F0 tornado in Contra Costa County, California

Tornado February 19, 1998 · Contra Costa County, California

Rating

0.2 mi

Path length

30 yd

Path width

$50K

Damage as recorded

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

Weak tornado demolished a 120' by 40' shade structure at a nursery as well as a chicken coop nad a tool shed.

Began near Brentwood (37.9300, -121.7000).

Other tornadoes from the same storm system

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

F0 Santa Clara County F0 San Mateo County

Source: NOAA Storm Events Database, event 5640250. Narratives are written by the National Weather Service forecast office that issued the report.

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