A large push of monsoon moisture triggered an extended period of thunderstorms across the Mojave Desert and southern Great Basin. Many storms produced flash flooding and severe weather.

Thunderstorm Wind in CLARK, NEVADA
From 19-JUL-13 18:09:00 to 19-JUL-13 19:22:00 (PST-8)
Location: (LSV)NELLIS AFB LAS
Magnitude: 62.00 MG
Property damage: 2.00M
Crop damage: 0.00K
Reported by: Public

A cluster of severe thunderstorms raked the Las Vegas Valley for over an hour, and also produced widespread flash flooding. Numerous trees were blown down, including 243 at the Desert Pines Golf Course. Some trees fell onto and damaged buildings and vehicles, and some ripped out gas and water lines as they were uprooted. Numerous power lines blew down, and several buildings were damaged. The peak measured gust occurred at Nellis AFB at the onset of the event.

Flash Flood in CLARK, NEVADA
From 19-JUL-13 18:31:00 to 19-JUL-13 21:00:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A cluster of thunderstorms dumped rain over the Las Vegas Valley for over an hour, and also produced widespread wind damage. Numerous roads were covered with water and debris, there were at least two swift water rescues, and part of the casino floor of Caesars Palace was flooded.

Thunderstorm Wind in NYE, NEVADA
From 20-JUL-13 18:15:00 to 20-JUL-13 18:15:00 (PST-8)
Location: MERCURY
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in NYE, NEVADA
From 20-JUL-13 19:36:00 to 20-JUL-13 19:45:00 (PST-8)
Location: PAHRUMP
Magnitude: 75.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree blew down and landed on power lines, a tent was torn down, a car was flipped over, siding was torn off the Salvation Army building, and a picnic table was thrown over a car.

Dust Storm in LAS VEGAS VALLEY, NEVADA
From 20-JUL-13 19:15:00 to 20-JUL-13 19:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Dust storm conditions reduced visibility to near zero in the northern end of the Las Vegas Valley.

Thunderstorm Wind in CLARK, NEVADA
From 20-JUL-13 19:15:00 to 20-JUL-13 20:37:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Magnitude: 60.00 MG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Mesonet

At least three trees were blown down, a patio cover was blown off a home, a hanging sign was torn from a traffic light, and 6300 customers lost power.

Hail in CLARK, NEVADA
From 20-JUL-13 20:30:00 to 20-JUL-13 20:30:00 (PST-8)
Location: HENDERSON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in CLARK, NEVADA
From 20-JUL-13 20:25:00 to 20-JUL-13 21:25:00 (PST-8)
Location: HENDERSON
Flood cause: Heavy Rain
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two feet of water flowed down Greenway Road near Mission. Two houses were flooded.

Flash Flood in CLARK, NEVADA
From 20-JUL-13 21:00:00 to 20-JUL-13 22:00:00 (PST-8)
Location: EAST LAS VEGAS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

One to two feet of water flowed down Harmon Rd. between Sandhill and Boulder Highway. The on-ramp from Flamingo to northbound highway 95 was closed due to flooding.

Hail in CLARK, NEVADA
From 20-JUL-13 21:13:00 to 20-JUL-13 21:13:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flash Flood in CLARK, NEVADA
From 20-JUL-13 21:30:00 to 20-JUL-13 22:30:00 (PST-8)
Location: LAS VEGAS N AIR TERM
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Sand and small rocks washed onto several roads near Decatur and 215 North, and six inches of water flowed through the intersection of Centennial Pkwy. and 5th Street.

Flash Flood in NYE, NEVADA
From 22-JUL-13 14:55:00 to 22-JUL-13 15:30:00 (PST-8)
Location: PAHRUMP
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Six inches of water flowed through the intersection of Highways 160 and 372 in Pahrump.

Flash Flood in ESMERALDA, NEVADA
From 22-JUL-13 15:30:00 to 22-JUL-13 16:30:00 (PST-8)
Location: LIDA
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 266 washed out at mile marker 6.

Flash Flood in ESMERALDA, NEVADA
From 22-JUL-13 16:15:00 to 22-JUL-13 17:00:00 (PST-8)
Location: DYER
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 264 washed out at mile marker 8.