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F3 tornado in Collin County, Texas

Tornado May 9, 2006 · Collin County, Texas

F3
Rating
4.0 mi
Path length
300 yd
Path width
2
Deaths
6
Injuries
$1.0M
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F3 means. This tornado was rated on Fujita’s original scale, used until 2007. F3 meant severe damage: whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned; the scale paired it with winds of 158–206 mph, figures later judged too high, especially toward the top of the scale, and revised downward in the Enhanced Fujita scale. Ratings then, as now, came from the damage.

What the National Weather Service wrote

A damage survey conducted by the National Weather Service in Fort Worth found that a significant tornado developed approximately three miles east-northeast of Anna. A house was unroofed and another damaged just east of Collin County Road 477. Trees and power lines were also downed. A roof was damaged along FM 2862 west of Collin County Road 480. The tornado ranged from an F1 to an F2 on the Fujita Tornado Intensity Scale during this part of its lifetime. The tornado then turned on a slightly more northerly track.The tornado reached its maximum intensity of F3 as it crossed FM 3133 just north of the Westminster community. Vegetation west of FM 3133 was scoured. Two homes were heavily damaged south of Collin County Road 531. A mobile home and several permanent structures suffered heavy damage along Brangus and Black Roads, near the Collin-Grayson County line. These were the locations of the fatalities. Several other people suffered injuries and were transported to hospitals. Numerous livestock were killed. The affected parts of Collin County were declared disaster areas.The tornado continued on its destructive path as it crossed into Grayson County.

Began near Anna (33.3667, -96.5167).

Other tornadoes from the same storm system

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

F3 Grayson County 1 deadF0 Collin CountyF0 Collin CountyF0 Grayson County

Source: NOAA Storm Events Database, event 5511066. Narratives are written by the National Weather Service forecast office that issued the report.

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