14 Dec 2017

December 14, 2017


    Nothing to report locally, big avalanche cycle in parts of Europe.

    An avalanche in Switzerland has claimed an off piste skier. Story in article section.    Net Pic

    An avalanche has killed a German skier in Austria. Story below.


    More blue in the morning.

    Bands of cloud to the South.

    High scattered cirrus cloud in the afternoon.

    Grey just before sunset.

    Wednesday morning.

Weather Observations for December 14, 2017 taken at 06:00 Hours.

2180 meters    +3, Winds were 5-15 KPH SSW--Whistler Peak
1835 meters    +5, Winds were 5-10 KPH ESE--Roundhouse
1660 meters    +2, 0 cm of new, 0 cm in 24 hrs  Base 136 cm --Pig Alley
  660 meters     -2, Valley Temp, Max Temp Yesterday was +4.7, 0.0 mm of precip recorded yest


The strong ridge of high pressure will begin to flatten today with an increase in cloud through the day. The upper flow will begin to shift to Westerly and the FL is around 3500 meters. A weak cold front will move onshore with some very light precipitation and the FL will drop to near surface by Friday night. Possible break Friday night into Saturday morning before a warm front moves onshore with the FL rising to 1000 meters on Saturday, then up to 1500 meters on Sunday. Another break before another cold front pushes through on Monday night into Tuesday.
Guesstimates: trace-3 cm by Friday morning, trace-1 cm by Saturday morning, 3-5 cm by Sunday morning .

    GOES IR image from this am.

    Ridge flattens today with s slow drop in the FL.

     Westerly flow cooler temps.

     High still pushing back on Saturday.


    Crust is going to be a problem!!

    Warmer as the day progressed.

    Avalanche course in Lakeside.

    High overcast for most of the day to the West.


Avalanche kills off piste skier near Ovronnaz in Valais: Switzerland

Avalanche kills German skier near Serfaus-Ladis in Tirol: Austria

Blizzards raise risk of avalanches in Scottish Mountains: SAIS

Hope fades for soldiers missing in avalanches: Kashmir

Future weak layer in the Bridgar Range: Montana

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