Tornado, Morrison
- When
- September 18, 4:25 PM CST to 4:30 PM CST
- Where
- Morrison County, Camp Ripley Jct to 1 mi E of Camp Ripley Jct
- Rating
- F1
- Path length
- 1.5 mi
- Path width
- 100 yd
- Coordinates
- 46.070, -94.330
Tornadoes and Hail in Minnesota, September 18, 1997
6 tornado, 5 hail, as filed by the National Weather Service.
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
- 1
- Injuries
- 1
- Property damage
- $1.7 million
- Crop damage
- None recorded
- Events
- 11
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.
The radar
The national radar mosaic for the moment the first event began.
Event by event
6 tornado, 5 hail. Local standard time, as filed.
Tornado, Morrison
- When
- September 18, 5:15 PM CST to 5:25 PM CST
- Where
- Morrison County, Lastrup to 1 mi E of Lastrup
- Rating
- F3
- Path length
- 9 mi
- Path width
- 800 yd
- Deaths
- 1 direct, 0 indirect
- Injuries
- 1 direct, 0 indirect
- Property damage
- $1.7 million
- Coordinates
- 46.070, -94.050
Several buildings destroyed and numerous other buildings damaged. Hundreds of trees down. A number of cattle killed in barn collapse. One man injured when the tornado engulfed his car and threw it into a nearby woods. A second man critically injured when his garage collapsed. He died several weeks later.Total path length of tornado from 1 NE of Lastrup to Onamia was 17 miles.
Hail, Morrison
- When
- September 18, 5:20 PM CST
- Where
- Morrison County, 5 mi N of Hillman
- Measured
- 3 in hail
- Coordinates
- 46.070, -93.880
Hail, Mille Lacs
- When
- September 18, 5:22 PM CST to 6:22 PM CST
- Where
- Mille Lacs County, 1 mi NW of Onamia
- Measured
- 1 in hail
- Coordinates
- 46.100, -93.680
Tornado, Mille Lacs
- When
- September 18, 5:25 PM CST to 5:30 PM CST
- Where
- Mille Lacs County, Onamia to 8 mi of Onamia
- Rating
- F3
- Path length
- 8 mi
- Path width
- 800 yd
- Coordinates
- 46.080, -93.830
Several buildings destroyed and numerous other buildings damaged. Hundreds of trees down. A number of cattle killed in barn collapse. Damage estimate included in entry for Morrison county. Total path length from 1 NE of Lastup to Onamia was 17 miles.
Tornado, Mille Lacs
- When
- September 18, 5:48 PM CST to 5:55 PM CST
- Where
- Mille Lacs County, Wahkon to 4 mi S of Isle
- Rating
- F1
- Path length
- 2 mi
- Path width
- 500 yd
- Coordinates
- 46.070, -93.520
Hail, Mille Lacs
- When
- September 18, 5:48 PM CST
- Where
- Mille Lacs County, Wahkon
- Measured
- 2 in hail
- Coordinates
- 46.120, -93.520
Hail, Mille Lacs
- When
- September 18, 5:50 PM CST
- Where
- Mille Lacs County, 2 mi W of Wahkon
- Measured
- 1.75 in hail
- Coordinates
- 46.120, -93.570
Tornado, Kanabec
- When
- September 18, 6:03 PM CST to 6:20 PM CST
- Where
- Kanabec County, Woodland to 7 mi E of Woodland
- Rating
- F2
- Path length
- 17 mi
- Path width
- 450 yd
- Coordinates
- 46.120, -93.430
2 homes severely damaged. Large barn destroyed. Numerous trees and power lines down.
Hail, Mille Lacs
- When
- September 18, 6:10 PM CST
- Where
- Mille Lacs County, Isle
- Measured
- 1.75 in hail
- Coordinates
- 46.130, -93.470
Tornado, Morrison
- When
- September 18, 6:30 PM CST to 6:40 PM CST
- Where
- Morrison County, Royalton to 4 mi S of Buckman
- Rating
- F2
- Path length
- 8 mi
- Path width
- 300 yd
- Coordinates
- 45.880, -94.300
Several buildings severely damaged. Numerous trees and power lines down.
The people who died
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Tornado, Morrison | 1997-10-04 | 57 | Male | Permanent Home | Direct |
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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heavy Snow in California, September 18 to 19, 1997
- Hail in Nebraska, September 18, 1997
- Damaging Wind in Nebraska, September 18, 1997
- Lightning Strike in Nebraska, September 18, 1997
- Lightning Strike in North Carolina, September 18, 1997
- Damaging Wind in Iowa, September 18, 1997
- Hail and Damaging Wind in South Dakota, September 18, 1997
- Damaging Winds and Lightning Strikes in Wisconsin, September 18, 1997
- Damaging Winds in Wisconsin, September 18, 1997
- Tornado in Oregon, September 18, 1997
- Tornado in Oregon, September 18, 1997
- Flash Flood in Colorado, September 18, 1997
More
Every storm in Minnesota in 1997Every state in 1997This day in weather historyThe tornado archive for Minnesota, 1997Warnings in Minnesota, September 1997
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: 5619477, 5619478, 5619482, 5619483, 5619487, 5619479, 5619484, 5619486, 5619480, 5619485, 5619481.