INVERMERE, B.C. – A father and son from Calgary have been recognized because the victims of a giant avalanche that swept down the aspect of a mountain in southeastern British Columbia.
RCMP say a bunch of 9 snowmobilers was sledding Saturday on Mount Brewer within the Purcell Mountain vary close to Invermere when two individuals had been swept away by what Avalanche Canada describes as a slide “able to breaking bushes or destroying a small wood-frame constructing.
“The avalanche was reportedly triggered after one of many snowmobilers was excessive marking,” mentioned RCMP Cpl. Dan Moskaluk in a information launch.
Excessive marking is a well-liked sledding exercise, the place the rider drives straight up a steep slope so far as doable earlier than turning and descending.
Avalanche Canada mentioned in a submit on its web site that the 200- to 400-metre extensive avalanche tore away the whole snowpack from the floor to the bottom layer and continued for greater than a kilometre down the mountainside earlier than working onto a small lake.
A 51-year-old Calgary man managed to inflate an airbag designed to maintain him on the floor of the slide however Avalanche Canada mentioned he was buried below greater than two meters of snow.
By the point he was discovered, rescuers couldn’t revive him and the discharge mentioned he was flown to Invermere and District Hospital the place he was pronounced useless.
The physique of his 24-year-old son, additionally from Calgary, was swept right into a lake and was recovered Monday by RCMP divers, police mentioned in a press release. The names of the boys have not been launched.
Police mentioned not one of the different seven snowmobilers had been damage.
A forecast from Avalanche Canada describes the snowpack over a lot of the Purcell area as “weak and sensitive” as a result of two grainy layers, one proper on the base and the opposite about 80 to 120 centimetres under the floor.
“People have and can proceed to have the ability to set off these layers in areas the place the snowpack is shallow,” says the report.
It estimates the chance of triggering a slide within the space the place the deadly avalanche occurred may enhance as a result of a warming pattern anticipated to final till Tuesday.
“Quite a few very giant avalanches have been reported day by day,” the report warns, including “that is the kind of weak snowpack that would stick round for the rest of the winter season.”