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F1 tornado in Pierce County, North Dakota

Tornado June 19, 2005 · Pierce County, North Dakota

Rating

5.0 mi

Whole path

75 yd

Path width

$250K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Pierce County → Benson County; the totals above are for the whole tornado.

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The path drawn at its surveyed width of 75 yards (0.04 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F1 means. This tornado was rated on Fujita’s original scale, used until 2007. F1 meant moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken; the scale paired it with winds of 73–112 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

Tornado touched down 8 miles south of Silva near Long Lake. It moved east-northeast and crossed into Benson County, Grand Forks NWS County Warning Area. Damage to high voltage transmission lines partly due to the tornado and partly due to 110 mph estimated wind gusts listed as a seperate entry.

Began near Silva (48.0500, -99.9167).

Source: NOAA Storm Events Database, event 5451930. Narratives are written by the National Weather Service forecast office that issued the report.

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