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A group of seven snowbikers met in Big Cottonwood Canyon and the Guardsmans Pass trailhead with the intention to ride in the area during the afternoon. Most of the group had extensive backcountry, including formal avalanche training, and members of the group were equipped with transceiver (though no transceiver check was performed), probe, shovel, and avalanche airbag. While they were aware of the

Two skiers left the Butler Fork trailhead in Big Cottonwood Canyon Saturday morning 2/21 with the plan to do a run known as The Triangle. This is in Butler Basin, a Big Cottonwood Canyon drainage east of Gobblers Knob. The skiers ascended a steep north-facing slope next to the desired run, when near the top an avalanche broke. Both skiers were caught and carried around 100 feet down the slope, bec

Just following noon two children and their father entered a backcountry area by leaving the Brighton Ski area boundary west of the Crest lift. One of the children, an 11 year old female ahead of her other family members, traversed into the backcountry along an apron above Rock Garden towards the Mary Main bowl at which time bystanders on the ridge reported that an avalanche released above her. She

In the late afternoon hours a man and his juvenile son were riding snowmobiles in the Snake Creek/Ant Knolls area of the Wasatch Mountains roughly between Alta and Midway. The father reportedly became stuck at the bottom of a steep bowl like slope around 4:00 PM, with the son also becoming stuck upon attempting to help. An avalanche released from higher up on the slope, narrowly avoiding the son,

A powerful winter storm brought heavy snow and strong winds to the area. Reported snow observations include 47 inches of snow at Alta - Collins (4.7 inches water), 36 inches of snow at Brighton Crest (3.7 inches water), 32 inches of snow at Solitude (3.3 inches water), and 28 inches of snow at Park City Mountain (2.7 inches of water). Additionally, SNOTEL stations including Thaynes Canyon and Mill

Several SNOTEL stations including Timberline, Clear Creek #2, and Daniels-Strawberry recorded from 0.9 to 2.2 inches of snow water equivalent, resulting in approximately 13 to 30 inches of snow. Some peak wind gust observations through the event include 78 mph at Monument Peak and 76 mph at Soldier Summit Ridge. Additionally, numerous accidents and slide-offs were reported along US-40.

A debris flow out of the Buckley Draw burn scar brought flash flooding to several homes, a church, and closed down portions of Nevada Avenue and Slate Canyon Drive.

A mud slide happened on U.S. 6 in Spanish Fork Canyon. No vehicles were involved, but both directions were closed for several hours for clean up.

Law enforcement in addition to the Utah Avalanche Center reported a natural avalanche in Little Cottonwood Canyon between Snowbird and Alta, which resulted in the partial burial of 3 vehicles containing a total of 5 or 6 passengers. No injuries were reported, and the main canyon road was reopened at approximately 7:30 PM MST.

Several SNOTEL stations including Cascade Mountain, Mill-D North, and Atwater recorded from 1.6 to 2.6 inches of snow water equivalent, resulting in approximately 19 to 34 inches of snow. Additionally, many snow safety community partners, including those within the Utah Department of Transportation, observed snow water equivalent ranging from approximately 1.2 to 2.1 inches, resulting in 18 to 32

Several SNOTEL stations including Mammoth-Cottonwood, Indian Canyon, and Timberline recorded from 1.0 to 1.4 inches of snow water equivalent, resulting in approximately 13 to 18 inches of snow.

Several SNOTEL stations including Timpanogos Divide, Mill-D North, and Atwater recorded from 1.6 to 2.4 inches of snow water equivalent, resulting in approximately 21 to 32 inches of snow. Additionally, snow safety partners including those at Alta, Brighton, and Park City reported approximately 1.6 to 3.0 inches of snow water equivalent, with corresponding snow measurements 23 to 39 inches.

Several SNOTEL stations including Mill-d North, Cascade Mountain, and Timpanogos Divide recorded from 1.4 to 2.8 inches of snow water equivalent, resulting in approximately 19 to 38 inches of snow. Additionally, many snow safety community partners, including those within the Utah Department of Transportation, observed snow water equivalent ranging from approximately 1.8 to 2.8 inches, resulting in

Several SNOTEL stations including Clear Creek #2, Huntington Horse, and Mammoth-Cottonwood recorded from 1.5 to 2.0 inches of snow water equivalent, resulting in approximately 17 to 26 inches of snow.

Snow water equivalent at several SNOTEL sites ranged from 1.5-2.5 inches, with an estimated 15-30 inches of snowfall.

