Abundant moisture remained over southeast Arizona, leading to the development of widespread thunderstorm activity.  Some storms produced heavy rain, large hail and damaging winds.

Hail in PIMA, ARIZONA
From 15-JUL-12 14:55:00 to 15-JUL-12 14:55:00 (MST-7)
Location: WHY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in COCHISE, ARIZONA
From 15-JUL-12 15:10:00 to 15-JUL-12 15:20:00 (MST-7)
Location: PIRTLEVILLE
Magnitude: 52.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds downed numerous trees and power lines in Douglas. Power was out in parts of the city for over 2 hours.  Winds also removed a portion of a roof from a business at 21st Street and I Avenue. Wind damage was more extensive across the border in Agua Prieta.

Flash Flood in COCHISE, ARIZONA
From 15-JUL-12 15:30:00 to 15-JUL-12 16:30:00 (MST-7)
Location: DOUGLAS ARPT
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Over 2 inches of rain caused urban flooding in Douglas. Many streets, including G Avenue were flowing with up to 2 feet of water. Some businesses also experienced minor flooding. Flash flooding was even more severe across the border in Agua Prieta.

Thunderstorm Wind in PIMA, ARIZONA
From 15-JUL-12 16:16:00 to 15-JUL-12 16:20:00 (MST-7)
Location: TUSCON MARANA NW AIRPORT
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds blew down 12 power poles along Tangerine Road near Gladden Farms. Around 2000 customers lost power in Marana.

Thunderstorm Wind in PIMA, ARIZONA
From 15-JUL-12 16:30:00 to 15-JUL-12 16:50:00 (MST-7)
Location: (TUS)TUCSON INTL ARP
Magnitude: 52.00 MG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm winds blew a trailer over in Drexel Heights. That same thunderstorm earlier produced a gust to 60 mph at the Tucson International Airport.  Downed power lines left about 2000 customers without power on the southwest side of Tucson. Twelve power poles were knocked down on the west side of Davis-Monthan Air Force Base.

Hail in PIMA, ARIZONA
From 15-JUL-12 17:09:00 to 15-JUL-12 17:22:00 (MST-7)
Location: TUCSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported near Grant and Alvernon as well as near Prince and Campbell.

Thunderstorm Wind in PIMA, ARIZONA
From 15-JUL-12 17:15:00 to 15-JUL-12 17:35:00 (MST-7)
Location: TUCSON
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds uprooted trees near Prince and Campbell and near Fort Lowell and First Avenue.  One tree fell through the roof of a residence. A storm spotter in this area measured a gust to 61 mph. Wind damage became extensive near the Tucson Mall. Numerous large wooden power poles were snapped or toppled along Oracle from Limberlost to River Road. Other poles were knocked down along Roger Road from First Avenue to Oracle Road.  About 15,000 customers were left without power. These road was closed for much of the following day. In addition, thunderstorm winds blew in a door at the Tucson Mall, knocking down an interior construction wall which damaged part of JC Penney and Forever 21 stores. About 50 trees were blown over near the mall, damaging a few parked vehicles.

Heavy Rain in PIMA, ARIZONA
From 15-JUL-12 16:15:00 to 15-JUL-12 17:45:00 (MST-7)
Location: TUCSON
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Between 2 and 3 inches of rain fell in a little over an hour in parts of Tucson.  Heavy rain caused the roof of part of the Tucson Mall to collapse, creating water damage in the JC Penney store.  The collapse damaged an air conditioner which caused a water line leak that led to more extensive water damage in the store.

Flash Flood in COCHISE, ARIZONA
From 15-JUL-12 18:00:00 to 15-JUL-12 20:30:00 (MST-7)
Location: RASO
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain of around 2 inches fell in a short amount of time in the northwest section of Willcox during the afternoon and led to flash flooding by early evening. Saguaro, North Fort Grant and Stewart Road were all closed due to flooding and one vehicle became stalled in flood waters. The flood waters caused a fissure to open up on Saguaro Road.

Flash Flood in PIMA, ARIZONA
From 15-JUL-12 16:45:00 to 15-JUL-12 18:15:00 (MST-7)
Location: (TUS)TUCSON INTL ARP
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding closed several roads from just south of the Tucson International Airport to Green Valley.  Franco Wash flooded Summit Street and Old Vail Connection Road.  Portions of Old Nogales Highway were also closed. In addition, Whitehouse Canyon Road east of Green Valley was flooded.

Flash Flood in PIMA, ARIZONA
From 15-JUL-12 17:35:00 to 15-JUL-12 20:30:00 (MST-7)
Location: (TUS)TUCSON INTL ARP
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Heavy rain over 2 inches in less than an hour caused extensive urban flash flooding in parts of the Tucson metropolitan area from Drexel Heights to Casas Adobes to Oro Valley. Area fire department responded to nearly a dozen incidents involving vehicles stranded in flood waters and performed several six swift water rescues. A mother and child were rescued from 2 feet of flowing water at River Road and First Avenue. Two vehicles were stuck in flowing water on Camino Del Cerro Road under Interstate 10. Four teenagers were rescued from an SUV on South Oak Tree Drive. Another rescue was performed on two occupants of a stranded vehicle near Ina and Silverbell. Numerous roads were closed due to flood waters into the night.