Flash Flood, Clark
- When
- September 11, 1:48 PM PST
- Where
- Clark County, Mead Lake
- Property damage
- $20,000
- Reported by
- AIRPLANE PILOT
- Coordinates
- 36.215, -115.014 (the zone’s center; the record gives no point)
Flash Flooding in Nevada, September 11, 1998
Heavy rain fell over the area from the north shore of Lake Mead to Moapa causing widespread flash flooding. Several sections of road were washed out between Echo Bay and Las Vegas Bay and the Valley of Fire State Park was forced to close due to road flooding both in and out of the park.
Where it happened
Every event with a place to put it; 3 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
- $45,000
- 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.
What happened
The episode as NWS VEF wrote it up.
Heavy rain fell over the area from the north shore of Lake Mead to Moapa causing widespread flash flooding. Several sections of road were washed out between Echo Bay and Las Vegas Bay and the Valley of Fire State Park was forced to close due to road flooding both in and out of the park. In Moapa, a dairy farm suffered flood damage and volunteer firefighters narrowly rescued a man before his van was swept away and submerged by flood waters.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 flash flood. Local standard time, as filed.
Flash Flood, Clark
- When
- September 11, 2:00 PM PST
- Where
- Clark County, Moapa
- Property damage
- $25,000
- Reported by
- NEWSPAPER
- Coordinates
- 36.215, -115.014 (the zone’s center; the record gives no point)
Flash Flood, Clark
- When
- September 11, 2:35 PM PST
- Where
- Clark County, 6 mi SW of Overton
- Reported by
- LAW ENFORCEMENT
- 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
- Flooding and Rip Current in Guam, September 11 to 27, 1998
- Tornado in Louisiana, September 11, 1998
- Tornado in Louisiana, September 11, 1998
- Tornado and Flash Flooding in Nevada, September 11, 1998
- Tornado in Louisiana, September 11, 1998
- Flash Flood in Utah, September 11, 1998
- Flash Flood in Louisiana, September 11, 1998
- Flash Flood in Louisiana, September 11, 1998
- Flash Flood in Texas, September 11, 1998
- Flash Flood in Louisiana, September 11 to 12, 1998
- Tornado in Louisiana, September 11, 1998
- Tornado in Louisiana, September 11, 1998
More
Every storm in Nevada in 1998Every state in 1998This day in weather historyWarnings in Nevada, September 1998
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: 5672659, 5672661, 5672660.