10 Mar 2020

March 10, 2020

    YESTERDAY:

    Another awesome morning in the Sea to Sky Corridor.

    Sharing the terrain that is supposedly restricted to non motorized traffic with no enforcement.

    Tracks in the backcountry.

    Lots of sled skiers out on the ice cap.

    Monday March 9, 2020. 13:00 Hrs.  -6 Deg C with a 5-10 KPH SW breeze.

    Image from Monday around noon.

    Big picture Monday afternoon.

    Pre frontal clouds.

    More clouds in the afternoon.

    Secret Basin.

    Nice colours.


Weather Observations for March 10, 2020 taken at 06:00 Hours.

2240 meters    -11, Winds were 65-80 KPH S--Horstman Hut
2180 meters    -10, Winds were 55-75 KPH S--Whistler Peak
1860 meters      -8, Winds were 25-50 KPH SE --Rendezvous 
1835 meters      -8, Winds were 25-40 KPH SE--Round House
1650 meters      -6, 3 cm in 12 Hrs, 3 cm in 24 Hrs, Base 264 cm --Pig Alley
1560 meters      -8, 2 cm in 12 Hrs, 2 cm in 24 Hrs, Base 182 cm--Catskinner
  660 meters      -2, Valley Temp, Max temp Yesterday was +4.4, 0.0 mm of precip yesterday.


    As of 07:00 hrs this am we have overcast skies, limited visibility and snowing lightly.


FORECAST:

A weak warm front for today with periods of light precipitation, with a trailing cold front in a West to northwest flow aloft. The freezing level will rise to around 1000 meters and hover around there until it drops back down to surface on Wednesday night. Weak ridging on Wednesday will bring unsettled conditions with a mix of sun and cloud and a chance of some isolated flurries. Cool upper level trough for Thursday but the air mass is fairly dry so not much snow on the way. Similar scenario for Friday with cloudy skies but not much precipitation. Weak trough continues into Saturday with a ridge beginning to build for Sunday. Looks like it will strengthen for next week with many days of sunny weather. Guesstimates: 12-18 cm by Wednesday morning, trace-2 cm by Thursday morning, 1-3 cm by Friday morning.

    GOES IR image from this am.


    Warm front with trailing cold front brings light precipitation, strong winds for today.





    Fronts along the coast.

      Weak ridging from the high for Wednesday.





     Weak upper level trough for Thursday.




    AVALANCHE ACTIVITY:

    Numerous Sz 1-2 behind Tricouni yesterday.                                                 Kelvin Vail Image

     Recent sz 1-2 Na.

    Recent activity.

    Wet loose point releases.

    Wet loose on solar aspects.

    Avalanche mitigation yest on WB, cornice control. Some Sz 2-2.5 Xc. Just chunks for some shots.


    INFORMATION & OBSERVATIONS:

    Mount Cayley No high marking on that face!

    Cornices are huge and some are fragile.

    Terrain park looks awesome from above.

    Conservancy in the foreground.

    Rainbow.

    Upper Disease Ridge.



AVALANCHE CANADA MIN REPORTS:

Exidor: March 8, 2020

Steep Creek: March 8, 2020

Cayoosh: March 9, 2020

Decker: March 9, 2020



VIDEOS:

Whistler weather with meteorologist: David Jones



ARTICLES:

Teen in hospital after being buried in Hatcher Pass Avalanche: Alaska

NASA hard at work in Colorado on new snow sensing satellite: Silverton

Is it safe to go on my ski holiday during the coronavirus outbreak: The Telegraph

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