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F1 tornado in Harford County, Maryland

Tornado November 1, 1994 · Harford County, Maryland

F1
Rating
0.5 mi
Path length
25 yd
Path width
$5.0M
Damage as recorded
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

The squall line which produced earlier tornado and microburst events in central Maryland continued to wreak havoc in eastern Harford Co. Two F0 tornadoes produced minor roof, siding, and gutter damage, as well as softwood tree damage, in a relatively narrow path. More substantial damage occurred at the Perryman Unit 1 Baltimore Gas and Electric Facility, where a 70 ton air duct, 12 feet high and 50 feet wide, was blown off an elevated steel girder platform (20 feet high) into the side of an electrical control building, destroying most of the building. Eyewitness in the vicinity also watched an 8- by 30-foot trailer become airborne before blowing apart. Debris was seen rotating as it descended into a nearby field.

Source: NOAA Storm Events Database, event 10329783. Narratives are written by the National Weather Service forecast office that issued the report.

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