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EF1 tornado in Williamson County, Texas

Tornado April 12, 2022 · Williamson County, Texas

EF1

Rating

16.6 mi

Whole path

500 yd

Path width

Injuries

$100K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Williamson County → Bell County; the totals above are for the whole tornado.

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

The Florence tornado formed just east of SH195 and the first observed damage to trees and some homes were seen along Ramms Drive. At this area significant tree damage was observed with several large mature oak trees uprooted. The damage in this area was rated EF1. The tornado continued east and crossed CR228 where more tree damage was seen. The tornado turned toward the east-northeast and likely remained on the ground east of CR228 (Doppler radar indicated a tornado debris signature). After approximately 1.3 miles the storm turned back to the east before it neared the Williamson/Bell County line about 0.15 miles west-northwest of CR231 in far northern Williamson County. A mobile home was shifted off its foundation at this location on the county line and multiple large oak trees were snapped and uprooted. This damage was also rated EF1. While in Williamson County this tornado had a maximum width of 500 yards and maximum winds of near 100 mph with a path length of 3.54 miles.

The wider storm

A dryline moved into a warm, moist airmass over South Central Texas and generated thunderstorms. Some of these storms produced large hail and one tornado.

Began near Florence (30.8846, -97.7880).

Source: NOAA Storm Events Database, event 1021318. Narratives are written by the National Weather Service forecast office that issued the report.

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