A storm total snowfall of 37.0 inches with 3.69 inches of snow water equivalent was recorded at Alta-Collins. Other snowfall observations include 35.0 inches with 3.10 inches of snow water equivalent at Brighton Crest, 32.1 inches with 3.17 inches of snow water equivalent at Alta, 29.0 inches with 3.16 inches of snow water equivalent at Snowbird, and 23.0 inches with 2.25 inches of snow water equi

A skier and a guide were caught in an avalanche in the East Bowl of upper Silver Fork. The skier triggered the avalanche above the guide who was skiing below. Both were carried by the avalanche. The skier was badly injured, with a broken leg, but survived. The guide had traumatic injuries and died.

Sometime during the day, a party of backcountry skiers started a day in Big Cottonwood Canyon, eventually working their way up to the Park City ridgeline. The skiers then planned a descent into the Katie's area. One of the skiers started a descent, causing a hard slab to break approximately 30 ft above them on the second turn of their run. This avalanche caused the skier to be pulled into a chute

Per Utah Highway Patrol, a crash involving 14 vehicles occurred, closing down all northbound lanes of I-15 in Spanish Fork for at least 30 minutes, after which point some flow of traffic resumed. One driver was reportedly transported to a hospital in stable condition. Light snow showers associated with the final portion of a winter system were ongoing around this time, likely with some periods of

A snowboarder died in an avalanche in Silver Fork of Big Cottonwood Canyon.

A man was snowboarding in the Porter Fork area of Millcreek Canyon when he was caught by an avalanche. He was dug from the snow several days later.

A snowfall accumulation of 35.5 inches with 4.91 inches of snow water equivalent was measured at Alta. Other snowfall accumulations include 34.0 inches with 3.79 inches of snow water equivalent at Brighton, 27.0 inches with 3.08 inches of snow water equivalent at Snowbird, and 20.0 inches with 2.42 inches of snow water equivalent at Solitude.

Snow water equivalent at several SNOTEL sites ranged from 1.3-2.5 inches, with an estimated 13-25 inches of snowfall.

Several SNOTEL stations including Clear Creek #1, Strawberry Divide, and Huntington Horse recorded from 1.1 to 2.4 inches of snow water equivalent, resulting in approximately 12 to 26 inches of snow.

A pickup truck collided head-on with a semitrailer after the driver of the pickup truck lost control on state Route 96. Archived liquid precipitation measurements suggest around 0.2-0.5 had fallen in the area by that point, with National Operational Hydrologic Remote Sensing Center data indicating a snow depth of 2-4 inches at the time of the crash.

Time is estimated. Homes in Saratoga Springs sustained water damage due to intense bursts of rain, in particular on South Island Road. City parks were also impacted with floodwaters. Construction sites were also affected by rainfall.

Diamond Fork Road near the Fifth Water Hot Springs trailhead was closed due to mudslides.

A group of three backcountry skiers set out early in the morning to ski in the Big Willow Aprons area near Lone Peak. After skiing for several hours without issue, an unintentionally triggered soft slab avalanche occurred on the north aspect of the slope (approximately 40 degree angle) around 10,600 feet elevation. The avalanche was approximately 18 inches deep, 150 feet wide, and had a vertical r

Several SNOTEL stations including Mill-D North, Snowbird, and Atwater recorded 2.1 to 3.8 inches of snow water equivalent, resulting in approximately 23 to 40 inches of snow. An additional report of 24.8 inches of snowfall was received from a snow safety official at Alta.

A snowfall accumulation of 26.0 inches was measured at Alta - Collins. Other snowfall accumulations include 19.8 inches at Alta - Udot, 19.0 inches at Brighton - Crest, and 18.5 inches at Snowbird.

Three skiers skiing on the east face of Mt. Raymond in Millcreek Canyon triggered an avalanche, with a width of approximately 200 feet, a depth of 2 feet, and a vertical run of approximately 800 feet. One of the skiers was caught in the slide and forced into trees at a high rate of speed, which resulted in the skier breaking an arm. The other skiers were able to sling the injured skiers arm, and t

Several SNOTEL stations including Clear Creek #1, Corral, and Huntington Horse recorded 1.0 to 2.4 inches of snow water equivalent, resulting in approximately 13 to 32 inches of snow.

