23 Apr 2018

April 23, 2018


    AVALANCHE ACTIVITY:

    Snowmobiler dies in an avalanche near Mt Leidy, Montana. Article below.          TCS&R Pic

    Avalanche terrain in Gros Morne Park in Newfoundland: Article below.                             Net PIC

         Report of 2 snowboarders involved in a cornice collapse and avalanche yesterday.

A cornice collapse in the Upper Lillooet took two snowboarders for a ride on Sunday.
Not much information yet but at least one has sustained some injuries and was buried in the debris..


    There were many avalanches from the last cycle to observe on Sunday.

    Same area different perspective.

    Large natural cornice release, but no slab on this slope that pulled out.

    Even a S1 dry loose can make some noise!!

    Size 1 Sa Sunday morning near Mt Sampson.

    Wet Loose Sunday afternoon on East & South facing slopes.


    YESTERDAY:

    Early Sunday morning, Bluebird!!

    An awesome day.

    Some cloud development Sunday morning.

    Mark Amba doing his thing!!

    13:30 Hrs Sunday afternoon, +2.7 Deg 5-10 KPH from the SSW. Last day of Whistler Winter Ops.


    Clouds in the background Sunday afternoon.

    Nester's Weather plot Sunday afternoon. High of +13.2 Deg C yesterday.


    Sunday afternoon.

    Big picture Sunday. Big ridge of high pressure.




Weather Observations for April 23, 2018  taken at 06:00 Hours.

2240 meters     -3, Winds were 10-20 KPH E  --Horstman Hut
1860 meters     -3, Winds were 10-15 KPH SE--Rendevous
1660 meters     -3, 0 cm of new, 0 cm in 24 hrs  Base 232 cm --Catskinner
  660 meters     -2, Valley Temp, Max Temp Yesterday was +13.2, 0.0 mm of precip recorded yest

    As of 06:30 hrs this am we have clear skies and unlimited visibility.


FORECAST:

An upper ridge will dominate the weather pattern until Thursday. For today we can expect mostly sunny weather with some afternoon cloud development in a Northerly flow aloft. The FL will reach 3000 meters today, with warmer temperatures expected through the week. Summer like weather by Thursday. No precipitation in the forecast until Friday. Lather up!!


    GOES IR image from this am.

    High pressure again today, warming temperatures.

    High pressure along the cost and inland.

    Some clouds this afternoon.

    Fronts along the coast.

    Clouds in the area Tuesday.


    Mix of sun and cloud.


    INFORMATION & OBSERVATIONS:

    Widespread natural cycle on Saturday.

    Some avalanches make it to the valley!!

    Sz 1 Sc Sunday morning.

    The under belly of a cornice!! Yikes are those baby cornices!!

    Sz 2 Na slab from Saturday.

    Sz 1 Sa loose dry sloughs.

Recent Avalanche Canada MIN Reports: 

Metal Dome

Mount Harvey


ARTICLES:

Snowmobiler dies in an avalanche near Mt Leidy: Montana

Spring Avalanche Conditions: Utah Avalanche Centre

Two Austrian women swept away by avalanche in Graubunden: Switzerland

The U.S. Rocky Mountains have a dust problem: San Juan Mountains

Practise Snowmobiling Safety says, Wild Gros Morne: Newfoundland

Snow in Tateyama, 56 feet high: Japan

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