Tornado, St. Lawrence
- When
- July 24, 2:35 PM CST
- Where
- St. Lawrence County
- Rating
- F0
- Path length
- 0.4 mi
- Path width
- 10 yd
- Property damage
- $250,000
- Coordinates
- 44.670, -75.500
Tornado and Damaging Winds in New York, July 24, 1987
11 thunderstorm wind, 1 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
- 0
- Property damage
- $250,000
- 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
11 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Franklin
- When
- July 24, 3:15 PM CST
- Where
- Franklin County
- Coordinates
- 44.850, -74.280
Thunderstorm Wind, Franklin
- When
- July 24, 3:30 PM CST
- Where
- Franklin County
- Coordinates
- 44.470, -74.400
Thunderstorm Wind, Jefferson
- When
- July 24, 5:20 PM CST
- Where
- Jefferson County
- Coordinates
- 44.230, -76.080
Thunderstorm Wind, Jefferson
- When
- July 24, 5:20 PM CST
- Where
- Jefferson County
- Coordinates
- 44.130, -76.330
Thunderstorm Wind, Lewis
- When
- July 24, 5:30 PM CST
- Where
- Lewis County
- Coordinates
- 43.780, -75.480
Thunderstorm Wind, Lewis
- When
- July 24, 5:45 PM CST
- Where
- Lewis County
- Coordinates
- 43.730, -75.400
Thunderstorm Wind, Jefferson
- When
- July 24, 5:45 PM CST
- Where
- Jefferson County
- Coordinates
- 44.330, -75.900
Thunderstorm Wind, Franklin
- When
- July 24, 6:15 PM CST
- Where
- Franklin County
- Coordinates
- 44.630, -74.450
Thunderstorm Wind, Franklin
- When
- July 24, 6:15 PM CST
- Where
- Franklin County
- Coordinates
- 44.230, -74.450
Thunderstorm Wind, Herkimer
- When
- July 24, 6:20 PM CST
- Where
- Herkimer County
- Coordinates
- 43.720, -74.980
Thunderstorm Wind, Hamilton
- When
- July 24, 6:20 PM CST
- Where
- Hamilton County
- Coordinates
- 43.470, -74.420
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
- Hail and Damaging Winds in Nebraska, July 24, 1987
- Damaging Winds in Georgia, July 24, 1987
- Hail and Damaging Winds in Iowa, July 24, 1987
- Hail in South Dakota, July 24, 1987
- Tornado and Damaging Wind in Florida, July 24, 1987
- Damaging Wind in Texas, July 24, 1987
- Damaging Wind in North Carolina, July 24, 1987
- Damaging Wind in Tennessee, July 24, 1987
- Hail in Colorado, July 24, 1987
- Damaging Wind in New Jersey, July 24, 1987
- Hail in Montana, July 24, 1987
More
Every storm in New York in 1987Every state in 1987This day in weather historyThe tornado archive for New York, 1987Warnings in New York, July 1987
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: 10074207, 10074208, 10074209, 10074210, 10074211, 10074212, 10074213, 10074214, 10074215, 10074216, 10074217, 10074218.