Flood and Lightning Strike in Colorado, August 19, 1999

Name: Flood and Lightning Strike in Colorado, August 19, 1999
Start: 1999-08-19T15:00
End: 1999-08-19T17:00
Location: Colorado

August 19, 1999 · NWS BOU · 2 events in 1 county or zone

1 flood, 1 lightning, 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

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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.

The radar

The Denver radar (KFTG), 23 km away, was scanning. The volume nearest the first event began at 22:01 UTC.

Open the radar archive at this moment

Event by event

1 flood, 1 lightning. Local standard time, as filed.

Flood, Arapahoe

When: August 19, 3:00 PM MST to 5:00 PM MST
Where: Arapahoe County, 2 mi S of (Bkf)buckley Fld Nas
Reported by: TRAINED SPOTTER
Coordinates: 39.650, -104.339 (the zone’s center; the record gives no point)

Heavy rain, up to 5 inches in two hours, caused East Tollgate Creek to jump its banks. The bike path adjacent to the creek was underwater at several locations. Several underpasses were also flooded, halting traffic. In addition, an unfinished playground was completely flooded at a local elementary school.

Lightning, Arapahoe

When: August 19, 4:00 PM MST
Where: Arapahoe County, 2 mi SW of (Bkf)buckley Fld Nas
Reported by: NEWSPAPER
Coordinates: 39.650, -104.339 (the zone’s center; the record gives no point)

Lightning struck a vehicle at East Evans Avenue and Tower Road. The woman inside was not injured.

What these are

Flood: Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
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

Every storm in Colorado in 1999 Every state in 1999 This day in weather history Warnings in Colorado, August 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: 5718640, 5718641.