Tornado, Porter
- When
- April 18, 6:05 PM CST
- Where
- Porter County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 23 yd
- Injuries
- 4 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 41.280, -87.200
Tornadoes and Damaging Winds in Indiana, April 18, 1975
7 thunderstorm wind, 5 tornado, 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
- 0
- Injuries
- 7
- Property damage
- $800,000
- Crop damage
- None recorded
- Events
- 12
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.
Event by event
7 thunderstorm wind, 5 tornado. Local standard time, as filed.
Thunderstorm Wind, St. Joseph
- When
- April 18, 7:00 PM CST
- Where
- St. Joseph County
- Coordinates
- 41.700, -86.080
Thunderstorm Wind, Monroe
- When
- April 18, 8:00 PM CST
- Where
- Monroe County
- Coordinates
- 39.170, -86.520
Thunderstorm Wind, Pike
- When
- April 18, 8:30 PM CST
- Where
- Pike County
- Coordinates
- 38.380, -87.100
Thunderstorm Wind, Dubois
- When
- April 18, 8:45 PM CST
- Where
- Dubois County
- Coordinates
- 38.420, -87.000
Tornado, Owen
- When
- April 18, 8:55 PM CST
- Where
- Owen County
- Rating
- F2
- Path length
- 1.9 mi
- Path width
- 50 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 39.180, -86.700
Tornado, Monroe
- When
- April 18, 9:00 PM CST
- Where
- Monroe County
- Rating
- F2
- Path length
- 2.7 mi
- Path width
- 50 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 39.220, -86.670
Tornado, Tipton
- When
- April 18, 10:30 PM CST
- Where
- Tipton County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 23 yd
- Property damage
- $250,000
- Coordinates
- 40.320, -85.900
Thunderstorm Wind, Grant
- When
- April 18, 10:30 PM CST
- Where
- Grant County
- Coordinates
- 40.480, -85.820
Thunderstorm Wind, Grant
- When
- April 18, 10:42 PM CST
- Where
- Grant County
- Coordinates
- 40.500, -85.680
Thunderstorm Wind, Grant
- When
- April 18, 11:03 PM CST
- Where
- Grant County
- Coordinates
- 40.480, -85.630
Tornado, Hamilton
- When
- April 18, 11:14 PM CST
- Where
- Hamilton County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 23 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 40.200, -85.900
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.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
More
Every storm in Indiana in 1975Every state in 1975This day in weather historyThe tornado archive for Indiana, 1975
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: 10017660, 10017661, 10017662, 10017663, 10017664, 10017665, 10017666, 10017667, 10017668, 10017669, 10017670, 10017671.