4 Feb 2020

February 4, 2020


    Great weather on Monday.

    A bit of high cloud.

    Great stability and deep dry pow.

    It was all about the powder on Monday.

    Awesome snow.

    Monday February 3, 2020. 12:00 Hrs. -9.4 with a 5-10 KPH North breeze.

    Monday's afternoon image.

    Big picture Monday afternoon.

    One of those days.

    Dry and light.

    Fun had by all!!!


Weather Observations for February 5, 2020 taken at 06:00 Hours.

2240 meters     -9, Winds were 55-75 KPH S--Horstman Hut
2180 meters   -10, Winds were 45-60 KPH S--Whistler Peak
1860 meters     -7, Winds were 20-35 KPH SE --Rendezvous 
1835 meters     -7, Winds were 20-40 KPH SE--Round House
1650 meters     -9, 1 cm in 12 Hrs, 1 cm in 24 Hrs, Base 246 cm --Pig Alley
1560 meters   -10, trace in 12 Hrs, trace in 24 Hrs, Base 165 cm--Catskinner
  660 meters     -6, Valley Temp, Max temp Yesterday was -0.7, 0.3 mm of precip yesterday.


A warm front is pushing onshore in a North/Northwest flow aloft. The freezing level will hover around surface. We can expect periods of light precipitation into Thursday as the weakening front stalls over our zone. Wednesday looks mostly cloudy, with just some showers. The FL could go as high as 1700 meters on Wednesday, dropping back down to 700 meters by Thursday night/Friday morning. Seems like the precipitation is on a Southward migration leaving us in a dry mild pattern.
Guesstimates: 8-12 cm by Wednesday morning, 2-4 cm by Thursday morning, 1-3 cm by Friday morning.

    GOES IR image from this am.

    Weak warm front for today. FL looks ok !?

    Fronts along the coast.

     More of the same for Wednesday, slow moving front. Warmer, FL on the rise.

          Thursday, On the upper edge of a weak atmospheric river affecting Washington State.


    A man is missing after an avalanche in Northeastern B.C. Article below.                         R.B Photo

    No avalanche control on Whistler/Blackcomb yesterday. Loose dry up to Sz 1 observed.

    Old debris from Sz 3 natural avalanche out of Emerald bowl.

    Evidence of a large natural cycle on Friday.

    Numerous wet slides.

    Sz 2 to Sz 3's

    Glide Crack.

    Dry loose in Blackcomb Glacier.

    Dry loose on steep solar aspects.


    Cornices are very large.

    Wind sculptured cornice.

    Big rabbit hole.

    There were lots of sledders out on Monday.

    Dry low density snow.

 Blackcomb Mountain. Scattered cloud in the afternoon.


Marriott Basin: Feb 2, 2020

Lazy Boy: Feb 2, 2020

Marriott Basin/Cayoosh: Feb 3, 2020

Disease Shoulder: Feb 2, 2020

Gargoyles: Feb 2, 2020

Round Mountain: Feb 2, 2020


Whistler Weather with meteorologist : David Jones


One man missing after an avalanche in Northeastern B.C.: Chetwynd

Mayor warns after-hours ski tourers to keep out: France

Rain + warmth weakening snowpack causing naturally triggered avalanches: Tyrol

The science of Avalanches: DocFilm

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