A major surge of monsoon moisture aided by Hurricane Norbert just west of Baja California fueled an outbreak of thunderstorms over the Mojave Desert and southern Great Basin. Widespread flash flooding occurred.

Flood in CLARK, NEVADA
From 08-SEP-14 21:30:00 to 09-SEP-14 16:00:00 (PST-8)
Location: ARROWHEAD
Flood cause: Heavy Rain
Property damage: 3.00M
Crop damage: 0.00K
Reported by: Emergency Manager

The Muddy River flooded Moapa, Logandale, and Overton. A total of 139 homes and the Cooper Street Bridge were damaged.

Flash Flood in LINCOLN, NEVADA
From 08-SEP-14 21:45:00 to 08-SEP-14 23:00:00 (PST-8)
Location: PIOCHE
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Mud and debris covered Highway 322 just east of Pioche, and there was erosion damage to several agricultural fields in the area.

Flash Flood in LINCOLN, NEVADA
From 08-SEP-14 23:30:00 to 09-SEP-14 00:30:00 (PST-8)
Location: CALIENTE
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A mud slide washed out a section of Union Pacific railroad track, derailing a locomotive.

Hail in CLARK, NEVADA
From 07-SEP-14 11:25:00 to 07-SEP-14 11:30:00 (PST-8)
Location: RED ROCK CANYON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail up to nickel size was estimated at Charleston and 215.

Heavy Rain in CLARK, NEVADA
From 07-SEP-14 12:58:00 to 07-SEP-14 13:15:00 (PST-8)
Location: BRACKEN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One vehicle was stuck in six to 12 inches of standing water on the Flamingo Road off ramp from I-215.

Flash Flood in CLARK, NEVADA
From 07-SEP-14 13:00:00 to 07-SEP-14 13:30:00 (PST-8)
Location: BLUE DIAMOND
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Lots of mud and rocks washed onto Tropicana between Hualapai and Fort Apache.

Flood in CLARK, NEVADA
From 07-SEP-14 17:30:00 to 07-SEP-14 20:30:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous roads were impassable in the Moapa River Indian Reservation area due to flooding on the Muddy River.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 11:55:00 to 08-SEP-14 13:00:00 (PST-8)
Location: MOUNT CHARLESTON
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: COOP Observer

Corn Creek Road was washed out.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 12:36:00 to 08-SEP-14 13:30:00 (PST-8)
Location: MOUNT CHARLESTON
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Deer Creek Road was washed out between mile markers 2 and 4.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 12:38:00 to 08-SEP-14 14:30:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 168 was closed from Coyote Springs to Moapa due to flooding.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 12:38:00 to 08-SEP-14 18:30:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 6.00M
Crop damage: 0.00K
Reported by: Law Enforcement

Major flash flooding affected the Moapa, Logandale, and Mesquite areas. Several local roads were washed out and some were covered with five feet of silt. At least 20 homes were damaged and many people were evacuated. Parts of the Union Pacific railroad track were washed out. The parking lot of a power generating plant was filled with six feet of flood water. Interstate 15 suffered major damage and was closed for days. Cars floated down the highway, and one person was injured when he jumped in to help the occupants of a minivan which was swept over a 10-15 foot drop. Four earthen dams were breached in the area.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 14:10:00 to 08-SEP-14 15:30:00 (PST-8)
Location: GOODSPGS
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: County Official

Cars were stuck in water and mud on Columbia Pass outside Sandy Valley. More than half of the dirt roads in Sandy Valley were damaged.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 14:40:00 to 08-SEP-14 15:15:00 (PST-8)
Location: BRACKEN
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Rapidly flowing water flooded the parking garage of the Quad Resort on the Las Vegas Strip. One construction worker was swept away but was not injured.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 15:00:00 to 08-SEP-14 16:00:00 (PST-8)
Location: BLUE DIAMOND
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

Arroyo Road was closed due to flooding.

Flash Flood in CLARK, NEVADA
From 08-SEP-14 12:40:00 to 08-SEP-14 14:00:00 (PST-8)
Location: BRACKEN
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Several swift water rescues took place near and west of Fort Apache and Russell. At least six inches of water, mud, and rocks flowed over Tropicana and Grand Canyon.