A large scale trough of low pressure brought two back to back storms to northern Arizona over much of a four day period. These storms brought close to two feet of new snow over the Western Mogollon Rim at 7000 feet and close to four feet of new snow above 9000 feet. The first storm was cold enough to lower the snow level to the floor of the Grand Canyon. The snow level rose to the 7000 foot level for an hour or two with the second storm. Dring this event the Department of Public Safety for northern Arizona responded to 188 slideoffs on highways in the northern region. Officers also responded to 65 collisions, 12 of which involved injury. Two people were transported to Flagstaff Medical Center to be treated for their injuries.

Heavy Snow in YAVAPAI COUNTY MOUNTAINS, ARIZONA
From 15-DEC-08 14:00:00 to 18-DEC-08 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter 4.5 miles west of Ash Fork reported 12 inches of new snow by noon on December 16th. It was still snowing hard.

Heavy Snow in MARBLE CANYON AND GLEN CANYON, ARIZONA
From 17-DEC-08 18:00:00 to 18-DEC-08 05:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy snow fell even for lower elevations such as Page at about 4300 feet elevation.  Page received about 2.3 inches of snow in less than 12 hours.

Heavy Snow in GRAND CANYON COUNTRY, ARIZONA
From 15-DEC-08 18:00:00 to 18-DEC-08 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Over a foot of new snow fell at the South Rim of the Grand Canyon in 24 hours. Observers reported 12 to 15 inches of snow in 24 hours and 4 to 5 inches of snow between 10 PM on the 17 to 6 AM on the 18th.  Highway 64 was closed from the Grand Canyon Village to Desert View on the morning of December 18th. The storm knocked out power in Indian Gardens for almost two days.

Heavy Snow in COCONINO PLATEAU, ARIZONA
From 15-DEC-08 18:00:00 to 18-DEC-08 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A foot of snow fell in Valle during this storm.

Heavy Snow in KAIBAB PLATEAU, ARIZONA
From 15-DEC-08 18:00:00 to 18-DEC-08 08:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eighteen inches of snow fell in Jacob Lake during this storm.

Heavy Snow in NORTHERN GILA COUNTY, ARIZONA
From 16-DEC-08 06:00:00 to 18-DEC-08 06:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At least 6 inches of snow fell in the Pine-Strawberry area on the 16 of December.  Highway 87 was closed until the snow and ice could be cleared.

Heavy Rain in GILA, ARIZONA
From 15-DEC-08 08:00:00 to 18-DEC-08 08:00:00 (MST-7)
Location: PINE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain in the lower elevations of Gila County caused Tonto Creek to be come impassable. Residents were stranded on one side of the creek for several days. Between 400 and 600 people live on one side of the creek and often become stranded when the all three crossings become flooded.

Heavy Snow in WESTERN MOGOLLON RIM, ARIZONA
From 15-DEC-08 14:00:00 to 18-DEC-08 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Snow began falling over the area during the afternoon of December 15th. By the morning of December 18th,  there was about two feet of new snow on the ground at the 7000 foot level. The snow caused many traffic accidents, power outages, and business/school closures and/or delayed  openings. The City of Flagstaff Police responded to 80 slideoffs, 61 non-injury collisions, and nine injury collisions during this event. Coconino County sheriff deputies responded to 35 slideoffs and 10 non-injury collisions.  Between Williams and Flagstaff, 10 to 13 inches of snow had fallen by the evening of December 16th.  A spotter at near 9000 feet had a storm total of 38 inches. Munds Park had 14 inches of snow by 8 AM on the 16th with snow still falling.

Heavy Snow in EASTERN MOGOLLON RIM, ARIZONA
From 15-DEC-08 14:00:00 to 18-DEC-08 14:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter in Forest Lakes reported 12 inches of snow between 3 PM on December 15 and 9 AM on December 16th.