17 Jan 2020

January 17, 2020

    YESTERDAY:

    Awesome conditions yesterday right to the valley.

    Lower mountain was a delight.

    Deep at tree line.

    Some breaks in the am.

    Thursday January 16, 2020. 12:00 Hrs. -9.1 Deg C with a 20-50 KPH wind out of the SSW.

    GOES IR image just around noon yesterday.

    Big picture Thursday afternoon.

    Unsettled by the afternoon with great light.

    Just before sunset.


Weather Observations for January 17, 2020 taken at 06:00 Hours.

2240 meters    -15, Winds were 40-50 KPH ESE--Horstman Hut
2180 meters    -13, Winds were 45-65 KPH S--Whistler Peak
1860 meters    -13, Winds were 15-35 KPH S --Rendevous 
1835 meters    -12, Winds were 15-30 KPH S--Round House
1650 meters    -11,   1 cm in 12 Hrs, 14 cm in 24 Hrs, Base 212 cm --Pig Alley
1560 meters .  -12, Trace in 12 Hrs,   9 cm in 24 Hrs, Base 143 cm--Catskinner
  660 meters    -17, Valley Temp, Max temp Yesterday was -13.7, 9.2 mm of precip yesterday.

   As of 07:00 Hrs this am we have broken cloud and unlimited visibility.


FORECAST:

A weakening upper trough will bring unsettled weather this am in a Westerly flow aloft. The freezing level will remain below surface. Increasing cloud as the day progresses with light snowfall by tonight, increasing to moderate snowfall Saturday morning, then light snowfall into Sunday. The FL will begin to rise on Saturday (>1200 m) then spike to around 1500 meter on Sunday. A series of frontal bands will continue into next week with the FL hovering in the 1000 meter range.
Guesstimates: 6-12 cm by Saturday morning, 20-30 cm by Sunday morning, 15-20 cm by Monday morning.


    GOES IR image from this am.


    Weakening upper trough with another front arriving later in the day from the low to the North.





    Fronts along the coast.

    Warm front followed by cold front. FL hovering around 1000 m on Saturday.





    Low will be drawing some warmer air from the South, FL could spike to 1500 meters Sunday.




    AVALANCHE ACTIVITY:

    Taylor Mountain Avalanche. Wyoming-- Article below.                               Cody Lockhart Photo

    An avalanche has killed a snowmobiler in the Baker Creek area of Idaho. Article below. Net Pic


    Avalanche control on Whistler yesterday produced Sz 1-2 Xe, Sc.

    Avalanche control on Blackcomb yesterday produced Sz 1-2 Sa, Xe, Xt, Xl.

    Early morning sluff upper gear jammer.


    INFORMATION & OBSERVATIONS:

    Riding conditions yesterday were as good as they get.

    Great temperatures for making snow.

    Alpine had some wind affected snow yesterday.

    9 cm of new recorded at 1570 meters from 06:30-14:30 Hrs yesterday. Base was 150 cm.

    We have had 90 cm of new snow in the past week.



FROM AVALANCHE CANADA MIN REPORTS:

Cerise Creek: Jan 16, 2020



VIDEOS:

Whistler weather with meteorologist: David Jones



ARTICLES:

Snowmobiler killed in Baker Creek Avalanche: Idaho

Massive Taylor Avalanche: Wyoming

A word to the wise: Pique

Vail's Stock Rally is in danger with Whistler needing more powder: Bloomberg

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