Sea To Sky

Watch for changing conditions as you gain elevation and shift aspects.

Greatest concern is for higher elevations where rising temperatures or rain may affect recent, reactive storm snow.

• A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
• As the storm slab problem worsens, the easy solution is to choose more conservative terrain.

Moderate

• We are uncertain due to variable freezing levels.

Over the past 3 days, rider triggered slabs have been reported up to size 2, and explosives have produced larger avalanches.

Another round of avalanche activity is likely as rising temperatures and rain affect drier snow at higher elevations

By Monday afternoon up to 30 cm of new snow may have fallen over wind affected surfaces at upper elevations from recent southwest winds. Rising temperatures and rain will affect the recent snow to around 1800 m.

A persistent weak layer sits below, present as crust and facets at treeline and above, and a combination of crust and surface hoar in sheltered features and lower elevations.

The mid/lower snowpack is generally well settled and strong.

Cornices are reported to be large and looming. Be mindful of them overhead or when travelling on ridge tops.

Sunday Night
Cloudy. 5 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing level 1400 m.

Monday
Cloudy. 10 to 20 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing levels rise to 2000 m over the day.

Tuesday
Mostly cloudy. 4 to 5 mm of precipitation as snow or rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 2000 m.

Wednesday
Mix of sun and clouds. 1 to 3 mm of rain at treeline. 70 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2500 m.

More details can be found in the Mountain Weather Forecast.