11 Apr 2018

April 11, 2018


    AVALANCHE ACTIVITY:

    Locally, limited AC, Sc produced small ssl in the am above 1900 meters.



    YESTERDAY:

    Raining below 1800 meters.

    Snowing at 1860 meters.

    Mountain Safety getting wet.

    Warm & Moist.

    Breaks in the morning.

    Sunny breaks in the afternoon.

    Sunny for most of the late afternoon.

    Still some precipitation around later in the day.



    Front slid through quickly. Unsettled after 13:00 Hrs.


    Tuesday afternoon.

    Big picture on Tuesday.


Weather Observations for April 11, 2018  taken at 06:00 Hours.

2180 meters     -6, Winds were 30-55 KPH SE  --Whistler Peak
1835 meters     -4, Winds were 10-25 KPH ESE--Roundhouse
1660 meters     -2, 3 cm of new, 7 cm in 24 hrs  Base 305 cm --Pig Alley
  660 meters    +3, Valley Temp, Max Temp Yesterday was +9.5, 4.5 mm of precip recorded yest


   As of 07:00 hrs this am we have overcast skies with a small break and variable visibility.


FORECAST:

A frontal wave coming off the low in the Gulf of Alaska will bring overcast skies and light precipitation in a Southwest flow aloft. The FL dropped last night, hovering in the 1000 meter range this am, rising to 1500 meters this afternoon. A weak frontal band for tomorrow with periods of light precipitation and the FL maxing out at around 1200 meters. Friday will be overcast with periods of light precipitation during the day with moderate precipitation expected later in the day. May see a break Saturday morning before the next frontal band pushes through.Yet another one for Sunday.
Guesstimates: 10-15 cm by Thursday morning, 4-8 cm by Friday morning, 20-35 cm by Saturday morning, 10-15 cm by Sunday morning.


    GOES IR image from this am.


    Low to the North will spin frontal bands our way.


    Warm front moving through this am.

    Following cold front then unsettled.


    Fronts along the coast.

    Weak front for Thursday.

    Overcast with flurries.



    INFORMATION & OBSERVATIONS:

   CSIA  Level 4 Ski Off, setting a GS course.



    6 mm recorded from 06:30 Hrs to 14:30 Hrs. +1 at 14:30 Hrs yesterday at 1550 meters.

    Cornice tabs were growing!


ARTICLES:

Skier buried in avalanche near Georgia Pass: Colorado

MRA Team recovered deceased members body April 10, 2018: Aspen

Scottish avalanche service to wind down latest season: SAIS

Close call after skier inflates air bag: Czech Republic

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