2 Feb 2020

February 2, 2020

    YESTERDAY:

    08:30 hours Saturday morning. + 3 deg C in the Valley.

    08:30 Hrs Sat, broken cloud and dropping freezing level. -4.9 Deg C with a 30-65 KPH SE wind.

    Rendezvous was caked in snow and ice.

    Saturday February 1, 2020. 12:00 Hrs. -6.7 Deg C with a 25-55 KPH West wind.

    Firm ice lens with some fresh on top.

    Later in the afternoon.


Weather Observations for February 2, 2020 taken at 06:00 Hours.

2240 meters    -15, Winds were 30-40 KPH SE--Horstman Hut
2180 meters    -13, Winds were 35-45 KPH SSW--Whistler Peak
1860 meters    -13, Winds were 15-20 KPH SE --Rendezvous 
1835 meters    -12, Winds were 15-25 KPH SE--Round House
1650 meters    -12, 0 cm in 12 Hrs, 1 cm in 24 Hrs, Base 246 cm --Pig Alley
1560 meters .  -11, 0 cm in 12 Hrs, 1 cm in 24 Hrs, Base 162 cm--Catskinner
  660 meters      -6, Valley Temp, Max temp Yesterday was +6.5, 16.7 mm of precip yesterday.

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


FORECAST:

A weak upper trough will bring unsettled weather for today in a Westerly flow aloft, switching to Northerly tonight with a weak impulse of light precipitation. The freezing level will remain below surface. An upper level ridge will bring dry and mostly sunny weather for Monday. A weak warm front will bring periods of light precipitation for Tuesday, with a series of weak frontal bands for the remainder of the week. Guesstimates: 4-6 cm by Monday morning, 0-trace by Tuesday morning, 8-12 cm by Wednesday morning.

    GOES IR image from this am.


     Weak upper trough for today with a mix of sun and cloud. Some precipitation for this evening.





    Fronts along the coast.

    Ridge builds for Monday.





     Weak warm front for Tuesday, from low well to the North. 




    AVALANCHE ACTIVITY:

    An avalanche on Mount Norikura has killed a snowboarder. Article below.                         Net Pic

     An avalanche on Hokkaido has killed a skier. Article below.                                           Net Pic


    Avalanche control on Whistler Saturday produced Sz 2-Sz 3 Xh, Xc, Xe.

    West Bowl.

    Hanging Roll Sz 2.5

    Juniper Roll Sz 2

   Avalanche control on Blackcomb Saturday produced Sz 2-3 Xe, Xc, Xt.

    Sz 2.5 out of fallers, Sz 3 out of Whiplash, Sz 3 out of 5-O

    Debris from Whip Lash and Regulator.

    Pakalolo went Sz 2

    Debris from Pakalolo

    Road Runner traverse.

    Whiplash.

      Whiplash.

   Evidence of an active avalanche cycle during the storm.


    INFORMATION & OBSERVATIONS:

    Breaks Saturday morning.

    Surface at 1750 meters.

    Many rimed coated trees were blown down in Friday's storm.



    Wind, wet snow, and dropping temperatures.

    Lifts were coated in ice. Took hours to get Crystal Chair running on Saturday.

     Peak to Peak had a coating of ice.

    River of Golden Dreams was at maximum capacity Saturday am..

    Nester's weather Station received 16.7 mm of precipitation on Saturday.

    Strong winds Friday-Saturday morning.

    Peak to Peak Building on Blackcomb,



AVALANCHE CANADA MIN REPORTS:

Elfin Lakes: Jan 31, 2020


VIDEOS:

Skier Accidental (Sa): France

Scary Stability: France



ARTICLES:

Two more people killed in avalanches in: Japan

Expert panel calls for a culture shift in Whistler backcountry this winter: Pique

Cold air is surging into the Northwest: Cliff Mass

Sunday's Date a rare Palindrome: 02-02-2020

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