An intense winter storm passed through Arizona during the evening hours of December 7th and during the early morning hours of December 8th.  Heavy snowfall and very strong winds combined to produce winter storm conditions in the mountains of southeast Arizona, with blizzard conditions occurring at times.  A particularly strong pressure gradient south of this storm produced a significant nighttime high wind event across much of southeast Arizona, with many reports of damage.

High Wind in TUCSON METRO/MARANA/GREEN VALLEY, ARIZONA
From 07-DEC-09 21:00:00 to 08-DEC-09 04:00:00 (MST-7)
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong winds gusted to near 70 mph across portions of eastern Pima County during the overnight hours, causing damage in several areas.  Portions of a roof blew off a residence on West Rama Drive in Green Valley, with the debris hitting several nearby mobile homes.  Winds downed several trees in the Green Valley and Sahuarita areas.
High winds also removed a roof from another residence in southwest Tucson, near the intersection of Cardinal Avenue and Valencia Road.  Strong winds also downed hundreds of trees on Mt. Lemmon, near Summerhaven.   Many of these trees damaged power lines as they fell, with dozens of homes and businesses spending several days without power.

High Wind in SANTA CRUZ COUNTY, ARIZONA
From 07-DEC-09 21:00:00 to 08-DEC-09 04:00:00 (MST-7)
Magnitude: 61.00 MG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a wind gust of 70 mph three miles northeast of Canelo at 3:10 AM MST. Strong winds caused damage to numerous power poles and lines in Santa Cruz County, causing power outages to thousands of residents in the Sonoita, Elgin and Patagonia areas. A rancher near Sonoita reported 2 barn roofs were blown off by the high winds.

High Wind in TOHONO OODHAM NATION, ARIZONA
From 08-DEC-09 00:00:00 to 08-DEC-09 02:00:00 (MST-7)
Magnitude: 65.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

High winds caused extensive damage to a manufactured home in Lower Covered Wells.  The roof was completely torn off the home, with damage to the walls as well.  Insulation was left in nearby tree branches.  Another roof was blown off a single wide manufactured home 2 miles northwest of Topawa.  No injuries were reported from either home.

Winter Storm in NORTHERN GREENLEE, ARIZONA
From 07-DEC-09 14:00:00 to 08-DEC-09 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Heavy snow occurred at Hannagan Meadow with over 20 inches during this storm.

Blizzard in NORTHERN GREENLEE, ARIZONA
From 07-DEC-09 15:00:00 to 08-DEC-09 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Blizzard conditions occurred at the highest elevations in Northern Greenlee County with very strong winds and limited visibility. Over 20 inches of snow fell.

Winter Storm in UPPER GILA RIVER VALLEY, ARIZONA
From 07-DEC-09 16:00:00 to 08-DEC-09 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

About 18 inches of snow occurred on Mt. Graham above 9000 feet.

Strong Wind in UPPER GILA RIVER VALLEY, ARIZONA
From 08-DEC-09 00:00:00 to 08-DEC-09 04:00:00 (MST-7)
Magnitude: 48.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Newspaper

Strong winds uprooted a large dead tree near the intersection of First Avenue and Highway 191 in Safford during the early morning hours.  The tree toppled onto an unoccupied residence, causing some roof damage to the home.

Blizzard in UPPER GILA RIVER VALLEY, ARIZONA
From 07-DEC-09 16:00:00 to 08-DEC-09 07:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Blizzard conditions occurred on Mt. Graham with strong winds gusting over 85 mph, near zero visibility and about 18 inches of snow.

Winter Storm in TUCSON METRO/MARANA/GREEN VALLEY, ARIZONA
From 07-DEC-09 18:00:00 to 08-DEC-09 09:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

About a foot of snow fell on Mt. Lemmon in the Santa Catalina Mountains.

High Wind in COCHISE COUNTY, ARIZONA
From 07-DEC-09 21:00:00 to 08-DEC-09 04:00:00 (MST-7)
Magnitude: 62.00 MG
Property damage: 1.00M
Crop damage: 0.00K
Reported by: ASOS

Widespread damaging winds occurred across Cochise County during the overnight hours.  Law enforcement reported winds blew out windows of some businesses in Sierra Vista.  Wind gusts near 70 mph blew portions of a roof off a warehouse in Sierra Vista, with the debris striking nearby power lines and causing power disruptions.  Roof damage was also reported at a motel in Sierra Vista, with about half of the roof removed.  Debris from the roof landed in a nearby parking lot, damaging several cars.  High winds damaged a large sign at a restaurant, with numerous traffic signs receiving damage throughout the Sierra Vista area.  Several reports of fallen trees and broken limbs were received, and at least four people in Sierra Vista reported falling trees causing damage to their vehicles. Strong winds caused damage to numerous power poles and power lines in Sierra Vista and surrounding Cochise County, resulting in power outages for thousands of homes and businesses. Many other power poles were damaged by the strong winds near Bowie, San Simon, and Willcox. The ASOS at Fort Huachuca measured a wind gust of 71 mph at 12:38 AM MST.