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F1 tornado in Johnson County, Nebraska

Tornado April 15, 2006 · Johnson County, Nebraska

Rating

34.0 mi

Whole path

200 yd

Path width

$5.0M

Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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

This tornado formed about 6 miles west of Wymore at 433 pm CDT (1533 CST), tracked northeast to around 4 miles east of Beatrice where it caused f2 damage, then tracked just south of Adams and crossed into Johnson county 2 miles southeast of Adams, or 4 miles southwest of Sterling, around 515 pm CDT. In Johnson county the tornado tracked another 5 miles before dissipating or lifting 3 miles north of Sterling. This tornado formed from a supercell which then became rain-wrapped taking on a heavy rain (hp) supercell characteristics.In Johnson county the average damage path width was around 150 yards. The tornado caused f1 damage 2 miles northwest of Sterling where some roof and tree damage was noted. In all 6 houses received damage in Johnson county from the tornado and several outbuildings were destroyed. The storm also knocked power lines down which resulted in loss of power for some customers for up to 8 hours.

Began near Sterling (40.4333, -96.4167).

Source: NOAA Storm Events Database, event 5501019. Narratives are written by the National Weather Service forecast office that issued the report.

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