YESTERDAY:
Some High cirrus cloud yesterday morning.
Blue bird for the most part in the morning.
Looking South later in the morning..
Thin cloud cover.
Nicer in the upper Ryan River zone.
Sastrugi was on many aspects and elevations.
Broken cloud to the Northwest.
WB under the cloud later in the afternoon.
Weather Observations for February 11, 2019 taken at 06:00 Hours.
2240 meters -18, Winds were 15-20 KPH SE--Horstman Hut
2180 meters -18, Winds were 10-15 KPH S--Whistler Peak
1860 meters -20, Winds were 5-10 KPH SE--Rendevous
1835 meters -20, Winds were 10-15 KPH ENE--Round House
1650 meters -21, trace of new, trace in 24 hrs, Base 246 cm--Pig Alley
1565 meters -20, trace of new, trace in 24 hrs, Base 179 cm--Catskinner
660 meters -17, Valley Temp, Max temp Yesterday was -10.6, 0.0 mm of precip recorded yest
As of 07:00 hrs we have clear skies and unlimited visibility.
FORECAST:
Clear skies and cold temperatures for this morning. The low and associated warm front to the Southwest will push into the area later today nudging the Arctic high with overcast skies in a Westerly flow aloft. The low will continue to push in for Tuesday. The brunt of the precipitation will remain South of here as the Arctic high remains strong enough to allow only some of the precipitation into our zone. Wednesday the Arctic High will strengthen with cold sunny skies expected. Another weak front will arrive for Thursday into Friday but with minimal precipitation and moderating temperatures. Guesstimates: 4-6 cm by Tuesday morning, 2-4 cm by Wednesday morning. Difficult to predict with the High and Low battling it out over our zone.
GOES IR image from this am.
Low to the Southwest, Arctic High--Clouds with flurries for later in the day.
Fronts along the coast.
Low will bring more cloud and flurries for Tuesday.
Unsettled Thursday with warmer temps.
AVALANCHE ACTIVITY:
An avalanche has killed a snowmobiler near Valemont, B.C. Article below. Net Pic
Report of a few Sz 1-2's Sc and Sa in the backcountry. 10-20 cm + windslab.
Sz 2 SA Tszil Glacier Saturday. MIN report below. Rory Chase Court Pic
Tszil Glacier Sunday Feb 10, 2019 Rory Chase Court
Avalanche control on WB yesterday produced Sz 2.5 Cornice control Xh. Xe testing produced 0.
Recent slide on Rainbow. Friday ? Dean Perwz Pic
Winter snow pack layers.
Yes, there is always some good turns to be had some where.
Some South aspects were skiing/riding well.
Alien snow sculpture.
Thin breakable crust on some aspects.
Considering the sustained high winds from Saturday there is some good snow out there.
From Avalanche Canada MIN Reports:
Tszil Wind Slab Avalanche: Feb 9, 2019
Oboe: Feb 10, 2019
ARTICLES:
An avalanhe has killed a snowmobiler in Eastern B.C.: Valemount
Another snowmobiler has died in an avalanche near Coalville: Utah
Snowmobilers trapped in avalanche survives"close call" near Kamas: Utah
What snow scientists say about surviving snow slides: Pique
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