Scattered strong thunderstorms, with locally heavy rain, developed over the greater Phoenix metropolitan area during the late afternoon and evening hours on July 15th. Some of the storms produced gusty and damaging winds, estimated to reach or exceed 60 mph. The intensity of the storms warranted the issuance of several products such as Severe Thunderstorm Warnings and Urban Flood Advisories. The gusty winds blew down a large number of trees in the greater Phoenix area, and even blew a semi trailer-truck off of Interstate 10 near Wild Horse Pass road.

Thunderstorm Wind in MARICOPA, ARIZONA
From 15-JUL-13 16:54:00 to 15-JUL-13 16:54:00 (MST-7)
Location: WEST CHANDLER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered thunderstorms, some with strong gusty winds, developed during the late afternoon hours across portions of the greater Phoenix area and they affected the community of Ahwatukee. At 454 pm, a trained weather spotter 1 mile southwest of Ahwatukee estimated a wind gust to 60 mph. The strong winds caused a number of trees to be blown down in the area. Small hail up to one quarter inch in diameter accompanied the gusty winds.

Thunderstorm Wind in MARICOPA, ARIZONA
From 15-JUL-13 17:30:00 to 15-JUL-13 17:45:00 (MST-7)
Location: BUCKHORN
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Scattered strong thunderstorms developed in the greater Phoenix area during the late afternoon hours on July 15th, and they affected communities such as Mesa and Chandler. The storms produced gusty and damaging winds estimated to be as high as 60 mph.  According to a public report, at 545 pm a tree with a diameter of 14 inches was blown over and numerous branches 2 to 4 inches in diameter were blown off of trees in the community of Mesa. Additionally, a trained weather spotter 3 miles northeast of Chandler Fashion Square Mall reported 1 to 2 inch diameter branches blown off of trees at 530 pm. Visibility was reported to be down to 200 yards in heavy rain.

Thunderstorm Wind in MARICOPA, ARIZONA
From 15-JUL-13 16:57:00 to 15-JUL-13 17:10:00 (MST-7)
Location: WEST CHANDLER
Magnitude: 52.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered strong thunderstorms developed during the late afternoon and evening hours and they affected portions of the greater Phoenix area, including the community of Ahwatukee. At 457 pm, a trained weather spotter 1 mile southwest of Ahwatukee reported numerous trees blown down near the intersection of 30th Street and Chandler Boulevard. Winds were estimated to be from 55 to near 60 mph. Pea to marble sized hail accompanied the strong winds. A Severe Thunderstorm Warning was in effect for the area, beginning at 454 pm and continuing until 545 pm.

Heavy Rain in MARICOPA, ARIZONA
From 15-JUL-13 17:10:00 to 15-JUL-13 19:30:00 (MST-7)
Location: HELENA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered thunderstorms developed across portions of the greater Phoenix metropolitan area during the afternoon hours on July 15th, and they produced locally heavy rainfall across portions of the east valley communities such as Mesa, Tempe  and Chandler. The heavy rain led to the issuance of an Urban and Small Stream Flood Advisory which began at 527 pm and continued until 730 pm. At 525 pm a trained weather spotter 3 miles southwest of Fiesta Mall reported 0.72 inches of rain within 25 minutes. Another trained spotter 5 miles northeast of Phoenix Mesa Gateway reported 0.40 inches within 15 minutes. The heavy rain led to urban flooding and significant disruption to the rush hour traffic across the east valley communities.

Thunderstorm Wind in MARICOPA, ARIZONA
From 15-JUL-13 17:30:00 to 15-JUL-13 17:45:00 (MST-7)
Location: WEST CHANDLER
Magnitude: 61.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered thunderstorms developed in the greater Phoenix area during the late afternoon hours on July 15th, and they affected the community of Ahwatukee. The storms produced gusty and damaging winds estimated to be in excess of 60 mph. According to a trained weather spotter, at 535 pm over 50 trees were blown down in the Lakewood subdivision. Some fallen trees caused other damage to cars and property. The tree diameters were all 12 inches or larger. In addition, there was roof damage noted on a concrete tile roof. A Severe Thunderstorm Warning had been issued for the area starting at 454 pm and continuing until 545 pm.

Thunderstorm Wind in MARICOPA, ARIZONA
From 15-JUL-13 17:05:00 to 15-JUL-13 17:10:00 (MST-7)
Location: WEST CHANDLER
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Scattered strong thunderstorms developed during the late afternoon hours across portions of the greater Phoenix metropolitan area, and they affected communities such as Ahwatukee and Firebird Lake. The storms produced gusty winds estimated to be in excess of 60 mph. According to local broadcast media reports, at 505 pm a semi truck was blown off of Interstate 10 and overturned near 1-10 and Wild Horse Pass Road, approximately 1 mile north of Firebird Lake. No injuries were reported. A Severe Thunderstorm Warning had been issued for the area beginning at 454 pm and continuing until 545 pm.

Thunderstorm Wind in MARICOPA, ARIZONA
From 15-JUL-13 17:30:00 to 15-JUL-13 17:45:00 (MST-7)
Location: WEST CHANDLER
Magnitude: 70.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Scattered thunderstorms developed in the greater Phoenix area during the late afternoon hours on July 15th, and they affected the community of Ahwatukee. The storms produced gusty and damaging winds estimated to be in excess of 70 mph. According to broadcast media reports and supported by aerial video, 4 homes under construction in a subdivison directly west of Desert View High School between E. Frye Rd. and E. Glenhaven Rd. were destroyed and an additional 6 homes (further along in the construction process had minor damage. A Severe Thunderstorm Warning had been issued for the area starting at 454 pm and continuing until 545 pm.