April 8, 2018

    AVALANCHE ACTIVITY:

    Two dead, two injured in Italian Avalanche. Article below.                                              Net Pic

    Missing hiker killed in an avalanche near Zermatt, Switzerland. Article below.                  Net Pic

    Avalanche killed missing ski tourer on Seckauer Zinken, Austria. Article below.               Net Pic

    Locally, yesterday cornice control produced Sz 1-1.5 in am, Sc in the pm produced some Sz 1's





    YESTERDAY:

    08:30 at 1835 meters, snowing & +1.

    08:30 hrs at 660 meters, raining and +4.

    660 meters, temperature maxed out at +7.7 Deg C on Saturday.

    GOES image as of 08:30hrs.

    09:30 at 2240 meters. -2.5 Deg C.

    10:30 Hrs at 2180 meters, -1.5 Deg C.

    Raining in the valley Saturday morning.

    Snowing at 1000 meters Saturday 12:00 hrs.

    Snowed below 1200 meters in the afternoon.

    Low spinning away Saturday afternoon.

    Awesome breaks in the afternoon.

    Saturday afternoon.

    Big picture Saturday afternoon.

Weather Observations for April 8, 2018  taken at 06:00 Hours.

2180 meters     -3, Winds were 35-45 KPH SE--Whistler Peak
1835 meters     -1, Winds were 10-25 KPH SE--Roundhouse
1660 meters     -3, 5 cm of new, 5 cm in 24 hrs  Base 303 cm --Pig Alley

  660 meters    +3, Valley Temp, Max Temp Yesterday was +7.7, 13.0 mm of precip recorded yest

FORECAST:

The weakening low will slide to our Southeast today bringing unsettled weather in a Westerly flow aloft this am, transitioning to a Northerly flow aloft this afternoon. The FL will likely go to 2000 meters by this afternoon dropping to 1500 meters by tonight. The occasional shower/flurry is expected later in the day. Monday is looking mostly cloudy with the FL rising to 2000 meters during the middle of the day with periodic showers/flurries above 1500 meters. A more vigorous frontal band arrives Tuesday with the FL dropping to a high of 1500 meters and low of around 1000 meters. Wednesday will also see a fairly active frontal band with the FL hovering around 1200 meters dropping to 900 Wednesday night. A weak upper level trough will bring unsettled weather into Thursday with some periodic flurries.
Guesstimates:

    Weakening low will bring unsettled conditions for today.

    Unsettled with some flurries.

    Warming, FL riing to 2000 meters. Cloudier by tonight.

    Fronts along the coast.

    Warm but may see more cloud than breaks.

    Improving near the end of the day.



    INFORMATION & OBSERVATIONS:

    Moist snow at 1700 meters.

    Top of GE Chair.

    Winter in the Alpine. Winds were transporting a lot of snow. Cornice tabs fragile.

   12 cm recorded yesterday from 06:30 to 14:30 hrs. 236 cm base there.

    Spring in the valley.

    Breaks later in the afternoon.

    Wet in Kirkwood, as an Atmospheric River soaks Northern California .


Recent Avalanche Canada MIN Reports:

Marriott Basin               


ARTICLES:

Two dead, two hurt in Italian Avalanche: Aosta Valley

Avalanche killed missing hiker near Zermatt in Valais: Switzerland

Avalanche killed missing ski tourer on Seckauer Zinken in Styria: Austria

Persistent problems in the PNW: NWAC Blog