Avalanche Forecast
Issued: Mar 30th, 2023 4:00PM
The alpine rating is Storm Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeAvalanche danger will increase throughout the day on Friday as new snow and wind will form unstable slabs at upper elevations.
Summary
Confidence
Moderate
Avalanche Summary
No recent avalanches have been reported on the west side of the island. On the east side of the island there have been reports of small wet loose avalanches on slopes facing the sun over the past few days. Storm and wind slabs will be the main concern as new snow accumulates.
Snowpack Summary
20 to 40 cm of new snow will fall on Friday, with deeper deposits in lee terrain. In most areas this snow is falling on moist or crusty snow layers, except shaded terrain above roughly 1600 m where the snow has remained dry over the past week. The middle and lower snowpack are strong and bonded.
Weather Summary
Thursday night
Cloudy, scattered flurries starting after midnight with 5 to 10 cm of snow, 40 to 50 km/h south wind, treeline temperatures around -4 °C with freezing level dropping to 400 m.
Friday
Flurries increasing in intensity in the afternoon, 20 to 40 cm of snow, 60 to 80 km/h south wind, treeline temperatures around -2 °C with freezing level around 400 m.
SaturdayScattered flurries with 5 to 10 cm of snow, 30 km/h southwest wind, treeline temperatures around -2 °C with freezing level around 500 m.
SundayScattered flurries with 5 cm of snow, light wind, treeline temperatures around -1 °C with freezing level around 600 m.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Watch for avalanche hazard to increase throughout the day.
- Minimize exposure during periods of heavy loading from new snow and wind.
- Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.
Problems
Storm Slabs
New slabs will rapidly form on Friday. Pay attention to snowfall rates and to where the wind is depositing snow.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Mar 31st, 2023 4:00PM