30 Jan 2018

January 30, 2018


    AVALANCHE ACTIVITY:

    Four people caught in avalanche lucky to escape--Hollyburn Mtn. Story in article section. Net Pic

    Locally, AC produced Sz 1.5-2 Xe, Xl. 1 Sz 2 Xa. Sc produced Sz 1 at and below tree line.


    YESTERDAY:

    Overcast and limited visibility in the morning.

   Valley at 08:15 Hrs. 0 Deg. +4 in the valley at 17:00 hrs on Monday.

    Snowing in the am.                                                                                                              GD Image

    Better visibility and less snowfall in the afternoon. 0 Degrees at 12:00 Hrs at 1860 meters.

    At 16:00 Hrs on Monday the temperature at 1860 meters was 0 Deg.

    Yes it was wet in the valley yesterday afternoon.                                                                JB Image

    Low level cloud just above the valley floor at days end.

    Monday afternoon, front drifting Southeast.

    Big picture Monday afternoon.


Weather Observations for January 30, 2018  taken at 06:00 Hours.

2180 meters     -8, Winds were 75-90 KPH SE--Whistler Peak
1835 meters     -7, Winds were 25-55 KPH SE--Roundhouse
1660 meters     -5, 4 cm of new, 38 cm in 24 hrs  Base 318 cm --Pig Alley
  660 meters    +1, Valley Temp, Max Temp Yesterday was +4.2, 18.8 mm of precip recorded yest

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


FORECAST:

A broad shortwave trough will bring mostly overcast skies and light snowfall to the area today in a Westerly flow aloft. The freezing level will drop to the surface for today into Wednesday. With this pattern we can expect strong winds and there are some breaks this am.. Wednesday will see a similar day with less wind.  A warm front is forecasted for Thursday with light snowfall and the FL will begin to slowly rise to 1500 meters by Thursday night. A warm but relatively dry pattern will be with us Thursday into the weekend with the FL hovering in the 1700 meter range.
Guesstimates: 8-12 cm by Wednesday morning, 8-12 cm by Thursday morning, 10-15 cm by Friday morning above 1600 meters.


    GOES IR image this am.


         Low to the North dominating but the warm high will bring us grief later in the week!!




    Calm after the deluge.

    Light snow for today.


    Fronts along the coast.

    Light snowfall in a Westerly flow.

    Warm front heading our way for Thursday.

    OBSERVATIONS & INFORMATION:

    Water pouring off the Chief.

    Wet drifting snow at tree line!!                                                                                             GD Image

    Even the Heron was not impressed by the rain. Squamish received 70.1 mm of rain yesterday.

    Cheakamus River still running clean.

    Whistler received 18.8 mm of rain yesterday, most of the precipitation was just South of Whistler.

    Nice day in Squamish if you are green.

                      A poncho was a good idea yesterday!!

    Brunt of the precipitation moving Southeast on Monday afternoon.


ARTICLES:


Four skiers make lucky escape from avalanche on North Shore mountain: Hollyburn

Officials warn of high avalanche danger  after several close calls: Utah

Snowboarder sets off avalanche at Castle Peak: Sierra Avalanche Centre

Avalanche-awareness courses help you recognise when its safe to play in the snow: Washington State

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