27 Apr 2018

April 27, 2018


    AVALANCHE ACTIVITY:

    Report of a Sz 2.5 slab release in Bony Basin from later on Wednesday evening.

    Blackcomb Glacier, Spanky's, and Lakeside were closed yesterday.


    Glide crack and slump near Brandywine area.                                                       Brad Sills Photo

    Looks like a glide crack on Brandywine!                                                              Brad Sills Photo


    YESTERDAY:

    Work continues on Road Access.

    It was an awesome day!

    Very warm, high at 1860 meters was +19 Deg C yesterday.

    Just before sunset which was at 20:22 Hrs.

    Thursday afternoon.

    Big picture Thursday afternoon.


Weather Observations for April 27, 2018  taken at 06:00 Hours.

2240 meters    +8, Winds were    0-5 KPH S--Horstman Hut
1860 meters    +6, Winds were  5-10 KPH E--Rendevous
1550 meters    +5, 0 cm of new snow, 0 cm in 24 hrs  Base 221 cm --Catskinner
  660 meters    +2, Valley Temp, Max Temp Yesterday was +25.3, 0.0 mm of precip recorded yest


    As of 07:00 Hrs we have clear skies and unlimited visibility.


FORECAST:

The upper ridge will slowly migrate east today with some stratus cloud slowly pushing on shore, in a Southerly flow aloft. The FL will slowly descend to 3000 meters by tonight. The upper low will bring periods of light precipitation Saturday with the FL starting at around 2300 meters dropping to around 1700 meters by Saturday night. We may see a few centimetres of snow at the upper elevations by Sunday morning. Overcast with periods of light precipitation for Sunday, with the FL hovering in the 2000 meter range with some snow falling in the upper elevations. Unsettled weather for Monday and Tuesday  with some showers. The ridge rebuilds again for Wednesday for nice weather into next weekend.
Guesstimates: 1-2mm at 1550 meters by Saturday morning, 8-12 mm at 1550 meters by Sunday morning (2-4 cm above 1800 meters), 2-6 mm at 1550 meters by Monday morning (2-4 cm above 1800 meters)



    GOES IR image from this am.

    Another warm day, low will send some cloud our way!


    Stratus cloud over the ocean.

    Should see some cloud push in!!

    Fronts along the coast.

    Periods of precipitation with more seasonable temperatures.

    Overcast with periods of light precipitation, FL might drop too 1700 meters Saturday night!


    INFORMATION & OBSERVATIONS:

    New park features are entertaining.

    High at 2240 meters yesterday was + 11.5 Deg C.

    Isothermal snowpack.

    Very wet and reactive on steep features.

    Free running water under the snow.

    Some nice banked turns.

    The Wizard is just about chair less!!

    You can still ski out to Base 2 or the valley.

   Image from this am at 07:30 Hrs, clouds are still a ways off.


Recent Avalanche Canada MIN Report: 

Loose Wet


VIDEO FRIDAY:

Avalanche Control: Italy

Avalanche Control: Switzerland

Snowing on a comet: Rosetta Probe


ARTICLES:

Warm Temperatures have created a wet snow pack, dangerous avalanche conditions exist: NWAC

The onshore push has begun: Cliff Mass Weather Blog

Polish climbers hit by B.C. avalanche call home for help, spark far-flung rescue: Canadian Press

Full Moon is on Sunday April 29, 2018. Pink Moon

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