29 Jan 2020

January 29, 2020

    YESTERDAY:

    Early Tuesday morning.

    First light.

    Some cloud to the South in the am.

       Pow on Cord.

    Another awesome morning.

    Snow was great in Lakeside.

    More cloud around noon, but still a great day.


    Tuesday January 28, 2020. 13:00 Hrs.


    Same time frame as above image.

    Big picture. Storm is a brewing!!

    Later in the afternoon.

    Near the end of the day.




Weather Observations for January 29, 2020 taken at 06:00 Hours.

2240 meters    -5, Winds were  85-115 KPH SE--Horstman Hut
2180 meters    -5, Winds were 75-100 KPH SE--Whistler Peak
1860 meters    -3, Winds were   25-55 KPH SE --Rendevous 
1835 meters    -3, Winds were   20-40 KPH SE--Round House
1650 meters    -1, 7 cm in 12 Hrs, 7 cm in 24 Hrs, Base 241 cm --Pig Alley
1560 meters .  -2, 2 cm in 12 Hrs, 2 cm in 24 Hrs, Base 168 cm--Catskinner
  660 meters   +2, Valley Temp, Max temp Yesterday was +4.4, 3.1 mm of precip yesterday.


    As of 07:00 Hrs we had obscured skies, limited visibility and snowing 2 cm per hour.. 


FORECAST:

A cold front has arrived in our zone in a Southwesterly flow aloft. We can expect periods of moderate precipitation into this afternoon with some breaks expected at around 15:00 Hrs this afternoon, with the upper level flow switching to Westerly. The freezing level will likely hit a max of 1400 meters today falling to 700 meters by tonight.  Dries out into Thursday afternoon, when a warm front will bring light precipitation into Friday. Wet, warm, and windy weather for Friday into Saturday. Drier and cooler by Saturday night into Sunday as a cold upper trough moves through. Should see some nicer weather Sunday with some upper level ridging. Guesstimates: 15-20 cm by Thursday am, 12-16 cm by Friday morning, 70-90 cm above 1700 meters by Saturday am.


    GOES IR image from this am.


     Cold front for today with the freezing level hovering in the 1400-1200 meter range.





    Fronts along the coast.

    Warm high still affecting our freezing level, frontal band Thursday afternoon.





    Warmer on Friday as an atmospheric river brings wet, warm, windy weather. 




    AVALANCHE ACTIVITY:

    Sz 2.5 out of the Poop Chutes Xh.

    Heli bombing in Lakeside.

    Mostly holes from Heli Bombing Tuesday morning.

    Only result from Heli Bombing, but it did go on the November Crust.



    A few Sz 1 soft slabs from Xt in the am.

    Avalanche control on Whistler produced Sz 1.5 Xc, Xe. Some Sz 2 Xc with cornice debris.




    INFORMATION & OBSERVATIONS:

    Wind sculpturing



    A piece of rime that broke off wrecking the cord!

    Skiing out of bounds with no equipment!!

   Hard not to have fun yesterday!!!

    Lines on Upper Disease ridge.

     Lower Disease ridge. Sa or Sc ? Sz 1.

    Nice turns on the cord Tuesday am.

    Lakeside traverse is not for everyone!!




AVALANCHE CANADA MIN REPORTS:

Disease Ridge: Jan 28, 2020


VIDEOS:

Whistler Weather with meteorologist : David Jones


ARTICLES:

Fernie SAR responds to a skier injured in avalanche: 1942 Chute

It Can't Happen Here: 12 Myths about Northeast Avalanches

Avalanche Airbags--Can save lives, but experts say in the end, Mother Nature in Charge: USA News

High risk of avalanches in the Alps: Switzerland

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