9 Apr 2017

April 9, 2017


    AVALANCHE ACTIVITY:

    An avalanche has buried up to 5 people above Lions Bay.  Story in article section.          Net Pic

    AC yest on WB produced some Sz 1-1.5 stmsl/wndsl up to 40 cm. Xe Sc Xc.  1 Sz 2 reported.
    Na Sz 1.5 on Husume Flank, no involvement.


    YESTERDAY:

    Saturday morning April 8, 2017--Snowline at 1000 meters.

    Valley cloud in the morning.

    Flurries off and on all day.

    Saturday morning

    The steeps were really nice yesterday.

    Visibility was challenging at times.

    Nice light for a short period of time in the afternoon.

    There was some nice snow out there.

       Awesome presentation last night by Sylvain Sudan.

Weather Observations for April 9, 2017 taken at 06:00 Hours.

2240 meters      -8, Winds were 15-20 KPH SE--Horstman Hut 
2180 meters      -8, Winds were 15-25 KPH SE--Whistler Peak
1860 meters      -6, Winds were 10-15 KPH SE--Rendevous
1835 meters      -6, Winds were 10-20 KPH SE--Roundhouse
1650 meters      -5, 1 cm of new snow, 1 cm in 24 hrs, 357 cm Base, RH 90%  --Pig Alley
1550 meters      -5, 1 cm of new snow, 1 cm in 24 hrs, 261 cm Base, RH 94%  --Catskinner 
  660 meters     +2, Valley Temp, Max Temp Yesterday was +5.8, 0.3 mm of Precip recorded yest

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


FORECAST:

A weak upper level ridge will bring unsettled conditions to the area today in a Southwest flow aloft. The FL will peak in the 1400 meters range, dropping to 800 meters overnight. We can expect a dry day with periods of sun and cloud. A strong upper trough will spread cloud into the area Sunday night as a week front moves through for Monday. We can expect overcast skies with flurries on Monday with a FL maxing out at 1400 meters. Another short lived weak high pressure builds for Tuesday afternoon with unsettled conditions into the evening. A deep low will bring more cloud to the area by Wednesday afternoon with some light precipitation.
Guesstimates: trace-2 cm by Monday morning, 6-8 cm by Tuesday morning, 0 cm by Wednesday morning, 8-12 cm by Thursday morning.

    GOES IR image from this am.

    Unsettled today as a weak ridge builds.

   Clouds will move in later this afternoon.

   A weak front will bring light precipitation to he area on Monday.

   Another weak short lived ridge builds for Tuesday.

    Unsettled Wednesday morning before a front moves in from the South.


INFORMATION & OBSERVATIONS:

    Loose dry avalanche yesterday morning from some point releases.

   Best snow was in the Alpine.

    Very fragile cornice noses.

    Discussing lines.

ARTICLES:

A group of climbers has been buried in an avalanche above Lions Bay; Mount Harvey

DRDO developing technology to track soldiers if they are buried in an avalanche: India

ENSO- March 2017-Neutral conditions at present: NOAA

A reminder for Spring Sun Protection: Fresh Turns, Not Sun Burns

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