Avalanche Forecast
Issued: Apr 12th, 2019 4:10PM
The alpine rating is Storm Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeA 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
Expected Size
Valid until: Apr 13th, 2019 2:00PM