Colorado, 1999

Hail and Lightning Strike in Colorado, June 14, 1999

June 14, 1999 · NWS BOU · 4 events in 2 counties and zones

Damage from several hailstorms that struck areas in and near the Denver Metropolitan area from June 11th-14th totalled $35 million. 5 million in homeowner claims.

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
$35 million
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.

What happened

The episode as NWS BOU wrote it up.

Damage from several hailstorms that struck areas in and near the Denver Metropolitan area from June 11th-14th totalled $35 million. Approximately $17.5 million was from automobile claims , with another $17.5 million in homeowner claims. The areas hardest hit by the storms included: Castle Rock, Commerce City, Evergreen and Golden.

The radar

The Denver radar (KFTG), 64 km away, was scanning. The volume nearest the first event began at 20:53 UTC.

Open the radar archive at this moment

Event by event

3 hail, 1 lightning. Local standard time, as filed.

Lightning, Jefferson

When
June 14, 1:40 PM MST
Where
Jefferson County, Evergreen
Reported by
NEWSPAPER
Coordinates
39.586, -105.250 (the zone’s center; the record gives no point)

Lightning sparked two small fires at separate residences near the Hiwan Country Club.

Hail, Adams

When
June 14, 1:50 PM MST
Where
Adams County, Aurora
Measured
1.5 in hail
Reported by
TRAINED SPOTTER
Coordinates
39.730, -104.850

Hail, Adams

When
June 14, 1:52 PM MST
Where
Adams County, Aurora
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
39.730, -104.850

Hail, Adams

When
June 14, 2:02 PM MST
Where
Adams County, Aurora
Measured
1 in hail
Property damage
$35 million
Reported by
TRAINED SPOTTER
Coordinates
39.730, -104.850

What these are

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

More

Every storm in Colorado in 1999Every state in 1999This day in weather historyWarnings in Colorado, June 1999

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: 5704686, 5704683, 5704684, 5704685.