Thunderstorms developed across portions of Yuma and La Paz Counties during the afternoon hours on August 3rd and some of the stronger storms affected the area east of Yuma, along Interstate 8 through the town of Tacna. Isolated strong storms produced gusty and damaging microburst winds that downed a number of power poles in the area around Tacna and further westward along Interstate 8. Additionally, some of the gusty outflow winds produced trailer damage to structures in the town of Tacna. No injuries were reported due to the strong winds. A Severe Thunderstorm Warning was not in effect at the time of the damage. Further to the north, at 1500MST, microburst winds 7 miles south of Quartzsite damaged several sheds and a trailer as well as an off-road vehicle.

Thunderstorm Wind in YUMA, ARIZONA
From 03-AUG-17 16:05:00 to 03-AUG-17 16:05:00 (MST-7)
Location: TACNA
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms developed across portions of southwest Yuma County during the afternoon hours on August 3rd, and some of them affected the town of Tacna along Interstate 8. Some of the stronger storms generated gusty and damaging microburst winds estimated to be as high as 70 mph. According to a trained spotter about 2 miles southwest of Tacna, at 1605MST strong winds flipped several small trailers south of Interstate 8 near the intersection of 11th Street and Avenue 39. No injuries were reported as a result of the damage.

Thunderstorm Wind in YUMA, ARIZONA
From 03-AUG-17 16:07:00 to 03-AUG-17 16:07:00 (MST-7)
Location: TACNA
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms developed to the east of Yuma, and near the town of Tacna, during the afternoon hours on August 3rd. Some of the stronger thunderstorms produced gusty and damaging outflow winds estimated to be at least 60 mph in strength. According to a trained weather spotter, strong outflow winds blew the awning off of a home near Avenue 39 and County 8, about 1 mile northwest of the town of Tacna.

Thunderstorm Wind in YUMA, ARIZONA
From 03-AUG-17 16:15:00 to 03-AUG-17 16:15:00 (MST-7)
Location: TACNA
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms developed to the east of Yuma, and near the town of Tacna, during the afternoon hours on August 3rd. Some of the stronger storms produced gusty and damaging microburst winds which were estimated to be as high as 70 mph. According to a trained spotter less than one mile north of Tacna, several power poles were downed near Avenue 40. No cross streets were given. No injuries were reported.

Thunderstorm Wind in YUMA, ARIZONA
From 03-AUG-17 16:15:00 to 03-AUG-17 16:15:00 (MST-7)
Location: WELLTON
Magnitude: 61.00 EG
Property damage: 70.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms developed to the east of Yuma, and close to the town of Wellton, during the afternoon hours on August 3rd. Some of the stronger storms produced gusty and damaging microburst winds. According to local law enforcement, at 1615MST, 5 power poles were blown down about 5 miles to the west of Wellton and just north of Interstate 8. At the same time, a trained spotter reported several power poles down slightly further to the west, about 4 miles to the east of the town of Ligurta. The poles were located along Avenue 24. The microburst wind gusts that downed the poles were estimated to be as high as 70 mph.

Thunderstorm Wind in LA PAZ, ARIZONA
From 03-AUG-17 15:00:00 to 03-AUG-17 15:00:00 (MST-7)
Location: QUARTZSITE
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms developed across the southern portion of La Paz County during the afternoon hours on August 3rd and one of the stronger storms affected areas around the town of Quartzsite. A storm located about 6 miles south of Quartzsite produced gusty damaging outflow winds estimated to be as high as 70 mph. According to local law enforcement, at 1500MST, strong microburst winds damaged several sheds, a trailer and an off-road vehicle in Laz Paz Valley, just west of Highway 95. The trailer was completely blown over. The damage was confirmed by La Paz County Sheriff's Dispatch as well as a witness. No injuries were reported due to the strong winds.