Abundant moisture (1.8-2.0) and an unstable environment (MUCAPE 2,000-4,000 J/kg) across south-central and southwest Arizona allowed for convective development to become strong to severe. Thunderstorms initiated over the high terrain of northern Arizona before working toward the south into the lower deserts. Severe thunderstorms produced damaging wind gusts upwards of 60-70 mph along with several reports of flash flooding. No injuries were reported.

Flash Flood in MARICOPA, ARIZONA
From 17-AUG-22 15:28:00 to 17-AUG-22 15:42:00 (MST-7)
Location: MATTHIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A FCDMC stream gage along Sols Wash exceed alarm stage, impacting a downstream low water crossing on Vulture Mine Road. At 1529MST, the gage peaked at a depth of 2.51 feet and a flow of 1,577 CFS. No damage or injuries were reported.

Flash Flood in YUMA, ARIZONA
From 17-AUG-22 20:30:00 to 17-AUG-22 21:30:00 (MST-7)
Location: MARTINEZ LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A wash was reported to be flowing six inches in depth across Cibola Road off of SR 95. Timing estimated from radar. No damage or injuries were reported.

Flash Flood in LA PAZ, ARIZONA
From 17-AUG-22 18:50:00 to 17-AUG-22 19:50:00 (MST-7)
Location: QUARTZSITE ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

ADOT reported flooding on SR 95 near milepost 111, impacting travel on the road. Timing estimated from radar. No damage or injuries were reported.

Thunderstorm Wind in PINAL, ARIZONA
From 17-AUG-22 18:16:00 to 17-AUG-22 18:16:00 (MST-7)
Location: STANFIELD
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A road sign along I-8 near milepost 151 was blown over with the supports snapped in half. No injuries were reported.

Thunderstorm Wind in MARICOPA, ARIZONA
From 17-AUG-22 16:08:00 to 17-AUG-22 16:08:00 (MST-7)
Location: MC MICKEN
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Images and videos showed numerous uprooted trees across the Verrado community in Buckeye, blocking numerous streets. Another image showed a block wall blown over in the area. Timing estimated from radar. No injuries were reported.

Dust Storm in SOUTHEAST VALLEY/QUEEN CREEK, ARIZONA
From 17-AUG-22 18:29:00 to 17-AUG-22 18:39:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dense blowing dust reduced visibility below 1/4 mile near Cloud Road and 220th Street. No accidents or injuries were reported.

Dust Storm in NORTHWEST PINAL COUNTY, ARIZONA
From 17-AUG-22 18:47:00 to 17-AUG-22 18:57:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dense blowing dust reduced visibility below 1/4 mile near Magma Road and Hunt Highway. No accidents or injuries were reported.

Thunderstorm Wind in MARICOPA, ARIZONA
From 17-AUG-22 14:29:00 to 17-AUG-22 14:29:00 (MST-7)
Location: WICKENBURG MUNI ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station at the Wickenburg Airport (MAWA) measured a 58 mph gust.

Thunderstorm Wind in YUMA, ARIZONA
From 17-AUG-22 19:11:00 to 17-AUG-22 19:11:00 (MST-7)
Location: PIONEER
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Yuma Proving Ground Station 48 mesonet measured a 69 mph gust.

Thunderstorm Wind in MARICOPA, ARIZONA
From 17-AUG-22 16:05:00 to 17-AUG-22 16:05:00 (MST-7)
Location: MC MICKEN
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station in Litchfield Park measured a 61 mph gust.

Dust Storm in NORTHWEST PINAL COUNTY, ARIZONA
From 17-AUG-22 18:42:00 to 17-AUG-22 18:52:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Dense blowing dust reduced visibility below 1/4 mile along Ironwood Road. No accidents or injuries were reported.

Thunderstorm Wind in PINAL, ARIZONA
From 17-AUG-22 18:46:00 to 17-AUG-22 18:46:00 (MST-7)
Location: MAGMA
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station in San Tan Valley measured a 64 mph gust.

Thunderstorm Wind in PINAL, ARIZONA
From 17-AUG-22 18:45:00 to 17-AUG-22 18:45:00 (MST-7)
Location: MAGMA
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station in San Tan Valley measured a 69 mph gust.