Hail, Weld
- When
- August 18, 1:24 PM MST
- Where
- Weld County, 2 mi E of Rockport
- Measured
- 0.75 in hail
- Coordinates
- 40.900, -104.750
Hail and Damaging Winds in Colorado, August 18, 1997
2 thunderstorm wind, 1 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- 3
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.
The radar
The Cheyenne radar (KCYS), 28 km away, was scanning. The volume nearest the first event began at 20:25 UTC.
Event by event
2 thunderstorm wind, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Arapahoe
- When
- August 18, 2:37 PM MST
- Where
- Arapahoe County, 5 mi NE of (Bkf)buckley Fld Nas
- Measured
- 51 kt (59 mph)
- Coordinates
- 39.650, -104.339 (the zone’s center; the record gives no point)
Thunderstorm Wind, Arapahoe
- When
- August 18, 3:10 PM MST
- Where
- Arapahoe County, 15 mi SE of (Bkf)buckley Fld Nas
- Measured
- 51 kt (59 mph)
- Coordinates
- 39.650, -104.339 (the zone’s center; the record gives no point)
Dry microbursts produced two peak wind gusts to an estimated 60 mph (52 kts).
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
- Lightning Strike in Oklahoma, August 18, 1997
- Tornado and Flash Flooding in Oklahoma, August 18 to 19, 1997
- Flood in Ohio, August 18, 1997
- Lightning Strikes in North Carolina, August 18 to 20, 1997
- Rip Current in Florida, August 18, 1997
- Lightning Strike in Kansas, August 18, 1997
- Damaging Winds in Georgia, August 18, 1997
- Hail and Damaging Winds in North Carolina, August 18, 1997
- Hail and Damaging Winds in North Carolina, August 18, 1997
- Hail and Damaging Winds in Texas, August 18, 1997
- Flash Flood and Hail in Texas, August 18, 1997
- Hail in Idaho, August 18, 1997
More
Every storm in Colorado in 1997Every state in 1997This day in weather historyWarnings in Colorado, August 1997
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: 5614151, 5614152, 5614153.