Avalanche Forecast

Issued: Apr 12th, 2019 4:10PM

The alpine rating is considerable, the treeline rating is considerable, and the below treeline rating is moderate. Known problems include Storm Slabs.

jsmith, Avalanche Canada

South Coast.

A brief return to winter! 20-30 cm of new snow, strong winds, and low freezing levels are forecast to create fresh storm slabs reactive to human triggers by the end of day Saturday.

Summary

Confidence

Moderate - Forecast snowfall amounts are uncertain

Weather Forecast

FRIDAY NIGHT: Cloudy / Moderate, southwesterly winds / Alpine low -1 C / Freezing level 1000 m.SATURDAY: Snow; 20-30 cm. (rain below roughly 1000 m.) / Strong, southwesterly winds / Alpine high -1 C / Freezing level 1200 m.SUNDAY: Mostly cloudy / Light, southwesterly winds / Alpine high -1 C / Freezing level 1100 m.MONDAY: Mostly cloudy with flurries; 3-5 cm. / Light, southwesterly winds / Alpine high 2 C / Freezing level 1300 m.

Avalanche Summary

No new avalanches have been reported in the region on Thursday. However, avalanche activity is expected to increase on Saturday with the forecast snow and wind.

Snowpack Summary

10-15 mm. of precipitation on Wednesday fell as moist snow at treeline and rain below which sits on a melt freeze crust. Warm temperatures and wet precipitation are producing a moist, spring snowpack. The snowpack depth decreases rapidly below 1200 m.

Problems

Storm Slabs

20-30 cm of new snow, strong winds, and low freezing levels are forecast to create fresh storm slabs reactive to human triggers by the end of day Saturday.

Minimize overhead exposure during periods of heavy loading from new snow and wind.Pay attention to changing conditions with elevation/aspect.Use small slopes without consequence to test the bond of the new snow.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Apr 13th, 2019 2:00PM