F0 tornado in Cass County, North Dakota

Tornado July 18, 2004 · Cass County, North Dakota

Rating

0.2 mi

Path length

25 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

A brief tornado touchdown occurred along the Cass county line. The tornado originated in Barnes county.

Began near Page (47.7833, -97.3667).

Other tornadoes from the same storm system

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

F4 Barnes County F2 Cass County F2 Steele County F1 Grand Forks County F0 Cass County F0 Grand Forks County F0 Traill County F0 Barnes County

Source: NOAA Storm Events Database, event 5415767. Narratives are written by the National Weather Service forecast office that issued the report.

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