Flash Flood, Clark
- When
- September 12, 6:25 PM PST
- Where
- Clark County, Las Vegas
- Property damage
- $5,000
- Reported by
- FIRE DEPT/RESCUE SQUAD
- Coordinates
- 36.215, -115.014 (the zone’s center; the record gives no point)
Flash Flooding in Nevada, September 12, 1999
Thunderstorms developed over the Las Vegas Valley along a line extending northeast from Henderson to the Spring Mountains. Locally heavy rain fell causing low-lying areas in Las Vegas to flood.
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
- $5,000
- 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.
What happened
The episode as NWS VEF wrote it up.
Thunderstorms developed over the Las Vegas Valley along a line extending northeast from Henderson to the Spring Mountains. Locally heavy rain fell causing low-lying areas in Las Vegas to flood. At least one person had to be rescued from their car which was caught in water near Charleston and Interstate 15. Red Rock Canyon also experienced flash flooding which submerged roads and covered them with large rocks.
The radar
The national radar mosaic for the moment the first event began.
Event by event
2 flash flood. Local standard time, as filed.
Flash Flood, Clark
- When
- September 12, 7:00 PM PST
- Where
- Clark County, 14 mi W of Las Vegas
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 36.215, -115.014 (the zone’s center; the record gives no point)
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in Oklahoma, September 12, 1999
- Hail in California, September 12, 1999
- Flash Flood in Texas, September 12, 1999
- Flash Flooding and Hail in Texas, September 12, 1999
- Damaging Wind in Texas, September 12, 1999
- Flash Flood in Oklahoma, September 12, 1999
- Funnel Cloud in Hawaii, September 12, 1999
- Hail in New Mexico, September 12, 1999
- Hail in New Mexico, September 12, 1999
- Hail in Nevada, September 12, 1999
- Damaging Wind in Arkansas, September 12, 1999
- Hail in Arkansas, September 12, 1999
More
Every storm in Nevada in 1999Every state in 1999This day in weather historyWarnings in Nevada, September 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: 5723719, 5723720.