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EF0 tornado in Armstrong County, Texas

Tornado April 21, 2007 · Armstrong County, Texas

EF0
Rating
0.5 mi
Path length
440 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 440 yards (0.25 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

This tornado formed nine miles east northeast of Claude at 2035 CST and tracked north for a half mile before exiting Armstrong county at 2037 CST. The tornado continued in Carson county for about another ten miles before dissipating at 2110 CST. The tornado remained over open country in Armstrong county and no damage or injuries were reported. While the tornado was rated at EF0 in Armstrong county... it was rated an EF2 in Carson county.

The wider storm

Numerous severe thunderstorms producing large hail...damaging winds...and tornadoes moved north and northeast across the western and central Texas panhandle during the evening hours. The only injuries occurred in Cactus from a tornado...however no fatalities were reported.

Began near Claude (35.1698, -101.2230).

Other tornadoes from the same storm system

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

EF2 Moore CountyEF2 Carson CountyEF2 Moore CountyEF1 Oldham CountyEF1 Moore CountyEF1 Armstrong CountyEF1 Moore CountyEF1 Randall CountyEF1 Gray CountyEF0 Sherman CountyEF0 Sherman CountyEF0 Moore CountyEF0 Moore CountyEF0 Armstrong CountyEF0 Sherman County

Source: NOAA Storm Events Database, event 29733. Narratives are written by the National Weather Service forecast office that issued the report.

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