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.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 07-SEP-14 12:45:00 to 07-SEP-14 13:30:00 (PST-8)
Location: NEWBERRY
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Up to six inches of water flowed over low spots on Newberry Road, including the intersection with Route 66.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 07-SEP-14 12:54:00 to 07-SEP-14 14:00:00 (PST-8)
Location: KELSO
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Kelso Cima Road was flooded near Kelso Depot.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 07-SEP-14 18:41:00 to 07-SEP-14 20:00:00 (PST-8)
Location: DANBY
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Mud and debris up to a foot deep covered a 200 foot long stretch of road near the intersection of National Trails Highway and Danby Road.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 07-SEP-14 18:41:00 to 07-SEP-14 19:30:00 (PST-8)
Location: AMBOY
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water and rocks flowed over the intersection of National Trails Highway and Amboy Road.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 04:13:00 to 08-SEP-14 05:15:00 (PST-8)
Location: YUCCA VLY
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 62 was closed due to flooding.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 15:50:00 to 08-SEP-14 21:00:00 (PST-8)
Location: BAKER
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 127 was flooded and closed, with two cars stuck in the water.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 16:55:00 to 08-SEP-14 18:00:00 (PST-8)
Location: BANNOCK
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 95 washed out at Goffs Road.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 17:59:00 to 08-SEP-14 19:00:00 (PST-8)
Location: ESSEX
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Three feet of water crossed National Trails Highway at Essex.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 10:30:00 to 08-SEP-14 11:30:00 (PST-8)
Location: ESSEX
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A bridge was washed out on Route 66 southwest of Essex, and mud was over the roads in and around Essex.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 13:04:00 to 08-SEP-14 14:00:00 (PST-8)
Location: PISGAH
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Interstate 40 was flooded.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 15:28:00 to 08-SEP-14 17:00:00 (PST-8)
Location: NEEDLES
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large chunk of Highway 95 just south of Needles was washed away.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 15:30:00 to 08-SEP-14 18:30:00 (PST-8)
Location: OLD DALE
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Amboy Road was flooded at Midway Road with lots of debris on the road. Water was still running hours later.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 18:18:00 to 08-SEP-14 19:30:00 (PST-8)
Location: VIDAL JCT ARPT
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 95 was flooded at mile marker 10. Some vehicles were stuck and others were swept into the desert.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 18:31:00 to 08-SEP-14 20:00:00 (PST-8)
Location: VIDAL JCT ARPT
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Four feet of water flowed over Highway 95 with cars stuck in the water.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 09-SEP-14 10:00:00 to 09-SEP-14 11:00:00 (PST-8)
Location: HAVASU LAKE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Over a foot of water flowed over Trails End Road and A Street.

Flash Flood in SAN BERNARDINO, CALIFORNIA
From 08-SEP-14 09:51:00 to 08-SEP-14 11:00:00 (PST-8)
Location: WHEATON SPGS
Flood cause: Heavy Rain
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lots of large rocks and debris were over the Nipton Road off ramp from Interstate 15, and flood waters also crossed Nipton Road near Ivanpah Road.