Tornado, Monroe
- When
- April 15, 4:47 PM CST to 4:48 PM CST
- Where
- Monroe County, 10 mi SSE of Waterloo
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 50 yd
- Coordinates
- 38.200, -90.080
Tornado in Illinois, April 15, 1998
Severe storm spotters reported a brief tornado in open country south of Waterloo.
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
- 0
- Property damage
- None recorded
- 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.
Severe storm spotters reported a brief tornado in open country south of Waterloo.
The radar
The St Louis radar (KLSX), 76 km away, was scanning. The volume nearest the first event began at 22:49 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
- Tornadoes and Flash Flood in Tennessee, April 15 to 16, 1998
- Tornadoes in Illinois, April 15, 1998
- Tornado in Illinois, April 15, 1998
- Tornado in Indiana, April 15, 1998
- Tornado in Illinois, April 15, 1998
- Tornado in Illinois, April 15, 1998
- Flash Flood in Tennessee, April 15 to 16, 1998
- Flash Flooding in Indiana, April 15 to 16, 1998
- Lightning Strike in Wisconsin, April 15, 1998
- Damaging Wind in Illinois, April 15, 1998
- Tornado in Illinois, April 15, 1998
- Hail in Missouri, April 15, 1998
More
Every storm in Illinois in 1998Every state in 1998This day in weather historyThe tornado archive for Illinois, 1998Warnings in Illinois, April 1998
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: 5636727.