Strong winds, brief heavy rain and thunderstorms were associated with a deep low pressure system as it moved across Arizona late Monday. Strong winds resulted in widespread power outages across the metropolitan Phoenix area.

Thunderstorm Wind in LA PAZ, ARIZONA
From 07-DEC-09 20:19:00 to 07-DEC-09 20:20:00 (MST-7)
Location: QUARTZSITE ARPT
Magnitude: 70.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two tractor trailers were blown off Interstate 10 near Quartzsite.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:10:00 to 07-DEC-09 23:20:00 (MST-7)
Location: PHOENIX
Magnitude: 70.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several power poles damaged near Van Buren and Central.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:10:00 to 07-DEC-09 23:10:00 (MST-7)
Location: GLENDALE MUNI ARPT
Magnitude: 60.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Awings were torn from cement anchors at a mobile home park at 67th Avenue and Northern.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:18:00 to 07-DEC-09 23:18:00 (MST-7)
Location: SUNNYSLOPE
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Employee

Three lare trees snapped and blown down onto a road near 32nd Street and Greenway.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:13:00 to 07-DEC-09 23:13:00 (MST-7)
Location: PHOENIX DEER VLY ARP
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Measured peak gust at Deer Valley airport.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:45:00 to 07-DEC-09 23:45:00 (MST-7)
Location: NORTONS CORNER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Winds estimated at 60 mph based on DPS report of 50 feet visibility on Loop 202 and Gilbert.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:30:00 to 07-DEC-09 23:30:00 (MST-7)
Location: SCOTTSDALE MUNI
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Nine power poles and 4 trees knocked down at Scottsdale Road and Mayo Blvd.

Thunderstorm Wind in MARICOPA, ARIZONA
From 07-DEC-09 23:29:00 to 07-DEC-09 23:30:00 (MST-7)
Location: SCOTTSDALE MUNI
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Nine power poles and 4 trees knocked down at Scottsdale Road and Mayo Blvd.

Strong Wind in SOUTHWEST DESERTS, ARIZONA
From 07-DEC-09 22:00:00 to 07-DEC-09 23:00:00 (MST-7)
Magnitude: 48.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Four rollover accidents were reported by DPS on the westbound Interstate 8 near Mohawk. The trucks rolled over into the center median before the travel lanes were closed at 10:30 pm.

Strong Wind in YUMA/MARTINEZ LAKE AND VICINITY, ARIZONA
From 07-DEC-09 20:00:00 to 07-DEC-09 20:20:00 (MST-7)
Magnitude: 39.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong winds resulted in power outages and minor stuctural damage in Yuma Monday evening.

Thunderstorm Wind in PINAL, ARIZONA
From 07-DEC-09 23:45:00 to 07-DEC-09 23:46:00 (MST-7)
Location: APACHE JCT
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Local flooding with these thunderstorms.

Strong Wind in YUMA/MARTINEZ LAKE AND VICINITY, ARIZONA
From 07-DEC-09 23:00:00 to 07-DEC-09 23:55:00 (MST-7)
Magnitude: 44.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Peak wind gust measured at the airport.