Colorado, 1997

Hail and Damaging Wind in Colorado, June 18, 1997

June 18, 1997 · NWS BOU · 3 events in 2 counties and zones

1 hail, 1 thunderstorm wind, 1 lightning, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 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

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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), 47 km away, was scanning. The volume nearest the first event began at 21:55 UTC.

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Event by event

1 hail, 1 thunderstorm wind, 1 lightning. Local standard time, as filed.

Hail, Weld

When
June 18, 2:56 PM MST
Where
Weld County, Hereford
Measured
0.75 in hail
Coordinates
40.970, -104.300

Thunderstorm Wind, Weld

When
June 18, 3:25 PM MST
Where
Weld County, 19 mi ENE of Grover
Measured
52 kt (60 mph)
Coordinates
40.970, -103.880

Lightning, Elbert

When
June 18, 9:00 PM MST to 9:45 PM MST
Where
Elbert County, 10 mi SSW of Agate
Coordinates
39.287, -104.136 (the zone’s center; the record gives no point)

Lightning struck an oil storage facility causing two tanks to explode into flames. Each tank had a 400 barrel capacity. One of the tanks was nearly full, the other one third full. A truck driver received minor injuries when he was knocked off a ladder from the explosion.

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.
Lightning
A lightning strike that killed, injured or caused damage.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Colorado in 1997Every state in 1997This day in weather historyWarnings in Colorado, June 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: 5619414, 5619415, 5619416.