AVALANCHE ACTIVITY:
An avalanche in Arctic Norway takes house off its foundation: story in article section. Net Pic
Sz 2.5 Nc (natural cornice drop) Northwest of Whistler yesterday.
Locally some Sz 1 soft slabs on steep N aspects, numerous Sz 1 loose moist on solar aspects.
YESTERDAY:
Tuesday February 21, 2017.
Nice morning with great light.
High thin cloud later in the morning.
Tuesday morning-Front to the South is very close.
Thicker dark clouds later in the day.
Some convection.
Big picture Tuesday afternoon--Looking unsettled long term.
On sweep.
Sunset was officially at 17:40 Hours.
Weather Observations for February 22, 2017: taken at 06:00 Hours.
2240 meters -13, Winds were 5-15 KPH W --Horstman Hut
2180 meters -11, Winds were 10-15 KPH W --Whistler Peak
1860 meters -13, Winds were 5-10 KPH SE--Rendevous
1835 meters -12, Winds were 5-10 KPH S--Roundhouse
1650 meters -12, 0 cm of new snow, 0 cm in 24 hrs, 250 cm Base, RH 88% --Pig Alley
1550 meters -10, 0 cm of new snow, 0 cm in 24 hrs, 184 cm Base, RH 82% --Catskinner
660 meters -6, Valley Temp, Max Temp Yesterday was +5.4, 0.0 mm of Precip recorded yest
As of 07:00 hrs this am we have scattered cloud and unlimited visibility.
FORECAST:
An upper trough will continue to bring unsettled weather in a Westerly flow for today. Expect more sunshine later today as some of the cloud dissipates. The FL will remain below surface. Thursday will also be a mostly sunny day with the upper flow switching to Northwest. Unsettled cool weather will be with us past the weekend into early next week. Guesstimates: trace-2 cm on Thursday morning, trace-2 cm on Friday morning.
A few clouds around this am.
Unsettled today with mostly sunny skies.
Unsettled Thursday with clouds in the evening.
Unsettled Saturday into Sunday.
OBSERVATIONS & INFORMATION:
Blaise Sack
February 21 at 8:05pm
Trip report from Sea to Sky Gondola/ Sky Pilot. This was the day there was the avalanche. Think I captured the spot at around 3:44 of the vid. https://www.youtube.com/watch?v=Nzi8DhTv6hw
Ski School Tuesday morning.
Cornice debris in the bowls.
Moisture laden clouds at days end.
ARTICLES:
An avalanche in Norway displaced a house off its foundation: Longyearbyen
Avalanche buries mountain highway between Reno, Lake Tahoe: I 90
Climate change research predicts 70% less snow in Alpine ski resorts by 2099: The Alps
Avalanche Risk High in Northern Norway: Svalbard