YESTERDAY:
Red sky in morning, sailors warning. Sunrise Thursday was 06:49 Hrs. -3 with a 30-80 KPH E wind.2240 meters -4, Winds were 100-150 KPH S--Horstman Hut
1860 meters -2, Winds were 30-60 KPH SE --Rendezvous
1570 meters -1, 32 cm in 12 Hrs, 32 cm in 24 Hrs, Base 206 cm--Catskinner
FORECAST:
Low will send several impulses today with periods of light to heavy precipitation in a Southerly flow aloft. The FL is around 1600-1200 meters and should slowly drop to around 800 meters by tonight. An upper level trough will bring periods of light precipitation for Saturday with a brief drying trend around midday. Light precip expected Saturday evening as another weaker front pushes through into Sunday. Monday at this time is looking overcast with some flurries. Tuesday will see some sunshine with ridging with a dry seasonal weather pattern next week. Guesstimates: 30-35 cm by Saturday am, 5-10 cm by Sunday am, 5-10 cm by Monday am, trace-2 cm by Tuesday am.
The FL spiked yesterday at around noon to 1800 meters but quickly dropped back down to around 1500-1000 meters for most of the storm cycle.



AVALANCHE ACTIVITY:
From Sea to Sky avalanche advisory:
Avalanche Summary
Natural and human-triggered avalanches are likely on Friday.
There continue to be reports of both natural and explosive-triggered cornice falls (see this MIN report near Rainbow Mountain).
Snowpack Summary
As much as 30-50 cm of snow could accumulate above 1400 m by the end day on Friday. Strong south winds will contribute to rapid slab formation, making natural avalanches likely. The combination of wind and snow has the potential to weaken cornices, which can act as triggers on slopes below.
In isolated areas with a shallower snowpack in the region, a layer of facets, spotty surface hoar, and/or crusts buried in mid-February may still be preserved. There have been no avalanches reported on this layer; however, large triggers, such as an avalanche in motion, cornice fall, or intense loading from snow and wind have the potential to this deeper layer in areas where it may still exist.
The mid and lower snowpack is well settled and strong in most areas.
INFORMATION & OBSERVATIONS:
It was a nice morning with little signs of a major storm.FROM SEA TO SKY MIN REPORTS:
Rainbow Mtn: March 3, 2021
Chief Pascal: March 4, 2021
VIDEOS:
Parks Canada Avalanche Control: March 3, 2021
Loose wet avalanches Y-Not Couloir: Utah
Powder Picker March 4, 2021: David Jones
ARTICLES:
Voluntary Pieps Beacon Recall issued in Europe, plans for U.S.: WildSnow
Tahoe skier survives avalanche by jumping off a 100 Ft cliff: California
Massive avalanche warning and new ice climber info: Gripped
Ski Patrols discuss avalanche safety through the spring season: Western USA
Avalanche control booms over Juneau & Douglas Island: Alaska
Submit your best avalanche photo for a pair of Goggles March 1-31, 2021. Sea to Sky Area.
Thanks to Volkl Canada for sponsoring.