23 Feb 2020

February 23, 2020

    YESTERDAY:

    Early Saturday morning.

    Flurries early in the am.

    Snow to the valley.

    Ripping it up.

    Nice turns to be had Saturday.

    Satellite image from Saturday afternoon.

    Big picture in the afternoon.

    Convective cloud development.

    Cloudier in the afternoon. Next front approaching.

    Later in the afternoon.


Weather Observations for February 23, 2020 taken at 06:00 Hours.

2240 meters    -9, Winds were 65-95 KPH SE--Horstman Hut
2180 meters    -9, Winds were 50-80 KPH ESE--Whistler Peak
1860 meters    -7, Winds were 15-30 KPH SE --Rendezvous 
1835 meters    -7, Winds were 30-60 KPH SE--Round House
1650 meters    -5, 9 cm in 12 Hrs, 9 cm in 24 Hrs, Base 253 cm --Pig Alley
1560 meters .  -6, 8 cm in 12 Hrs, 9 cm in 24 Hrs, Base 176 cm--Catskinner
  660 meters    -1, Valley Temp, Max temp Yesterday was +4.8, 6.4 mm of precip yesterday.


    As of 07:00 Hrs we have overcast skies, limited visibility and it is snowing 2 cm per hour.


FORECAST:

A warm front followed by a cold front in a West--South Westerly flow aloft will bring periods of light /moderate snow with the freezing level rising to 1000 meters dropping back to surface tonight. The upper flow will switch to North Westerly tonight as the broad trough weakens bringing mostly cloudy skies for Monday with the chance of some sunny breaks in the afternoon, with some weak short lived ridging. A weak front will bring periods of light precipitation for Tuesday. Unsettled for a few days, with some intermittent light precipitation. Guesstimates: 8-16 cm by Monday morning, trace-1 cm by Tuesday morning, 2-4 cm by Wednesday morning.


    GOES IR image from this am.


    Low and associated warm > cold front for today with light snow.





    Fronts along the coast.

    Weak ridging for Monday with unsettled weather.





    Weak front for Tuesday.


    AVALANCHE ACTIVITY:

    Avalanche control on Whistler yesterday produced Sz 1-1.5 Xe, Xc,  Sc.

    Sz 1 Sa. Upper Shale Slope.

    Avalanche control on Blackcomb yesterday produced some Sz 1 soft slabs.

    Snow balling in the afternoon.



    INFORMATION & OBSERVATIONS:

    Avalanche Awareness Days on Blackcomb. Come by today for contests and information.

    The Peak to Valley race was challenging with the new snow.

    Layer of fog below Highway 86.

    Nice refresh for the backcountry skiers and riders.

     Some turns on Cowbor Ridge.

    Unsettled but another awesome day.


AVALANCHE CANADA MIN REPORTS:

Van Horlick: Feb 19, 2020

Phalanx & Spearhead: Feb 22, 2020


VIDEOS:




ARTICLES:

Three avalanches fall outside Flateyri: Iceland

No trace of missing student as recovery operation enters 8th day:  Gurez Avalanche

More skiers going to the hospital: Kelona

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