13 Apr 2018

April 13, 2018


    AVALANCHE ACTIVITY:

    Avalanche control produced Sz 1-1.5 soft slabs.

    Xc yesterday produced Sz 1-1.5.

    Pockets of slab yesterday morning.

    Cornice Debris.


    YESTERDAY:

    Snow line was at 800 meters Thursday morning.

    Unsettled in the am, convective cloud development.

    12:00 breaks over the valley,

    12:00 Hrs snowing at 2240 meters, -8 Deg C.

    13:30 hrs, unsettled weather.

    Breaks in the afternoon.

    Sun & Snow.

    18:00 Hrs, large cumulus clouds.


    Thursday afternoon.

    Big Picture Thursday.



Weather Observations for April 13, 2018  taken at 06:00 Hours.

2180 meters     -7, Winds were 35-50 KPH SE  --Whistler Peak
1835 meters     -6, Winds were 20-40 KPH ESE--Roundhouse
1660 meters     -4, 9 cm of new, 9 cm in 24 hrs  Base 317 cm --Pig Alley
  660 meters    +1, Valley Temp, Max Temp Yesterday was +7.5, 1.3 mm of precip recorded yest

   As of 07:00 Hrs this am we have overcast skies, variable visibility and it is snowing 1 cm/hr.


FORECAST:

A vigorous Pacific Front has moved onshore with light/moderate precipitation, strong gusty winds in a Southwesterly flow aloft. The freezing level will hopefully only go up to 1400 meters today, but the warm front might push it a bit higher. A trailing cold front should push through later today into Saturday morning. A upper trough will follow the cold front bringing mostly overcast skies for Saturday with periods of light snow and the FL hovering in the 1200 meter range. Sunday is looking unsettled, with an impulse of precipitation Sunday night.
Guesstimates: 20-30 cm by Saturday morning, 4-8 cm by Sunday morning, 5-10 cm by Monday morning, 4-6 cm by Tuesday morning.


    GOES IR image this am.



    Low sending a warm front, followed by a cold front.


   Warm front this am.


    Cold front tonight.


    Fronts along the coast.


    Upper trough Saturday am.


    Light snowfall Saturday.



    INFORMATION & OBSERVATIONS:

    Sending into the powder.

    Corncie tabs are fragile.

    Frosted icicles.

    Convective clouds bringing convective flurries.

    Decent turns for this time of the year.

    Great turns in the am.

    Awesome Conditions.

    Sa from skiing DOA.

    Loose dry sluffs on steep terrain.


Recent Avalanche Canada MIN Report:

Oboe Ridge



VIDEO FRIDAY:

Avalanche Problems Explained: CAIC

Avalanche Footage near Tinges: Buries Road

Different Perspective of above avalanche: Run for your life

How to use a transceiver: Xavier De Le Rue



ARTICLES:

An avalanche has killed three tourists in the Hunza Valley: Pakistan

USA has had a hard season with avalanche, snow immersion, and tree well deaths: Pique

Snow and avalanches stranded 300 people, had to be rescued: Kashmir

After a friends avalanche death, a lesson in Intuition: Illusions of Safety

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