Nevada, 1998

Flash Flooding in Nevada, September 12, 1998

September 12, 1998 · NWS VEF · 2 events in 1 county or zone

Heavy rainfall over southeast Lincoln County and northeast Clark County produced major flash flooding in the Muddy River and California Wash which caused considerable damage to roads and homes in Moapa, Hidden Valley and Overton. A total of about 220 people had to be evacuated from the three communities and many homes suffered major flood damage.

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.

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The toll

Deaths
0
Injuries
0
Property damage
$600,000
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.

Heavy rainfall over southeast Lincoln County and northeast Clark County produced major flash flooding in the Muddy River and California Wash which caused considerable damage to roads and homes in Moapa, Hidden Valley and Overton. A total of about 220 people had to be evacuated from the three communities and many homes suffered major flood damage. Flood waters in the Muddy river also completely washed out the Gubler Street bridge. No injuries were reported.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

2 flash flood. Local standard time, as filed.

Flash Flood, Clark

When
September 12, 12:05 AM PST to 6:00 AM PST
Where
Clark County, Moapa
Property damage
$500,000
Reported by
NEWSPAPER
Coordinates
36.215, -115.014 (the zone’s center; the record gives no point)

Flash Flood, Clark

When
September 12, 12:30 AM PST to 6:00 AM PST
Where
Clark County, Overton
Property damage
$100,000
Reported by
NEWSPAPER
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

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: 5672665, 5672666.