Hail, Boulder
- When
- July 31, 3:00 PM CST
- Where
- Boulder County
- Measured
- 0.75 in hail
- Coordinates
- 39.970, -105.170
Hail in Colorado, July 31, 1987
2 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
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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. Local standard time, as filed.
Hail, Jefferson
- When
- July 31, 6:43 PM CST
- Where
- Jefferson County
- Measured
- 1 in hail
- Coordinates
- 39.730, -105.100
What these are
- 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
- Damaging Winds in North Carolina, July 31, 1987
- Hail and Damaging Winds in South Dakota, July 31, 1987
- Damaging Winds in Louisiana, July 31, 1987
- Damaging Winds in New Jersey, July 31, 1987
- Damaging Winds in Illinois, July 31, 1987
- Damaging Winds in Ohio, July 31, 1987
- Hail and Damaging Wind in North Dakota, July 31, 1987
- Damaging Winds in Arizona, July 31, 1987
- Damaging Wind in Arkansas, July 31, 1987
- Tornado in Michigan, July 31, 1987
- Damaging Wind in Virginia, July 31, 1987
More
Every storm in Colorado in 1987Every state in 1987This day in weather historyWarnings in Colorado, 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: 9988217, 9988218.