Scattered thunderstorms affected the greater Phoenix metropolitan area during the late afternoon and evening hours on August 12th. In addition to heavy rain, the storms also generated strong and gusty microburst winds, with peak gusts estimated to be in excess of 60 mph. The stronger storms damaged a number of trees in the greater Phoenix area, especially in the southeastern communities such as Tempe, Chandler and Mesa. Some of the trees that were blown down had diameters greater than one foot. No injuries were reported due to the falling trees.

Thunderstorm Wind in MARICOPA, ARIZONA
From 12-AUG-14 17:04:00 to 12-AUG-14 17:04:00 (MST-7)
Location: GILBERT
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Scattered thunderstorms affected the greater Phoenix metropolitan area during the late afternoon and evening hours on August 12th, and some of them affected the communities of Gilbert and Chandler. In addition to heavy rain, the stronger storms produced gusty and damaging microburst winds. According to a trained weather spotter 2 miles southeast of Gilbert, thunderstorm wind gusts estimated to be at least 60 mph downed a number of trees at the intersection of Warner Road and Greenfield. No injuries were reported due to the fallen trees.

Thunderstorm Wind in MARICOPA, ARIZONA
From 12-AUG-14 17:50:00 to 12-AUG-14 17:50:00 (MST-7)
Location: TEMPE
Magnitude: 56.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Employee

Scattered thunderstorms affected the greater Phoenix metropolitan area during the late afternoon and evening hours on August 12th, and some of them affected the community of Tempe. In addition to heavy rain, the stronger storms produced gusty and damaging microburst winds. A National Weather Service employee reported that thunderstorms winds, estimated to be at least 60 mph, downed a 25 foot tall tree at the intersection of Rural Road and Broadway Road in north Tempe. The tree had a diameter of approximately one and a half feet. No injuries were reported due to the fallen tree.

Thunderstorm Wind in MARICOPA, ARIZONA
From 12-AUG-14 16:43:00 to 12-AUG-14 16:43:00 (MST-7)
Location: MC QUEEN
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Scattered thunderstorms developed across the greater Phoenix area during the evening hours on August 12th and some of them affected the community of Mesa. In addition to heavy rain, the storms produced gusty and damaging outflow winds. According to a public report, a large tree with an estimated diameter of 2 feet was uprooted by thunderstorm winds estimated to be nearly 70 mph. The tree was blown down near the Holmes school, located between Broadway Road and Southern Avenue.

Thunderstorm Wind in MARICOPA, ARIZONA
From 12-AUG-14 16:55:00 to 12-AUG-14 16:55:00 (MST-7)
Location: MESA
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Scattered evening thunderstorms developed across the greater Phoenix metropolitan area on August 12th, and some of them affected the community of Mesa. In addition to heavy rain, the stronger storms produced gusty and damaging outflow winds. According to a report from the Mesa police department, a thunderstorm wind gust estimated to be 65 mph blew over a two foot diameter tree at the intersection of Stapley road and Main street in central Mesa. The tree fell over a stone fence and was blocking the road. No injuries were reported due to the fallen tree.