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EF1 tornado in Osage County, Oklahoma

Tornado January 8, 2026 · Osage County, Oklahoma

EF1
Rating
0.8 mi
Path length
100 yd
Path width
$200K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

A tornado damaged the roofs of several homes, destroyed a large outbuilding, snapped power poles, and blew down trees. Based on this damage, maximum estimated wind in the tornado was 90 to 100 mph.

The wider storm

A strong upper level disturbance and associated cold front translated into the Southern Plains on the 8th. An unseasonably warm and moist air mass had spread into eastern Oklahoma ahead of this system, which resulted in weak instability across the area. A line of thunderstorms developed into eastern Oklahoma from the west during the morning hours of the 8th. Strong wind fields and wind shear associated with the approaching upper level system, combined with the weak instability, supported an environment in which the stronger thunderstorms within the squall line were able to develop low level circulations. One such circulation resulted in a brief, weak tornado and wind gusts to 88 mph in Osage County.

Began near Wynona (36.5380, -96.3270).

Source: NOAA Storm Events Database, event 1299990. Narratives are written by the National Weather Service forecast office that issued the report.

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