Missouri, 1999

Tornado in Missouri, April 8, 1999

April 8, 1999 · NWS LSX · 1 event in 1 county or zone

A tornado moved from Macon into Knox County southwest of Novelty and caused damage for about 7 miles as it tracked northeast. One home completely lost its roof while another lost half of its roof.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
$500,000
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LSX wrote it up.

A tornado moved from Macon into Knox County southwest of Novelty and caused damage for about 7 miles as it tracked northeast. One home completely lost its roof while another lost half of its roof. Another home had the siding peeled off one side. At least 4 barns, 6 outbuildings and 2 grain bins were destroyed. Several large trees were downed along with power lines and power poles.

The radar

The St Louis radar (KLSX), 195 km away, was scanning. The volume nearest the first event began at 22:32 UTC.

Open the radar archive at this moment

Event by event

1 tornado. Local standard time, as filed.

Tornado, Knox

When
April 8, 4:35 PM CST to 4:40 PM CST
Where
Knox County, Novelty to 8 mi SW of Novelty
Rating
F2
Path length
7 mi
Path width
100 yd
Property damage
$500,000
Reported by
NWS STORM SURVEY
Coordinates
39.930, -92.300

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Missouri in 1999Every state in 1999This day in weather historyThe tornado archive for Missouri, 1999Warnings in Missouri, April 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5698385.