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F4 tornado in Bossier Parish, Louisiana

Tornado April 3, 1999 · Bossier Parish, Louisiana

Rating

19.3 mi

Whole path

200 yd

Path width

Deaths

102

Injuries

$7.9M

Damage as recorded

NOAA records this tornado county by county. Its path ran through Caddo Parish → Bossier Parish; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F4 means. This tornado was rated on Fujita’s original scale, used until 2007. F4 meant devastating damage: well-built houses levelled; the scale paired it with winds of 207–260 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

Supercells developed over the area as a speed max moved out of Texas and across the region. Some 389 structures were effected. Of this 227 homes or businesses suffered either major damage or were destroyed. Roofs missing. Brick homes leveled. One brick home totally missing, leaving only the slab. Numerous large oak and pine trees uprooted or snapped near the bases.

Began near Bossier City (32.5800, -93.7500).

Source: NOAA Storm Events Database, event 5689894. Narratives are written by the National Weather Service forecast office that issued the report.

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