25 Mar 2015

March 25, 2015


    Just after sun rise March 24, 2015.

    First light early yesterday morning

    There were some breaks on Tuesday morning.

    3 cm on Christine's deck Tuesday morning.

    Lineups looked tolerable on Tuesday, with good conditions in the alpine.

    Fresh tracks for those in the know.

    Just after official sunset which was 19:30 yesterday evening. Front approaching!

Weather Observations for March 25, 2015; taken at 06:00 Hours.

2240 meters     -5, Winds were 40-50 KPH from the SE
2180 meters     -5, Winds were 25-40 KPH from the S
1860 meters     -4, Winds were 15-25 KPH from the ESE
1835 meters     -3, Winds were 20-40 KPH from the ESE
1650 meters     -1, 5 cm of new snow, Base 187 cm
1550 meters     -2, 3 cm of  new snow, Base 132 cm,  Relative Humidity 98%. 
  660 meters    +2, Valley Temp, Max Temp Yesterday was +9.6, 0.2 mm recorded on Tuesday

    As of 07:00 this am we have obscured skies, limited visibility and it is snowing 1 cm per hour.


For the forecast, a warm front in a Westerly Flow aloft will bring light rain to the area with a Freezing level rising to 2000 + meters by this afternoon. The front will slowly push through by Thursday afternoon with FL rising to 2500 meters, a very weak ridge will bring brief unsettled conditions to the area for Thursday night. Another front will move onshore on Friday with light to moderate precipitation and a FL starting at around 2200 meters and dropping to 1500 metes by Friday night as a cold front pushes through. Saturday and Sunday are looking cloudy with light precipitation and the FL fluctuating between 1400 & 1800 meters. As of now Monday is looking unsettled. Guesstimates: 6-8 cm above 2000 meters by Thursday morning, 15-25 cm above 2000 meters by Saturday morning, 5-8 cm above 1400 meters by Sunday morning,  5-8 cm above 1700 meters by Monday morning.


    Satellite image from yesterday at 15:00 Hours.

    Big picture from yesterday aft certainly shows a significant amount of moisture over the Pacific.


    Westerly flow for today.

   Warm front with ascending freezing level.

    The high is losing this battle.

    Low will keep directing moisture into the area above the high.

    Very warm temperatures for Thursday- Friday.

    Cold front reaches the coast on Friday night.


ARTICLES:

Sea to Sky Avalanche Warning: Avalanche Canada

An Interior problem on the Coast: Avalanche Canada

Mixed 2015 winter for French lift operators: Pistehors.com

Plane crash in Alps sounded like an avalanche: France

California Snowpack is a record low of 9% of normal: Ouch



Recent (Sunday) skier size 1.5 remote initiating size 3 slab running over existing tracks.

    Skier remote on Russet Ridge from ski track in foreground.                                     SWBC Image

    Lots of convective clouds in the morning.

    Lots of folk enjoying the dusting from Monday night.

    Great conditions in the Whistler Park.

    Into the abyss.

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