3 dead, 4 injured after avalanche in B.C. Interior, police say

Avalanche happened around noon Wednesday in the area of Panorama Mountain Resort near Invermere

Three people are dead and four more seriously injured after an avalanche in the B.C. Interior around noon on Wednesday, RCMP have confirmed.

A statement Thursday said a total of 10 people were caught in the avalanche while they were heli-sking in the area of Panorama Mountain Resort near Invermere, B.C., around 160 kilometres west of Calgary.

All of of the skiers were "foreign nationals," police said, except for their guide. Their identities were not released.

The three remaining skiers have been safely accounted for. RCMP said the four injured skiers are expected to survive.

A spokesperson for the resort said the avalanche occurred outside of its boundaries, but it closed some of its upper lifts in order to support rescue personnel.

Avalanche Fatalities - B.C. March, 2023

READ MORE: Why March is so dangerous when it comes to avalanches

Highly volatile season

There have now been 12 avalanche fatalities in B.C. in 2023 so far, including a search-and-rescue volunteer killed alongside another skier in the Chilcotin region, two off-duty officers with the Nelson Police Department who were on a ski trip near Kaslo and two brothers from Pennsylvania who were on a guided heli-skiing trip in B.C.'s Interior.

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Avalanche Canada has compared this season's snowpack with conditions last seen in the winter of 2002-2003, when 25 people lost their lives in B.C.'s backcountry, making it one of the province's worst years on record for avalanche fatalities.

WATCH: Peak avalanche danger comes as spring approaches

Forecasters say this year's snowpack, with a weak layer of sugar-like crystals buried near the bottom, is to blame for the dangerous conditions.

People heading into the backcountry are urged to check the avalanche forecast and make conservative decisions about which terrain they choose to explore. An avalanche transceiver, snow probe and snow shovel are essential, along with practice in their use, according to officials.

Avalanche explainer - baron. How an avalanche trigger works

A timeline of avalanche events this season

Dec. 31: A skier suffers life-threatening injuries in a slide near Emerald Lake in southeast B.C., near the Alberta border, Avalanche Canada says in a report.

Jan. 5: Avalanche Canada warns of a touchy snowpack, with various weak layers created by long periods of drought and cold weather. "Riders have triggered large, scary avalanches with high consequences,'' the advisory says.

Jan. 9: Two off-duty police officers are caught up in an avalanche near Kaslo, B.C., while backcountry skiing. Nelson Police Service Const. Wade Tittemore, 43, dies and Const. Mathieu Nolet, 28, sustains severe internal injuries.

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Jan. 21: Nolet dies of his injuries in hospital.

Jan. 21: Two snowmobilers riding at the base of a slope near Valemount, B.C., accidentally trigger an avalanche from above, sending a slab of snow onto one rider while the other escapes. The buried rider is found unresponsive and dies.

Jan. 23: Heli-skiers and their guide are caught in an avalanche near Revelstoke, B.C. The two guests, brothers and American businessmen Jon and Tim Kinsley, are dug out of the snow unresponsive and declared dead in hospital. The guide is taken to hospital in stable condition.

Jan. 23: A slide comes down on one person near Cherryville, B.C. Emergency health services say the person is taken to hospital with undetermined injuries.

Feb. 11: Two skiers are caught in an avalanche on Potato Peak, 175 kilometres southeast of Prince George. Both victims were buried alive and were found deceased by search-and-rescue crews. One of those killed is identified as an off-duty member of the local search and rescue team.

Feb. 16: Three people are buried in an avalanche triggered outside of a ski-area boundary near Golden, B.C. One is partially buried and extracted, while two are fully buried and do not survive.

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This articles was originally published for CBC News.