F0 tornado in Lake County, Oregon

Tornado August 21, 2005 · Lake County, Oregon

Rating

1.0 mi

Path length

10 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

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

Lake County 911 called and relayed a report from a woman in Christmas Valley of several funnel clouds, one of which was touching the ground. The 911 dispatcher passed along her phone number. The woman was called and a tornado was verified. She stated that there were several funnel clouds extending down from a cloud, and one of the funnel clouds was touching the ground with a dust cloud at the point of contact. She estimated the tornado was 3 miles west of Christmas Valley.

The wider storm

Based on the above report, a Tornado Warning was issued for the Christmas Valley area of Lake County at 21/1609 PDT, expiring at 21/1645 PDT. No reports of damage, injuries, or deaths.

Began near Summer Lake (42.9667, -120.7667).

Source: NOAA Storm Events Database, event 5470230. Narratives are written by the National Weather Service forecast office that issued the report.

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