Several large oak trees were uprooted and damaged. Minor roof damage was observed on the main ranch house including the chimney which was destroyed. A small garage was severely damaged as the roof was lifted off and thrown approximately 100 yards. A resident on the ranch witnessed the tornado and sheltered in the small garage until the roof was lifted off.

The wider storm

An upper level low moved into the central plains and a shortwave trough moved across Texas. The low level airmass remained very moist and the result was thunderstorms that produced heavy rain and isolated severe weather.

Began near Georgetown (30.6380, -97.7310).

Other tornadoes from the same storm system

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

EF1 Bastrop County EF1 Gillespie County EF1 Fayette County EF0 Wilson County EF0 Wilson County EF0 Blanco County

Source: NOAA Storm Events Database, event 595100. Narratives are written by the National Weather Service forecast office that issued the report.

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