Archived

Avalanche Forecast

Nov 25th, 2018–Nov 26th, 2018

Alpine

3: Considerable

The avalanche danger rating in the alpine will be considerable

Treeline

2: Moderate

The avalanche danger rating at treeline will be moderate

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Alpine

2: Moderate

The avalanche danger rating in the alpine will be moderate

Treeline

2: Moderate

The avalanche danger rating at treeline will be moderate

Below Treeline

2: Moderate

The avalanche danger rating below treeline will be moderate

Alpine

2: Moderate

The avalanche danger rating in the alpine will be moderate

Treeline

2: Moderate

The avalanche danger rating at treeline will be moderate

Below Treeline

1: Low

The avalanche danger rating below treeline will be low

Regions: South Coast Inland.

Avalanche danger will be increasing over the day, especially for travelers set on following the snow line up into the alpine.

Confidence

Moderate - Forecast snowfall amounts are uncertain

Weather Forecast

Sunday night: Scattered flurries bringing up to 5 cm of new snow in the north of the region. Rain showers in the south. Moderate to strong southwest winds.Monday: Moderate rain with possible accumulations of up to 15 cm of new snow above about 1800 metres, continuing overnight. Moderate to strong south winds. Alpine high temperatures around 0 with freezing levels of 2100-2200 metres.Tuesday: Continuing wet flurries bringing up to 10 cm of new snow above about 1600 metres. Rain at lower elevations. Moderate to strong south winds. Alpine high temperatures around 0 with freezing levels around 2000 metres.Wednesday: Mainly cloudy with scattered flurries bringing about 5 cm of new snow. Moderate southwest winds. Alpine high temperatures around -2 with freezing levels around 1500 metres.

Avalanche Summary

No recent avalanches observed.Please submit any observations you have to the Mountain Information Network here.

Snowpack Summary

Snow depths are around 50 to 80 cm at treeline and alpine elevations, although there may be deeper deposits in wind-loaded areas. Approximately 30 cm of recent snow sits above a layer of surface hoar (north aspects) or a crust (south aspects). All but the highest elevation and/or smoothest slopes have insufficient snow cover for avalanches to occur at this time.

Avalanche Problems

Storm Slabs

The coastal storm should still deliver enough new snow to the alpine to form touchy new storm slabs up high. Strong winds are likely to build deeper, more sensitive slabs in the lee of wind-exposed features.

Be careful around wind loaded pockets near ridge crests and roll-overs.Be aware of avalanche danger increasing as new snow accumulates.

Aspects: All aspects.

Elevations: Alpine.

Likelihood: Likely

Expected Size: 1 - 1.5

Loose Wet

Rainfall is expected to weaken surface snow and promote active loose wet avalanche conditions on Monday.

Use caution above cliffs where small avalanches may have severe consequences.Use extra caution around steeper slopes if the snow is moist or wet.

Aspects: All aspects.

Elevations: Treeline, Below Treeline.

Likelihood: Very Likely

Expected Size: 1 - 1.5