April 2, 2017

    AVALANCHE ACTIVITY:

    A few Sz 1 Sa and Na observed yesterday locally. Some Sz 1wet Na on solar aspects.

   Avalanche control on WB yesterday produced some Sz 1-2.5 Xe Xc Sc.


    YESTERDAY:

    Unsettled early Saturday morning, April 1, 2017.

    19 cm of new snow at 1550 meters, was moist in the valley.

           Snow in the am was dry in the alpine.

    Powder burn on Bushrat.

    Saturday morning.

    Advisory at the top of GE.

    Nice light in the morning.

    At times the light was difficult.

    Patches of blue most of the day.

    Periods of cloud and variable visibility at other times.




Weather Observations for April 2, 2017 taken at 06:00 Hours.

2240 meters    -10, Winds were 20-30 KPH SSW--Horstman Hut 
2180 meters    -10, Winds were 15-20 KPH SSW--Whistler Peak
1860 meters      -8, Winds were   5-10 KPH SSW--Rendevous
1835 meters      -7, Winds were 20-30 KPH SSW--Roundhouse
1650 meters      -6, 5 cm of new snow, 5 cm in 24 hrs, 341 cm Base, RH 89%  --Pig Alley
1550 meters      -6, 4 cm of new snow, 4 cm in 24 hrs, 261 cm Base, RH 93%  --Catskinner 

  660 meters      -1, Valley Temp, Max Temp Yesterday was +8.4, 19.2 mm of Precip recorded yest

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


FORECAST:

A weak upper level trough is quickly moving east with a ridge of high pressure building in its wake in a Northwesterly flow aloft. The FL will could rise to 1200 meters today with daytime heating and drop back down to surface tonight. The ridge will strengthen for Monday with mostly sunny skies and the FL could spike to 1400 meters. Tuesday morning will be unsettled with cloud cover later in the day. We will see some precipitation begin on Tuesday night as a couple of warm frontal bands move through on Wednesday into Thursday.
Guesstimates: Trace-1 cm by Monday morning, 0 cm for Tuesday morning, 4-6 cm by Wednesday morning, 12-16 cm by Thursday morning, 15-20 cm by Friday morning.

    GOES IR image from this am, looking like some cloud moving through.

    Weak upper level trough moving Eat with an upper ridge building.

    Sunday is looking like a nice day.

    High pressure for Monday with mostly sunny skies.

    Tuesday may become unsettled.

    Series of fronts starting Wednesday and moving through later in the week.


OBSERVATIONS & INFORMATION:

Pierre Banks

March 28 at 5:46pm

So this was an interesting one I thought I'd share.

Teaching and had someone in my class who was having issues with her transceiver. Took me a few minutes to realise... electric gloves.... More technology interference. Read article below published in 2012.

    April 1, 2017 fresh snow at 660 meters. 19.2 mm recorded on Saturday.

   Snowed on at 1860 meters.

    Variable visibility at times in the alpine.

    Thick upper cloud layer and a thick mid cloud layer.


ARTICLES:

Celebrate the North Face Partnership: Avalanche Canada

Alaskan Capital on edge after series of avalanches: Juneau

Essential Gear: Avalanche Canada

Hot Gloves can interfere with avalanche transceivers: January 2012

Transceiver interference: Avalanche Canada