A strong trough of low pressure brought strong winds, snow, and rain to northern Arizona. Blowing snow and dust impacted travel along Interstate 40 east of Flagstaff to the New Mexico Boarder. Snow covered roads also impacted travel over the high country.

Dust Storm in LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY, ARIZONA
From 21-JAN-12 14:30:00 to 21-JAN-12 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Blowing dust, sand, and snow caused white/brown out conditions along Interstate 40 near Winslow. The visibility dropped to near zero at times. State police escorted travelers through this section of Interstate.

Dust Storm in LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY, ARIZONA
From 21-JAN-12 14:30:00 to 21-JAN-12 17:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Blowing dust, sand, and snow caused white/brown out conditions along Interstate 40 near Winslow. The visibility dropped to near zero at times. State police escorted travelers through this section of Interstate.

High Wind in LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY, ARIZONA
From 21-JAN-12 16:00:00 to 21-JAN-12 19:00:00 (MST-7)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind sensor in Concho recorded sustained winds above 40 MPH and/or wind gusts above 58 MPH for close to three hours.  The peak wind gust was 62 MPH.

High Wind in LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY, ARIZONA
From 21-JAN-12 16:00:00 to 21-JAN-12 17:15:00 (MST-7)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS in Winslow recorded sustained winds above 40 MPH and/or wind gusts above 58 MPH for a little over an hour.  The peak wind gust was 59 MPH.

High Wind in COCONINO PLATEAU, ARIZONA
From 21-JAN-12 16:00:00 to 21-JAN-12 17:00:00 (MST-7)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind sensor in Fraziers Well recorded sustained winds above 40 MPH and/or wind gusts above 58 MPH for close to an hour.  The peak wind gust was 61 MPH.

High Wind in EASTERN MOGOLLON RIM, ARIZONA
From 21-JAN-12 15:15:00 to 21-JAN-12 18:15:00 (MST-7)
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind sensor in Linden recorded sustained winds above 40 MPH and/or wind gusts above 58 MPH for close to three hours.  The peak wind gust was 69 MPH. THe Mogollon Airpark reported a peak wind gust of 60 MPH.

High Wind in WESTERN MOGOLLON RIM, ARIZONA
From 21-JAN-12 16:00:00 to 21-JAN-12 18:00:00 (MST-7)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Two different wind sensors in Doney Park (northeast of Flagstaff on the lee side of the San Francisco Peaks) reported peak wind gusts of 61 MPH.

Winter Weather in WESTERN MOGOLLON RIM, ARIZONA
From 21-JAN-12 12:00:00 to 21-JAN-12 23:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Snow covered roads and unsafe winter driving lead to at least ten slide offs and collisions in the Flagstaff area on Interstate 40.  At least one vehicle rolled over and one person had to be extracted and was transported to the Flagstaff Medical Center. There were also multiple slide offs and collisions on Interstate 17 near Flagstaff. Both Interstates were blocked for a while. The east bound lanes of I-40 were backed up for as much as 10 miles. State Highway 64 north of Williams was also close for a time due to the weather.

High Wind in LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY, ARIZONA
From 21-JAN-12 14:00:00 to 21-JAN-12 17:00:00 (MST-7)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An ADOT wind sensor at Two Guns recorded sustained winds above 40 MPH and/or wind gusts above 58 MPH for close to three hours. The peak wind gust was 71 MPH.  The peak wind gust in Leupp was 70 MPH. Wupatki reported a peak  wind gust of 59 MPH.