17 Jan 2018

January 17, 2018

    AVALANCHE ACTIVITY:

    Sz 2 Na on Decker Tuesday.

    Sz 1- Sz 2 Naturals and Ski cuts locally!!


    YESTERDAY:

    Obscured at 2180 meters Tuesday Morning.

   Early in the am, did not start precipitating until about 05:00 Hrs.

    Very moist in the valley Tuesday morning.

    Snowing 2.5 cm per Hr Tuesday morning, 21 cm in 24 hours at 1650 Meters by 14:00 Hrs.

    Some brief breaks in the afternoon.

    Snow line at around 1100 meters at around 16:30 Hrs.

    14:45 Hrs yesterday, still snowing in the alpine.


Weather Observations for January 17, 2018  taken at 06:00 Hours.

2180 meters     -6, Winds were 85-110 KPH ESE--Whistler Peak
1835 meters     -4, Winds were   25-60 KPH ESE--Roundhouse
1660 meters     -2, 6 cm of new, 26 cm in 24 hrs  Base 205 cm --Pig Alley
  660 meters      0, Valley Temp, Max Temp Yesterday was +3.2, 12.7 mm of precip recorded yest


    As of 07:00 Hrs this am we have obscured skies, limited visibility and it is snowing lightly.


FORECAST:

A warm front associated with a strong Pacific system will push through today in a Southwesterly flow aloft. We can expect strong winds (max 120 KPH),  periods of moderate/heavy precipitation and the freezing level rising to around 1500 meters, dropping back down to 1000 meters tonight when a cold front pushes through.A broad upper trough will continue to bring snow with cooler temperatures Thursday into Friday.Another strong frontal band is expected Saturday night into Sunday. Winter is back!!!
Guesstimates: 35-45 cm by Thursday morning, 40-50 cm by Friday morning, 10-15 cm by Saturday morning, 15-20 cm by Sunday morning. Looks great as long as the low stays on track.


    GOES IR image from this am, looks juicy.

    Deepening low will bring winter back for the next few days.

    Warm front pushing through this am.

    Cold front later today.


    Warm front followed by a cold front.

    Low is in a good place.

    INFORMATION & OBSERVATIONS:

    Mountain Film Tour coming to Squamish. Click here: Thursday January 18, 2018  For Tickets

    Warm and moist in the valley in the am.

    Cornice noses where growing.

    Wind transport below treeline.


    From 06:00 Hrs to 14:00 Hrs we recieved 20 cm on the 16 Th.

    15 cm from 06:00 hrs to 12:00 Hrs on Tuesday at 1650 Meters.


    Wind blowing from the East to Southeast Tuesday am.

    Wind blowing from the West in the afternoon.

    Great tree skiing in the afternoon.

    Tuesday afternoon.

    Big picture in the afternoon. Next low looks big. Hope it slides right over us.


ARTICLES:

Snowmobiler took last breath before being buried in avalanche: Miraculous Rescue

SNOTEL Data for the Western USA: Well below normal

Avalanches wreack havoc in Northern Italy: Turin

Free Avalanche Awareness Night Jan 18, 2018: Mammoth Brewing Company

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