F0 tornado in Yakima County, Washington

Tornado August 26, 1997 · Yakima County, Washington

Rating

1.0 mi

Path length

25 yd

Path width

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NOAA recorded where this tornado touched down but not where it lifted, so it appears as a point. Other tornadoes recorded nearby that day are shown faint.

What F0 means. This tornado was rated on Fujita’s original scale, used until 2007. F0 meant light damage: shingles and siding peeled, gutters torn, branches broken; the scale paired it with winds of 40–72 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

F0 tornado one mile west of White Swan with a path length of 1 mile and a path width of 25 yards. Wind damage to roofs of pump house, 3 homes, warehouse, storage building, and barn.

Began near White Swan (46.3800, -120.7200).

Source: NOAA Storm Events Database, event 5614801. Narratives are written by the National Weather Service forecast office that issued the report.

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