Sea To Sky

Date Issued: Tue, 26 Mar 2019 00:07

Valid Until: Tue, 26 Mar 2019 21:00

Forecaster: ldreier

We are back in winter for a day, at least in the alpine. Wind slabs at upper elevations are the primary concern.

Tue, 26 MarWed, 27 MarThu, 28 Mar
Alpine2 Moderate2 Moderate2 Moderate
Treeline2 Moderate2 Moderate2 Moderate
Below Treeline1 Low2 Moderate2 Moderate
Confidence: Moderate - Intensity of incoming weather systems is uncertain
Tue, 26 MarWed, 27 MarThu, 28 Mar
Alpine2 Moderate2 Moderate2 Moderate
Treeline2 Moderate2 Moderate2 Moderate
Below Treeline1 Low2 Moderate2 Moderate
Confidence: Moderate - Intensity of incoming weather systems is uncertain

Wind Slabs

Travel and Terrain Advice

  • Use caution in lee areas. Wind loading could create slabs.
  • Be cautious as you transition into wind affected terrain.

Forecast Details

Avalanche Summary

No avalanche activity was reported on Sunday.

In the far north of the region on Friday and Saturday loose wet avalanche activity to size 2 was reported on solar aspects. Sporadic natural slab avalanches were also reported in the alpine and treeline, but no activity was reported from north aspects. Very little activity was reported from areas closer to Whistler.

Snowpack Summary

The new snow might form wind slabs in the alpine and is overlying a variety of snow layers. On higher north aspects above 2000 m you may find some dry, faceted snow. Some of this has been redistributed by southwesterly and northerly winds which may have formed isolated old wind slabs. There are still a handful of melt/freeze crusts, surface hoar and facets in the upper snowpack, but all of these layers appear to have gone dormant for the time being. The snowpack at mid and upper elevations is expected to continue to gain strength as we enter a period of consecutive nights with below freezing temperatures.

Weather Forecast

MONDAY NIGHT: 10-20 cm overnight, moderate to strong Southerly winds, freezing level at 1200 m.

TUESDAY: Cloudy with light snow fall, accumulation up to 10 cm, moderate to strong southwest winds, alpine temperature -6 C, freezing level at 1300 m.

WEDNESDAY: Clear, moderate east winds, alpine temperature -4 C, freezing level at 1700 m.

THURSDAY: Mix of sun and clouds, light east winds, alpine temperatures of -4 C, freezing level at 1900 m.