Arizona, 2008

Heavy Snow and Heavy Rain in Arizona, December 15 to 18, 2008

December 15 to 18, 2008 · NWS FGZ · 9 events in 9 counties and zones

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.

Where it happened

Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
10
Property damage
None recorded
Crop damage
None recorded
Events
9

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS FGZ wrote it up.

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.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

8 heavy snow, 1 heavy rain. Local standard time, as filed.

Heavy Rain, Gila

When
December 15, 8:00 AM MST to December 18, 8:00 AM MST
Where
Gila County, 1.17 mi WNW of Pine to 15.26 mi NNE of Young
Reported by
Newspaper
Coordinates
34.389, -111.467

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, Western Mogollon Rim

When
December 15, 2:00 PM MST to December 18, 2:00 PM MST
Where
Western Mogollon Rim forecast zone
Injuries
10 direct, 0 indirect
Reported by
Newspaper
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

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, Eastern Mogollon Rim

When
December 15, 2:00 PM MST to December 18, 2:00 PM MST
Where
Eastern Mogollon Rim forecast zone
Reported by
Trained Spotter
Coordinates
35.620, -111.045 (the zone’s center; the record gives no point)

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

Heavy Snow, Yavapai County Mountains

When
December 15, 2:00 PM MST to December 18, 2:00 PM MST
Where
Yavapai County Mountains forecast zone
Reported by
Trained Spotter
Coordinates
34.600, -112.554 (the zone’s center; the record gives no point)

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, Grand Canyon Country

When
December 15, 6:00 PM MST to December 18, 6:00 AM MST
Where
Grand Canyon Country forecast zone
Reported by
Park/Forest Service
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

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, Coconino Plateau

When
December 15, 6:00 PM MST to December 18, 8:00 AM MST
Where
Coconino Plateau forecast zone
Reported by
Trained Spotter
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

A foot of snow fell in Valle during this storm.

Heavy Snow, Kaibab Plateau

When
December 15, 6:00 PM MST to December 18, 8:00 AM MST
Where
Kaibab Plateau forecast zone
Reported by
Trained Spotter
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

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

Heavy Snow, Northern Gila County

When
December 16, 6:00 AM MST to December 18, 6:00 AM MST
Where
Northern Gila County forecast zone
Reported by
Trained Spotter
Coordinates
33.800, -110.812 (the zone’s center; the record gives no point)

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 Snow, Marble Canyon and Glen Canyon

When
December 17, 6:00 PM MST to December 18, 5:00 AM MST
Where
Marble Canyon and Glen Canyon forecast zone
Reported by
Trained Spotter
Coordinates
35.839, -111.770 (the zone’s center; the record gives no point)

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.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Arizona in 2008Every state in 2008This day in weather historyWarnings in Arizona, December 2008

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 141797, 137962, 141226, 141228, 141745, 141746, 141747, 141794, 141731.