Tornado, St. Clair
- When
- May 4, 12:49 PM CST
- Where
- St. Clair County, Tiffin to 2 mi N of Tiffin
- Rating
- F3
- Path length
- 3 mi
- Path width
- 200 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $50,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 37.980, -93.930
Tornado in Missouri, May 4, 1999
A tornado downed trees just north of Highway 82 near the intersection of OO Highway. The tornado skipped across an open field and increased in intensity just before striking and completely destroying a modular home, spreading debris nearly a mile away.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 1
- Property damage
- $50,000
- 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 SGF wrote it up.
A tornado downed trees just north of Highway 82 near the intersection of OO Highway. The tornado skipped across an open field and increased in intensity just before striking and completely destroying a modular home, spreading debris nearly a mile away. One person in the home was injured.
The radar
The Springfield radar (KSGF), 95 km away, was scanning. The volume nearest the first event began at 18:51 UTC.
Event by event
1 tornado. Local standard time, as filed.
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
- Tornado in Texas, May 4, 1999
- Tornado in Texas, May 4, 1999
- Tornado in Arkansas, May 4, 1999
- Tornadoes and Flash Flood in Arkansas, May 4, 1999
- Tornado in Texas, May 4, 1999
- Tornado in Texas, May 4, 1999
- Flash Flooding in Missouri, May 4 to 5, 1999
- Tornado in Texas, May 4, 1999
- Tornado in Texas, May 4, 1999
- Tornado in Texas, May 4, 1999
- Tornado in Arkansas, May 4, 1999
- Tornado in Arkansas, May 4, 1999
More
Every storm in Missouri in 1999Every state in 1999This day in weather historyThe tornado archive for Missouri, 1999Warnings in Missouri, May 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: 5697650.