Hail, Larimer
- When
- July 10, 2:50 PM CST
- Where
- Larimer County
- Measured
- 1 in hail
- Coordinates
- 40.950, -105.350
Tornado and Hail in Colorado, July 10, 1983
4 thunderstorm wind, 2 hail, 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
- $25,000
- Crop damage
- None recorded
- Events
- 7
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
4 thunderstorm wind, 2 hail, 1 tornado. Local standard time, as filed.
Hail, Douglas
- When
- July 10, 3:34 PM CST
- Where
- Douglas County
- Measured
- 0.75 in hail
- Coordinates
- 39.350, -104.770
Tornado, Weld
- When
- July 10, 3:45 PM CST
- Where
- Weld County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 50 yd
- Property damage
- $25,000
- Coordinates
- 40.230, -104.820
Thunderstorm Wind, Boulder
- When
- July 10, 3:45 PM CST
- Where
- Boulder County
- Measured
- 62 kt (71 mph)
- Coordinates
- 40.170, -105.100
Thunderstorm Wind, Adams
- When
- July 10, 4:00 PM CST
- Where
- Adams County
- Measured
- 50 kt (58 mph)
- Coordinates
- 39.980, -104.820
Thunderstorm Wind, Morgan
- When
- July 10, 7:25 PM CST
- Where
- Morgan County
- Coordinates
- 40.400, -103.800
Thunderstorm Wind, Arapahoe
- When
- July 10, 7:45 PM CST
- Where
- Arapahoe County
- Measured
- 50 kt (58 mph)
- Coordinates
- 39.720, -104.220
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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 Colorado in 1983Every state in 1983This day in weather historyThe tornado archive for Colorado, 1983
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: 9986337, 9986338, 9986339, 9986340, 9989333, 9987699, 9987700.