7 Apr 2018

April 7, 2018


    AVALANCHE ACTIVITY:

    Sz 3 Sc NE asp 2500 meters Rhodadendron Peak Sled Skiing stepped down into older layer.

    Another image. Stepped down to 2-3 meters. Avalanche occurred on April 4, 2018.

    Sc stepped down lower on the slope. 50-200 cm at the upper Fx line.

    Click Mount Baker to read about this avalanche.                                          Grant Gunderson Image

    Skier saved after 4 M burial at Sentinel Pass, near Lake Louise. Article below.  Tim Banfield Pic

    An avalanche has seriously injured a woman in Aosta, Italy. Information below.           Net Pic   

    Locally, wet loose point releases, Sz 2 Na wet loose mentioned below.

    Sz 2 Na out of Bony Basin, flowing into lower Blackcomb Glacier. wet loose.


    YESTERDAY:

    Unsettled early Friday morning.

    Clouds thickened early in the am.

    There were some nice looking sucker holes.

    Wedge in the afternoon.

    Just before closing.

    Cleared just before sunset.

    Alpin glow.

    Friday afternoon.

    Big picture on Friday.

Weather Observations for April 7, 2018  taken at 06:00 Hours.

2180 meters     -1, Winds were 60-70 KPH SE  --Whistler Peak
1835 meters    +1, Winds were 30-40 KPH ESE--Roundhouse
1660 meters      0, 1 cm of new, 1 cm in 24 hrs  Base 298 cm --Pig Alley
  660 meters    +5, Valley Temp, Max Temp Yesterday was +9.7, 1.1 mm of precip recorded yest

   As of 07:00 Hrs this am we have obscured skies, limited visibility, and it is snowing 2 cm per hr..



FORECAST:

The deep low will send a warm front at us this am in a Southerly flow aloft. A trailing cold front will bring cooler temperatures by later today with some strong alpine winds as the front passes.  The FL starts at around 1900 meters, and slowly drops to 1200 meters by Saturday night. Sunday at this time is looking mostly overcast with some breaks mid day, the FL will rise to 2000 meters mid day and drop back down to 1600 meters by Sunday night. A series of weak frontal bands will bring overcast skies and light/moderate precipitation Monday through Thursday. After Monday the FL should be a bit better, hovering in the 1500 meter range.
Guesstimates:  15-25 cm above 1800 meters by Sunday morning, 2-4 cm above 1800 meters by Monday morning, 2-4 cm above 1800 meters by Tuesday morning.

    GOES IR image this am.


    Deep low will send bands of moderate precipitation our way.

    Warm front with trailing cold front.

    Precipitation eases later in the day.


    Fronts along the coast.

    Mostly cloudy with some breaks in the afternoon.

    Cloudy Sunday evening with some flurries above 1200 meters..

     INFORMATION & OBSERVATIONS:

    Nice goggles!!

    Construction of the new gondola begins.

    Sz 2 wet loose Na Friday afternoon out of Bony Basin on Phalanax Ridge.

    Nester's weather plot, snow is melting. High of +9.7 on Friday.

    Nice breaks later in the afternoon.

    Some wet loose activity on Wedge as soon as the sun came out.

    Recent avalanche control Xh from Tignes, France.

    Xh from Tignes, France. Interesting sympathetic release below avalanche flow.

    21:45 Hrs Friday night. -2 at 2240 meters, +1 at 1860 meters, +1 at 1550 meters, +5 at 660 meters.

Recent Avalanche Canada MIN report:

Marriott Basin


From South Coast Touring:

Andrew Councell
April 6 at 10:41pm
 
We toured up to the summit of Cayoosh a couple days ago. Lots of sz. 1 activity on the final head wall and surmounting the mini cornice was a bit tricky. In the end it wasn’t worth it as the summit ridge is much rockier and more barren than in years past. It was unskiable.


ARTICLES:

British women fighting for her life after being swept away by an avalanche: Aosta, Italy

Skier saved after 4 meter burial at Sentinal Pass, near Lake Louise: Gripped

British Snowboarder suffocates after falling head-first into snow: Meribel, France

MSU researchers seek answers to what drives risk taking in avalanche terrain: Montana

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