19 May 2017

May 19, 2017


    Glide cracks on Head Wall.

    Old snowballing, the alpine on Blackcomb did close early Thursday with day time heating.

    Several loose wet Sz 2 in Lakeside Bowl on Thursday.


    Early Thursday morning May 18, 2017.

    07:30 Hrs Thursday morning. High and mid stratus layers.

    Image taken from same time line as above satellite image.

   By 09:00 hrs the valley layer began to lift.

    Mostly cloudy in the early afternoon.

    Thursday afternoon at around 17:30 Hrs.

    Less cloud later in the day.

    Big picture Thursday Afternoon.

    Thursday evening.

   Just before sunset.

Weather Observations for May 19, 2017 taken at 06:00 Hours.

2240 meters      -1, Winds were 0-5 KPH S     --Horstman Hut 
1860 meters       0, Winds were 0-5 KPH SSW--Rendevous
1550 meters     +2, 0 cm of new snow, 0 cm in 24 hrs, 210 cm Base, RH 95%  --Catskinner 
  660 meters     +2, Valley Temp, Max Temp Yesterday was +17.1, 0.0 mm of Precip recorded yest

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

    Satellite image from 06:45 Hrs this am. On the edge of the trough!!


A weak upper trof will bring unsettled weather to the area today in a Northwesterly Flow aloft. We should see an increase in cloud with the slight chance of some isolated intermittent showers this afternoon as the low pressure to the North has some push back to the dirty ridge. The Fl will reach 2500+ meters today.  The ridge will strengthen again on Saturday for warm sunny conditions. Get out the sun screen, warm temperatures and a FL surpassing 4500 meters will be with us mid week and the trend is looking good into Friday. A blocking pattern could persist into next weekend, with some cloud development during the days. More on that later next week.
Guesstimates: trace-2 mm by Saturday but unlikely.

    GOES IR image from this am.

    Weak upper trough will bring cloud to the area this morning.

    Low to the North will send some cloud our way today.

    High strengthens Saturday and blocks the lows until at least Thursday of next week.

    Summer like weather for early next week.

    Looks like an awesome day for Gaper Day.

    High maintains its strength next week.

    Will have to wait and see how the low reacts from Thursday into Friday.


    T-Bar maintenance before WMSC gets too train!!

    Blue in the Franz's reservoir.

    There were some breaks early in the afternoon, quick warming in the snow pack.


Would you ride this trail: Peru

Snow Blower & a Skier: Facebook

Quadruple Backflip: Verbier

No room for error: Dropping In


Avalanches will occur in the mountains this May long Weekend: Avalanche Canada

Social Media & Decision Making in Avalanche Terrain: Jerry Isaak

Avalanche Educators weigh pros & Cons of Social media on Safety: Calgary Herald

May 2017 ENSO Update: NOAA

Ski Touring in Lygen Fjord: Norway

Parks Canada Avalanche Bulletin: May 2017

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