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F1 tornado in Cooke County, Texas

Tornado April 11, 2001 · Cooke County, Texas

Rating

5.5 mi

Path length

50 yd

Path width

$5K

Damage as recorded

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The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F1 means. This tornado was rated on Fujita’s original scale, used until 2007. F1 meant moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken; the scale paired it with winds of 73–112 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

The first of three tornadoes touched down 1 mile south of Era, moved northeast and dissipated approximately 4.5 miles northeast of Era. This tornado occurred in a thunderstorm ahead of a line of thunderstorms that produced the other two tornadoes. There was roof damage south of Era and signs and trees limbs blown down northeast of Era.

The wider storm

April 11th, Episode NarrativeAn upper level low pressure system over West Texas helped initiate thunderstorm development which then moved across North Texas overnight. A squall line with a few embedded supercells moved over the region. The primary severe weather events were wind and hail damage. Supercells along the Red River produced tornadoes in Cooke County before moving north of the Red River into Oklahoma. Numerous reports of damage from strong winds were also received across North Texas.

Began near Era (33.4833, -97.3000).

Other tornadoes from the same storm system

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

F1 Cooke County F1 Cooke County

Source: NOAA Storm Events Database, event 5237567. Narratives are written by the National Weather Service forecast office that issued the report.

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