Arizona, 2010Winter Storm and Heavy Snow in Arizona, February 21 to 23, 2010
February 21 to 23, 2010 · NWS FGZ · 6 events in 6 counties and zones
A strong winter storm hit northern Arizona with widespread snow and rain.
Every event with a place to put it; 6 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
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
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.
A strong winter storm hit northern Arizona with widespread snow and rain.
Winter Storm, Kaibab Plateau
- When
- February 21, 6:00 PM MST to February 22, 6:00 PM 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 new snow fell in Jacob Lake.
Winter Storm, Grand Canyon Country
- When
- February 21, 6:00 PM MST to February 22, 6:00 PM 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)
Ten inches of new snow fell at the South Rim of the Grand Canyon.
Winter Storm, Western Mogollon Rim
- When
- February 21, 6:00 PM MST to February 22, 6:00 PM MST
- Where
- Western Mogollon Rim forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 35.839, -111.770 (the zone’s center; the record gives no point)
The Flagstaff area received between 8 and 11 inches of new snow. Kachina Village received 11.9 inches of new snow. A spotter 13 miles northwest of Flagstaff received 13-15 inches of new snow. Munds Park received 8 inches of new snow.
Winter Storm, Eastern Mogollon Rim
- When
- February 21, 6:00 PM MST to February 22, 10:00 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)
Clints Well received between 9 and 10 inches of new snow. The Heber-Overgaard area received between 8 and 10 inches of new snow. Forest Lakes received 18 inches of new snow. Cebecue (5000 feet elevation) received 5 inches of new snow.
Heavy Snow, Yavapai County Mountains
- When
- February 21, 8:00 PM MST to February 22, 3:00 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)
Six inches of snow fell at 6700 feet 6 miles south of Prescott.
Winter Storm, White Mountains
- When
- February 21, 8:00 PM MST to February 23, 12:00 AM MST
- Where
- White Mountains forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 35.398, -109.905 (the zone’s center; the record gives no point)
Pinetop-Lakeside received between 8 and 9 inches of new snow. White River (5300 feet elevation) received 5 inches of new snow.
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
- 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.
- Avalanche in Wyoming, February 21, 20101 death · 1 event
- Hail in Louisiana, February 21, 2010$50,000 · 2.5 in hail · 2 events
- Winter Storm in Missouri, February 21, 201026 events
- Winter Storm and Winter Weather in Iowa, February 21 to 22, 201013 events
- Winter Storm and Winter Weather in Illinois, February 21 to 22, 201012 events
- High Surf in Hawaii, February 21 to 23, 201011 events
- Heavy Snow in Michigan, February 21 to 22, 20109 events
- Flash Flooding and Flood in Missouri, February 21 to 22, 20108 events
- Hail in Mississippi, February 21 to 22, 2010$3,000 · 1.75 in hail · 7 events
- Winter Storm in Kansas, February 21, 20106 events
- Winter Storm and Winter Weather in Illinois, February 21 to 22, 20106 events
- Heavy Snow in Missouri, February 21 to 22, 20105 events
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 2026-09-24. Each event’s entry at NCEI: 217214, 217216, 217328, 217329, 217221, 217330.