12 Feb 2020

February 12, 2020


    Mostly cloudy early Tuesday morning.

    Some sunny periods in the morning.

    Multiple cloud layers in the afternoon.

    Mid mountain groomers were fun.

    Tuesday February 11, 2020. 12:00 Hrs. -3.8 Deg C with a 15-30 KPH South wind.

    Tuesday afternoon.

    Big picture Tuesday afternoon.

    Some decent sized holes in the afternoon.

    Near the end of the ski day with thick valley clouds.

Weather Observations for February 12, 2020 taken at 06:00 Hours.

2240 meters    -7, Winds were 15-20 KPH S--Horstman Hut
2180 meters    -6, Winds were 15-20 KPH SSW--Whistler Peak
1860 meters    -5, Winds were   5-10 KPH NNE --Rendezvous 
1835 meters    -5, Winds were   5-10 KPH E--Round House
1650 meters    -7, 0 cm in 12 Hrs,  trace in 24 Hrs, Base 243 cm --Pig Alley
1560 meters .  -2, 0 cm in 12 Hrs, trace  in 24 Hrs, Base 169 cm--Catskinner
  660 meters    -2, Valley Temp, Max temp Yesterday was +3.4, 0.0 mm of precip yesterday.

    As of 07:00 Hrs this am we have high scattered cloud and unlimited visibility.


Weak high pressure for today with a mix of sun and cloud in a North Westerly flow aloft. Will see more cloud later in the day as a broad upper trough pushes down the coast.  The freezing level will likely rise to 1000 meters, dropping back to surface tonight. Cold front on Thursday will bring periods of light precipitation in a Westerly zonal flow. Models are a bit different for precipitation amounts over the next three days but going with the higher end of the scale. Snow expected Friday and Saturday with a drying trend possible--Saturday/Sunday.  0 cm by Thursday morning, 8-12 cm by Friday morning, 5-10 cm by Saturday morning.

    GOES IR image from this am.

     Ridge of high pressure will bring unsettled weather for today. Some cloud spilling in from the low.

    Fronts along the coast.

    Low pushing in with a cold front.

     Low sends more precipitation with cooler temps.


    An avalanche has killed a snowmobiler in Alaska. Article Below.                                       Net Pic

    6-8 feet of debris on Hwy 6 near Arapahoe Basin. Article below.                                        Net Pic

    Decker cornice accidental from Monday. 4 people on cornice. No involvement, Sz 2-2.5 debris.

    No new avalanche activity on Whistler yesterday. Cornice debris in many bowls.

    Avalanche mitigation on Blackcomb yest, minimal cornice work. Be careful of cornice debris.


    Some elevations had a visibility issue yesterday.

    Top 200 meters was challenging with the cloud lingering on the peaks.

    Cornice feature on Low Test.

    Awesome light later in the afternoon.

    Nice patch of blue Tuesday afternoon.

    Dry day at the catskinner weather plot, with a base of 170 cm.

    Lots of cloud around on Tuesday.

    Recent Snow Profile.


All is quiet on the Western Front.


Whistler weather with meteorologist: David Jones

Ski Cutting in the Backcountry: Powder Cloud


Man on snowmobile dies in avalanche near Cooper Landing: Alaska

Road reopens after three avalanches: Iceland

Alpine Ski Resorts ponder future without snow: Europe

Avalanche covers highway keeping Arapahoe Basin Closed: Colorado

Avalanche Safety for sledders: Ridevalemont.com

Interview with avalanche forecaster Nikki Champion: Powder People

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