A major surge of monsoon moisture brought an outbreak of thunderstorms to the Mojave Desert and southern Great Basin, with the most activity on the 3rd and 4th. Widespread flash flooding and severe weather occurred.

Flash Flood in CLARK, NEVADA
From 03-AUG-14 21:00:00 to 03-AUG-14 22:30:00 (PST-8)
Location: NELSON
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Highway 165 was closed due to water and debris.

Flash Flood in CLARK, NEVADA
From 03-AUG-14 22:00:00 to 03-AUG-14 23:00:00 (PST-8)
Location: BOULDER CITY
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Debris washed over Lakeshore Road.

Flash Flood in CLARK, NEVADA
From 03-AUG-14 23:20:00 to 04-AUG-14 00:30:00 (PST-8)
Location: MOAPA
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Several roads in Moapa were flooded and covered with mud.

Flash Flood in CLARK, NEVADA
From 03-AUG-14 23:30:00 to 04-AUG-14 01:00:00 (PST-8)
Location: MOUNT CHARLESTON
Flood cause: Heavy Rain / Burn Area
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Harris Springs Road and some secondary roads in lower Kyle Canyon were washed out.

Flash Flood in CLARK, NEVADA
From 04-AUG-14 01:00:00 to 04-AUG-14 02:30:00 (PST-8)
Location: BLUE DIAMOND
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Employee

Highway 159 was closed by flooding and debris. Spring Mountain Ranch State Park was also closed.

Tornado in CLARK, NEVADA
From 04-AUG-14 11:40:00 to 04-AUG-14 11:40:00 (PST-8)
Location: NELSON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A small tornado briefly touched down in open desert east of Highway 95 near the Nelsons Landing turn off.

Flash Flood in NYE, NEVADA
From 04-AUG-14 12:53:00 to 04-AUG-14 14:30:00 (PST-8)
Location: LATHROP WELLS
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 95 was flooded near the intersection of Highway 160 as well as near Nye County mile markers 18 and 20.

Flash Flood in NYE, NEVADA
From 04-AUG-14 13:00:00 to 04-AUG-14 14:30:00 (PST-8)
Location: (UCC)YUCCA FLATS
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Several inches of water and debris flooded roads on Area 6 of the Nevada National Security Site.

Flash Flood in CLARK, NEVADA
From 04-AUG-14 14:05:00 to 04-AUG-14 15:00:00 (PST-8)
Location: BLUE DIAMOND
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Arroyo Road was flooded 8-12 inches deep.

Flash Flood in CLARK, NEVADA
From 04-AUG-14 13:43:00 to 04-AUG-14 16:00:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Water was several inches deep at the intersection of Twain and Decatur. A swift water rescue occurred at Decatur and Oakey. A large section of concrete block wall was knocked down by floodwaters. A car stalled in the water at Rainbow and Hacienda. Water was several inches deep over the intersection of Koval and Winnick. 143 weather related accidents were reported.

Flash Flood in CLARK, NEVADA
From 04-AUG-14 14:10:00 to 04-AUG-14 15:15:00 (PST-8)
Location: INDIAN SPGS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Two lanes of Highway 95 were flooded with several inches of water.

Flash Flood in CLARK, NEVADA
From 04-AUG-14 14:30:00 to 04-AUG-14 16:00:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Part of Highway 157 was washed out. Highway 95 was closed at Clark County mile marker 99, with 30 cars stranded and some washed off the road. Everyone was rescued.

Flash Flood in LINCOLN, NEVADA
From 04-AUG-14 15:40:00 to 04-AUG-14 17:00:00 (PST-8)
Location: ROX
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 93 was flooded and closed at Lincoln County mile marker 3.

Flash Flood in CLARK, NEVADA
From 04-AUG-14 15:56:00 to 04-AUG-14 17:00:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain / Burn Area
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Over a foot of water flowed rapidly down Grand Teton Drive.

Flash Flood in NYE, NEVADA
From 04-AUG-14 16:07:00 to 04-AUG-14 17:30:00 (PST-8)
Location: SPRINGDALE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 95 was damaged by flooding near Nye County mile marker 75.

Flash Flood in ESMERALDA, NEVADA
From 05-AUG-14 18:58:00 to 05-AUG-14 20:00:00 (PST-8)
Location: BLAIR JCT
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Mud and debris washed onto Highway 265.