A strong push of monsoon moisture fueled a five-day outbreak of thunderstorms over the Mojave Desert and southern Great Basin. Numerous storms produced flash flooding and/or severe weather.

Dust Storm in NORTHWEST DESERTS, ARIZONA
From 12-JUL-12 16:23:00 to 12-JUL-12 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A dust storm reduced visibility to zero in Dolan Springs.

Lightning in MOHAVE, ARIZONA
From 13-JUL-12 08:00:00 to 13-JUL-12 08:00:00 (MST-7)
Location: BULLHEAD CITY
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning knocked out power to over 600 customers in Bullhead City.

Flash Flood in MOHAVE, ARIZONA
From 13-JUL-12 09:00:00 to 13-JUL-12 10:00:00 (MST-7)
Location: GOLDEN SHORES
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

County Road 1 was closed due to high water and debris.

Flash Flood in MOHAVE, ARIZONA
From 13-JUL-12 14:55:00 to 13-JUL-12 15:30:00 (MST-7)
Location: (IGM)MOJAVE CO ARPT
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rocks and mud washed across a road and driveway, damaging the driveway.

Lightning in MOHAVE, ARIZONA
From 13-JUL-12 16:45:00 to 13-JUL-12 16:45:00 (MST-7)
Location: (LHU)LAKE HAVASU CIT
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a house in the 3500 block of Pioneer Drive in Lake Havasu City.

Flash Flood in MOHAVE, ARIZONA
From 13-JUL-12 17:40:00 to 13-JUL-12 20:00:00 (MST-7)
Location: (LHU)LAKE HAVASU CIT
Flood cause: Heavy Rain
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Newspaper

Major flash flooding affected Lake Havasu City.  One man drowned when a car was swept down a wash, and there were nine swift water rescues involving a total of 11 people.  Rotary Park was filled with mud, and nearby sidewalks were undermined.  A few homes flooded, and one roof collapsed from the rain.

Thunderstorm Wind in MOHAVE, ARIZONA
From 13-JUL-12 16:50:00 to 13-JUL-12 16:50:00 (MST-7)
Location: MOHAVE VALLEY
Magnitude: 43.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds knocked down a utility pole, which in turn took out other utility equipment.

Flash Flood in MOHAVE, ARIZONA
From 14-JUL-12 07:55:00 to 14-JUL-12 09:00:00 (MST-7)
Location: COLORADO CITY
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Flash flooding closed a road in Colorado City, stranding one vehicle.

Flash Flood in MOHAVE, ARIZONA
From 14-JUL-12 14:20:00 to 14-JUL-12 15:00:00 (MST-7)
Location: KINGMAN ARPT
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: COOP Observer

Washes overflowed their banks at Diamond M Ranch. 2.25 inches of rain fell in only 40 minutes.

Flash Flood in MOHAVE, ARIZONA
From 14-JUL-12 15:30:00 to 14-JUL-12 16:30:00 (MST-7)
Location: DOLAN SPGS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Stockton Hill Road was closed due to flooding.

Flash Flood in MOHAVE, ARIZONA
From 14-JUL-12 18:30:00 to 14-JUL-12 22:30:00 (MST-7)
Location: OATMAN
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Department of Highways

Route 66 was closed from mile marker 1 through mile marker 20 due to sections of the pavement being washed away. Other roads were also flooded in the Oatman area.

Flash Flood in MOHAVE, ARIZONA
From 14-JUL-12 19:15:00 to 14-JUL-12 21:15:00 (MST-7)
Location: WILLOW BEACH
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Rocks and debris were over the road to Willow Beach.

Lightning in MOHAVE, ARIZONA
From 14-JUL-12 19:35:00 to 14-JUL-12 19:35:00 (MST-7)
Location: LAKE HAVASU CITY
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck several power lines in Lake Havasu City.

Flash Flood in MOHAVE, ARIZONA
From 16-JUL-12 13:25:00 to 16-JUL-12 14:30:00 (MST-7)
Location: COLORADO CITY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several homes in Colorado City had basement flooding, and one road was closed.

Thunderstorm Wind in MOHAVE, ARIZONA
From 12-JUL-12 16:15:00 to 12-JUL-12 16:15:00 (MST-7)
Location: MEADVIEW
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Strong winds knocked a man down an outdoor flight of stairs, injuring his head.

Flash Flood in MOHAVE, ARIZONA
From 14-JUL-12 17:00:00 to 14-JUL-12 18:00:00 (MST-7)
Location: MOHAVE VALLEY
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Department of Highways

County Road 1 was closed due to debris washing onto the road.