28 Mar 2018

March 28, 2018


    AVALANCHE ACTIVITY:

    From Rainbow Mtn area yesterday, Vr (snowmobile remote)                       James Cattanach Pic

    Rainbow Mtn area.                                                                                         James Cattanach Pic

    Locally, AC produced Sz 1-2 Xe, Xy, Xc. Windslabs and Cornice drops.

    Reports of some Sz 2.5 Na on the Duffey. Read Seven Mile MIN report below. Sz 3 Xg in 51.


   
   YESTERDAY:

    Snow line at 1000 meters on Tuesday morning.

    There were a few awesome breaks in the morning.

    Surface was skiing well.

    Periods of bad visibility, at times elevation specific.

    Clouds were moving up and down and all around!!

    At times thick fast and furious.

    Mount Davidson in the foreground.

    Weekend Chutes.

    Clearing by days end, full moon will be on March 31, 2018. Blue Moon

    Tuesday afternoon.

    Big picture Tuesday.

Weather Observations for March 28, 2018  taken at 06:00 Hours.

2180 meters     -7, Winds were 25-35 KPH S      --Whistler Peak
1835 meters     -5, Winds were 10-25 KPH SSW --Roundhouse
1660 meters     -4, 0 cm of new, trace in 24 hrs  Base 304 cm --Pig Alley
  660 meters    +1, Valley Temp, Max Temp Yesterday was +9.9, 5.4 mm of precip recorded yest

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



FORECAST:

A weak dirty ridge is building along the B.C. coast bringing unsettled weather this am in a Northwesterly flow aloft. The air mass is moist and stable so we can expect increasing cloud cover later this morning into the pm. The FL could reach 1500 meters this afternoon. Overcast Thursday with periods of snow flurries and a FL rising to 1700 meters. Friday is similar with overcast skies, sporadic flurries and a FL of 1700 meters, cooling in the evening to 1000 meters with breaks in the cloud cover. Unsettled weather is expected for the weekend with slightly cooler temperatures.
Guesstimates: trace -1 cm by Thursday morning, 2-6 cm by Friday morning, 1-3 cm by Saturday morning, trace -1 cm by Sunday morning.

    GOES IR image from this am.


    Weak diry ridge along the coast. Warming temps.


    Unsettled this am.


More cloud this afternoon.

    Fronts along the coast.

    Mostly cloudy Thursday.

    Some flurries.


    INFORMATION & OBSERVATIONS:

    Airtime.

    Wind affect Tuesday morning.

    Pinwheeling after the sun came out.

    Warming temps had snow bombs coming out of the trees. 0 Deg at 1860 meters at 14:00 hrs.

    Some slabby snow in the morning but mostly wind pressed.

    Exposed tracks from the strong variable winds Monday night..

    Snow texture was great in many areas.

    Catskinner now has a base of 236 cm as of 14:30 hrs Tuesday. Temp was +1 Deg.

    Unsettled at 18:00 Hrs on Tuesday evening.


Recent Avalanche Canada MIN Report:

Seven Mile



ARTICLES:

Skier is in critical shape after cornice collapse: Jackson Hole

Warmer winters leading to rise in number of avalanches in Western Himalyas: University of Geneva

Avalanche Forecast for Nordenskiold Land: Norway

A flurry of research illuminates snow's foes: High Country News

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