Hail, Niagara
- When
- August 20, 3:10 PM CST
- Where
- Niagara County
- Measured
- 2 in hail
- Coordinates
- 43.200, -78.680
Hail and Damaging Winds in New York, August 20, 1970
2 hail, 2 thunderstorm wind, 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
- None recorded
- Crop damage
- None recorded
- Events
- 4
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
2 hail, 2 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Genesee
- When
- August 20, 3:55 PM CST
- Where
- Genesee County
- Coordinates
- 43.000, -78.180
Hail, St. Lawrence
- When
- August 20, 4:55 PM CST
- Where
- St. Lawrence County
- Measured
- 0.75 in hail
- Coordinates
- 44.880, -74.780
Thunderstorm Wind, St. Lawrence
- When
- August 20, 5:10 PM CST
- Where
- St. Lawrence County
- Coordinates
- 44.700, -75.400
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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
- Tornado and Damaging Winds in Florida, August 20, 1970
- Damaging Winds in Pennsylvania, August 20, 1970
- Damaging Winds in Montana, August 20, 1970
- Damaging Wind in Texas, August 20, 1970
- Damaging Wind in South Carolina, August 20, 1970
- Damaging Wind in Kentucky, August 20, 1970
- Hail in New Mexico, August 20, 1970
More
Every storm in New York in 1970Every state in 1970This day in weather history
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: 10077213, 10077214, 10077215, 10078063.