Several SNOTEL stations including Cascade Mountain, Mill-D North, and Atwater recorded 1.9 to 4.0 inches of snow water equivalent, resulting in approximately 18 to 54 inches of snow. Additionally, some reports received from the snow safety community include 39 inches of snow at Alta - Collins, 37 inches of snow at Brighton - Crest, and 25 inches of snow at Park City Mountain. An additional report

Several SNOTEL stations including Timberline, Indian Canyon, and Clear Creek #1 recorded roughly 1.0 to 2.2 inches of snow water equivalent, resulting in approximately 14 to 30 inches of snow. Strong winds and wind gusts were also observed at various mesonet sites in the zone through the event, with a peak wind gust of 81 mph at the Monument Peak mesonet site observed 3/2 at 4:10 pm MST.

The Tintic mesonet site measured the first wind gust exceeding high wind criteria, with an initial high wind gust of 59 mph observed 3/2 at 7:10 am MST. The EW4925 Provo mesonet site (personal weather station) measured the last wind gust exceeding high wind criteria, with a final high wind gust of 62 mph observed 3/2 at 4:25 pm MST. The Tintic mesonet site measured the zone's peak wind gust during

Several SNOTEL stations including Cascade Mountain, Mill-D North, and Payson R.S. recorded roughly 1.2 to 1.8 inches of snow water equivalent, resulting in approximately 18 to 26 inches of snow. Strong winds and wind gusts were also observed at various mesonet sites in the zone through the event. Some observations included a peak wind gust of 98 mph at the Cardiff Peak mesonet site 3/2 at 10:40 am

Time is unknown. Four skiers were caught in an avalanche near Big Cottonwood Canyon. One of the skiers had shoulder and upper leg pain and was not able to ski out. The other skiers called for help, and the injured skier was lifted out. The others skied out after medics recovered the injured skier.

A snowfall accumulation of 27 inches was measured at the Brighton - Crest site. Other snowfall accumulations include 23.5 inches at the Alta-Collins site, 18.5 inches at Park City Mountain, and 18.0 inches at Solitude Mountain Resort.

Time is unknown. A group of three skiers noticed a solo skier was caught in an avalanche in Little Cottonwood Canyon, then carried 1,500 feet by a second avalanche. A member of the group skied down to the caught individual, and called for assistance, with the injured skier then being lifted from the scene.

Snow water equivalent at several SNOTEL sites ranged from 2.0-2.7 inches, with an estimated 21-30 inches of snowfall accumulation.

A snowfall accumulation of 52 inches was measured at the Alta - Collins site. Other snowfall accumulations include 45 inches at the Brighton-Crest site, 39 inches at Park City Mountain, and 34 inches at Snowbird.||Little Cottonwood Canyon was closed for portions of time on February 7 for avalanche mitigation. ||Over 75 crashes were reported through the event.

A group of snowmobilers (estimated at 5 total) were riding in American Fork Canyon Saturday January 13 at an elevation of approximately 10000 feet on a northeast aspect. An avalanche was unintentionally triggered, catching 3 of the members, resulting in partial burial of 2 members, and full burial of 1 member. Of the 2 partial burials, one member deployed an airbag and was able to dig themselves o

A group of several skiers were backcountry skiing in the of Porter Fork area within Millcreek Canyon on Friday, January 12. The group completed multiple runs in the West Porter Fork portion, and on their third ascent, opted to exit Main Porter Fork from West Porter Fork. As they were exiting, an avalanche was triggered, and one of the skiers in the group was unable to get to a safe location before

Several SNOTEL stations including Timberline, Hobble Creek, and Huntington Horse recorded around 0.9 to 4.3 inches of snow water equivalent, resulting in approximately 12 to 56 inches of snow. Strong winds were also noted, with several observations at the Monument Peak mesonet site in excess of 70 mph (with a peak gust of 88 mph at 10:20 pm MST 1/12), and wind gusts at or above 60 mph at the Ford

Several SNOTEL stations including Timpanogos Divide, Thaynes Canyon, and Atwater recorded roughly 1.8 to 5.5 inches of snow water equivalent, resulting in approximately 22 to 71 inches of snow. Some additional snowfall reports from the snow safety community include 57.0 inches at Alta Ski Area, 48.0 inches at Brighton, and 31.5 inches at Snowbird. Strong winds were also noted, with several observa

Snow Squall. Multiple mesonet stations recorded periods of strong wind gusts (multiple periods in excess of 30 mph) and significant reductions to visibility as a well defined band of snow moved into the area, and gradually began to fall apart as the evening progressed. Some examples include the I-80 @ Grassey mesonet site (peak wind gust of 43 mph, visibility below 1/2 of a mile), the I-80 at MP 6