26 Apr 2017

April 26, 2017


    Cornice debris in most of the bowls.

    Avalanche control yesterday-cornice blast adding more debris to Blackcomb Bowl.


    First ride up Tuesday April 25, 2017.

    Eventually broke through to the sun.

    Awesome morning above 1500 meters.

    Some spindrift against a blue sky.

    Clouds eventually moved back into the area.

    Tuesday Morning

    Big picture Tuesday Afternoon.

    Mostly cloudy in the afternoon, with challenging visibility at times.

Weather Observations for April 26, 2017 taken at 06:00 Hours.

2240 meters      -4, Winds were 30-40 KPH S  --Horstman Hut 
1860 meters      -2, Winds were 20-25 KPH SE--Rendevous
1550 meters      -1, 3 cm of new snow, 3 cm in 24 hrs, 255 cm Base, RH 96%  --Catskinner 
  660 meters     +3, Valley Temp, Max Temp Yesterday was +11.7, 0.3 mm of Precip recorded yest

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


An upper trough will move through the South Coast today with overcast showery weather in a Northwesterly flow aloft. The FL will rise to 1700 meters today and drop back down again tonight to 1200 meters. The weakening trough will continue to push through Thursday with mostly overcast skies and some showers with the  FL peaking at 1600 meters. A weak ridge builds Thursday night into Friday with unsettled weather into Saturday morning. Another frontal wave is likely to move onshore for Saturday afternoon into Sunday.
Guesstimates: 5-10 cm by Thursday morning, 3-6 cm by Friday morning, trace to 1 cm by Saturday morning, 5-10 cm by Sunday morning.

    GOES IR image from this am.

    Upper trough for today with overcast skies and showers.

    We may see some breaks with the high being so close.

    Overcast Thursday with some breaks in the mix.

    Unsettled for Friday, as a weak ridge builds.

    Early Saturday looks nice with another frontal band for the afternoon.

    Overcast with showers for Sunday.

    Overcast for Monday.

    Possible high pressure for Tuesday.


    Birthday Girls.

    Visibility in the lower mountain was good at times.

    Nice shadows Tuesday morning.

    Plume of moisture 2200 km wide heading just South of Southern BC.

      Will certainly be bringing water to the US West Coast.

    Cool clouds in the morning.


Public Prosecution Services takes over case of Teens killed by Deadly Avalanche: Romania

Spring Forecasting-A Guide: Avalanche Canada

2017 Spring Avalanche Statement: Northwest Avalanche Center

Another river of rain to soak the Pacific Northwest in record setting wet year: Washington State

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