10 Feb 2020

February 10, 2020

    YESTERDAY:

    Sunday morning, sunrise was at 07:34 Hrs.



    Groomers were nice.

    Patches of blue in the am.

    Nice snow off piste.

    Less cloud in the afternoon.

    Sunday February 9, 2020. 12:30 Hrs. -2.7 with a light East breeze.

    Sunday afternoon.

    Big picture Sunday.


Weather Observations for February 11, 2020 taken at 06:00 Hours.

2240 meters    -6, Winds were 25-35 KPH NNE--Horstman Hut
2180 meters    -6, Winds were 15-20 KPH N--Whistler Peak
1860 meters    -3, Winds were 15-25 KPH NNE --Rendezvous 
1835 meters    -4, Winds were   5-10 KPH NNE--Round House
1650 meters    -6, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base 253 cm --Pig Alley
1560 meters .  -5, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base 173 cm--Catskinner
  660 meters    -8, Valley Temp, Max temp Yesterday was +2.5, 0.0 mm of precip yesterday.

    As of 07:00 Hrs we have high scattered thin cloud and unlimited visibility.


FORECAST:

High pressure still sitting offshore will bring mostly sunny skies this morning with increasing cloud through the day in a Northerly flow aloft. The freeing level will rise to around 1200 meters with day time heating and drop back to surface tonight. A very weak front will push through on Tuesday with cloudy skies and a brief impulse of very light precipitation early Tuesday morning & afternoon. Unsettled Wednesday with a dry air mass and a mix of sun and cloud. Thursday will see a front arrive with periods of light precipitation. A series of frontal bands will push through into the weekend.
Guesstimates: no precipitation by Tuesday morning, trace-2 cm by Wednesday morning, 0 cm by Thursday morning, 8-12 cm by Friday morning.



    GOES IR image from this am.




















    AVALANCHE ACTIVITY:

    Avalanche mitigation on Whistler Sunday produced Sz 2-3 Xc. Cornice control work.

   Avalanche mitigation on Blackcomb yest produced some Sz 1 soft slabs Sc. Na Sz 1. Wet Sz 1.



    INFORMATION & OBSERVATIONS:

    High overcast Sunday morning.

    Busy day in Whistler Bowl.

    Big Air.

    Bummer about the blown ski.

    Peak to Valley has been groomed.

    Blackcomb backcountry was busy.

    Cowboy Ridge Sunday.

    That is a lot of rime.


AVALANCHE CANADA MIN REPORTS:

Brew Hut: Feb 8, 2020

Decker Glacier Sa: Feb 8, 2020

Iceberg Lake: Feb 9, 2020



VIDEOS:

Whistler weather with meteorologist:  David Jones

Wide Spread Natural Cycle-Montana: Avalanche Guys



ARTICLES:

Backcountry avalanche partially buries Okanagan Snowmobiler: Penticton

Apex Ski resort warns enthusiasts after backcoutry avalanches: Okanagan

Numerous avalanches reported across Montana, danger high in some areas: Missoula

Avalanche Education: Powder Cloud

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