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RegisterJan 11th, 2020–Jan 12th, 2020
South Coast.
Around 30 to 50 cm of snow are expected by the end of the day on Sunday. Snowfall amounts might vary dramatically throughout the region with higher amounts expected in the west. The avalanche danger will increase during the day with continuing snowfall.
SATURDAY NIGHT: Cloudy with snowfall, accumulation 15 to 25 cm, light to moderate southwest wind, treeline temperature -5 C, freezing level at 500 m.
SUNDAY: Mostly cloudy with snowfall, accumulation of 20 to 25 cm, light westerly wind, treeline temperature -7, freezing level at 800 m.
MONDAY: Mostly cloudy with isolated flurries, light southwest wind, treeline temperature -12 C, freezing level below valley bottom.
TUESDAY: Mostly cloudy, light to moderate westerly wind, treeline temperature -15 C, freezing level below valley bottom.
On Friday, the snow was reactive to skier traffic. Several small (size 1) skier triggered avalanches and a few natural avalanches were reported.
On Thursday, no new avalanches were reported.
On Wednesday, a few natural wet loose avalanches up to size 1.5 were observed.
Storm slabs were reactive to human traffic on Monday. It is likely that a natural avalanche cycle occurred Monday night as the snow switched to rain.
Another 30 to 50 cm of snow will fall by the end of the day on Sunday and add to the 40 cm of snow which fell over the past days. The snow will fall on a snow surface that was wind affected by moderate to strong southerly wind. Most precipitation of a previous storm on Tuesday fell as rain below about 1500 m.
There is uncertainty how well the new snow will bond with the existing snow surface. Assess the bond of the recent snow before committing to avalanche terrain and travel conservatively.