A strong push of monsoon moisture fueled another outbreak of thunderstorms over the Mojave Desert and southern Great Basin.  Widespread flash flooding and isolated severe weather occurred.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 08:25:00 to 31-JUL-12 10:00:00 (PST-8)
Location: BUSH
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several vehicles were stuck in a flooded wash on Highway 62.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 08:45:00 to 31-JUL-12 09:30:00 (PST-8)
Location: OLD DALE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inches of water flowed across Gaedke Lane in Wonder Valley.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 10:28:00 to 31-JUL-12 12:00:00 (PST-8)
Location: RICE
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 62 was flooded between mile marker 104 and 110.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 12:15:00 to 31-JUL-12 14:00:00 (PST-8)
Location: AMBOY
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Kelbaker Road near I-40 was covered with mud and rocks.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 13:42:00 to 31-JUL-12 15:00:00 (PST-8)
Location: BANNOCK
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 95 was flooded five miles north of I-40.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 19:39:00 to 31-JUL-12 22:00:00 (PST-8)
Location: BUSH
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Amboy Road was closed at Sheep Hole View due to flooding.  Vehicles were stuck in the water.

Flash Flood in INYO, CALIFORNIA
From 31-JUL-12 21:00:00 to 31-JUL-12 23:59:00 (PST-8)
Location: KEELER
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Racetrack Road in Death Valley National Park was severely damaged by flooding.

Flash Flood in INYO, CALIFORNIA
From 31-JUL-12 22:23:00 to 31-JUL-12 23:59:00 (PST-8)
Location: HARRISBURG
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Insurance Company

Highway 190 was covered with two feet of mud near Towne Pass.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 22:40:00 to 31-JUL-12 23:59:00 (PST-8)
Location: ARGUS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eight to 12 inches of water flowed across Trona Road.

Thunderstorm Wind in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 22:10:00 to 31-JUL-12 22:25:00 (PST-8)
Location: PIONEER PT
Magnitude: 61.00 EG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed several trees and power poles and damaged roofs and windows on a few homes in Trona.

Flash Flood in INYO, CALIFORNIA
From 31-JUL-12 23:00:00 to 31-JUL-12 23:59:00 (PST-8)
Location: STOVEPIPE WELLS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Lemoigne Canyon Road and Cottonwood Canyon Road were damaged by flash flooding.

Flash Flood in INYO, CALIFORNIA
From 31-JUL-12 23:00:00 to 31-JUL-12 23:59:00 (PST-8)
Location: PANAMINT SPG
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Darwin Falls Road was damaged by flooding.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 31-JUL-12 05:25:00 to 31-JUL-12 07:00:00 (PST-8)
Location: SALTUS
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding washed debris onto Amboy Road just south of Amboy.