Maligne lake road and Icefields parkway is closed due to the rain/snow storm. Avalanche control will occur Wednesday and Thursday. Call 780-852-3311 or Alberta 511 for updates.
Summary
Weather Forecast
Tuesday evening into Wednesday is bringing heavy rain changing to snow with freezing level to valley bottom sometime overnight. Wednesday will be continued snow, 10-20cm or locally more amounts at the Icefields, and freezing level 1700m in the afternoon. Rain will continue at low elevations. A gradual cooling trend should occur into Thursday am.
Snowpack Summary
The top 20cm is moist or wet up to 2200m elevation with rain. As it changes to snow, expect a storm slab developing mainly treeline and above. It will rest on a previous temperature crust on many aspects. Alpine elevations, the snowpack has a solid mid-pack over a faceted base. Cornices are large and ominous. BTL the crust is deteriorating.
Avalanche Summary
It drizzled rain all day with building intensity towards 5pm. As a result, several size 2.5-3 wet slabs were noted late in the day, East aspects, 1900-2000m elevation, to ground, stopping mid-fan. Visibility was poor. Numerous small moist events size 1-2 were observed above 2300m.
Confidence
Timing, track, or intensity of incoming weather system is uncertain on Wednesday