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F0 tornado in Harper County, Kansas

Tornado April 5, 1999 · Harper County, Kansas

F0
Rating
2.0 mi
Path length
167 yd
Path width
$25K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 167 yards (0.09 mi) — zoom in and the swath grows to true scale. 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, embedded in strong downburst winds, inflicted damage to one double-wide home. Damage was mainly to the roof and due to tree limb impalement to west side of house. One shed was also damaged.

The wider storm

Synoptic-scale high winds of 39-53kts with gusts to 63kts ripped across Central Kansas from mid-morning thru late afternoon. The high winds tore the roof off a modular building around 9:30 am at St. Francis Academy, 5 miles west of Salina. Building was unoccupied at time of the event. Tractor-trailers were overturned along I-70 in Saline County. In Russell County, several power poles were blown down causing power outages in and around Russell. Widespread damage to houses, primarily to roofs and guttering, occurred throughout the county.

Began near Duquoin (37.3500, -98.0800).

Other tornadoes from the same storm system

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

F0 Sedgwick CountyF0 Sedgwick County

Source: NOAA Storm Events Database, event 5686519. Narratives are written by the National Weather Service forecast office that issued the report.

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