22 Mar 2017

March 22, 2017


    Low angle stiff Na slab just outside the ski area boundary in Ziggy's Meadow.

    Likely occurred 36-48 hours ago.

    75 cm stiff slab chunk. No new avalanches observed yesterday, snowballing in the afternoon.


    Snowing in the morning. Tuesday morning March 21, 2017. Nice way to start spring.

    Tuesday morning

    1 centimetre in the morning.

    Tuesday morning.

    Some breaks at around 12:30 Hours.

    Looking North at the sucker hole.

    Looking South at the approaching warm air mass.

    Big Picture Tuesday Afternoon.

    Snowing at 16:30 hrs.

    Unsettled later in the afternoon.

Weather Observations for March 22, 2017: taken at 06:00 Hours.

2240 meters      -1, Winds were 40-60 KPH SE--Horstman Hut 
2180 meters      -3, Winds were 35-50 KPH SE--Whistler Peak
1860 meters      -2, Winds were 15-35 KPH SE--Rendevous
1835 meters      -1, Winds were 20-40 KPH SE--Roundhouse
1650 meters       0, 4 cm of new snow, 5 cm in 24 hrs, 309 cm Base, RH 92%  --Pig Alley
1550 meters       0, 3 cm of new snow, 4 cm in 24 hrs, 231 cm Base, RH 98 %  --Catskinner 
  660 meters     +1, Valley Temp, Max Temp Yesterday was +5.8, 2.3 mm of Precip recorded yest

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


A low pressure system off the coast will move through our zone today in a Southwesterly flow aloft. We should see light/moderate snowfall this morning intensifying later in the day to moderate/heavy snowfall through the night. The FL will start at around 1700 meters dropping to surface by this evening with strong winds associated with the passing of the low. Difficult to put an amount on the snowfall but with convective activity we could see some surprising amounts. Another frontal band for Thursday with light/moderate snowfall and the FL maxing out at around 1400 meters dropping to 1000 meters by Thursday night. A weaker system for Friday with light snow in the morning becoming moderate by the afternoon with the FL hovering in the 1200 meter zone. Unsettled weather is forecasted for Saturday into Sunday. Guesstimates: 15-35 cm by Thursday morning, 5-25 cm by Friday morning, 15-25 cm by Saturday morning.

    GOES IR image for this am.

   Wednesday morning, convective clouds could bring heavy snow.

    Fairly strong low moving through today.

      Precipitation amounts with convective activity will be difficult to nail.

                    Thursday into Friday.

    Looking like a weaker system for Friday.


    Moist in the valley later in the morning. Great snow up til this time in the am.

    Wind affect on some aspects in the alpine.

    Looks warm and moist.

    Be aware of extensive cornice debris in all the bowls.

    Under Regulator cornice.

    0 Deg in the afternoon at 2240 meters.

   By the end of the week there may be just a boom.


Tignes Carline Avalanche Video: Pistehors.com

Footage of an avalanche hitting Odda: Norway

Low Probability-High Consequences-Conditions update: SkiingGolden.com

The incredible power of an avalanche: Sunshine Village

Size 3.5+ avalanche in Washington STATE: Northwest Avalanche Center

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