11 Dec 2015

December 11, 2015

    Snowing in the valley Thursday, December 10, 2015.

    Cold enough Thursday morning for some of the mid mountain auto snow guns to be working.

    Avalanche closer in the morning.

    Boundary by late morning. Snowing 1.5 cm per hour in the morning but that ramped up in the Pm.

    Closed again in the afternoon. Pay attention to the signs!! Passes revoked for violation.

    It was dumping for a while. From 13:00 Hours to 14:00 Hours it snowed 6 cm at 1550 meters.

    Dumping at the Tube Park at 16:30 Hours. Shortly after that the tap slowed down.

    Winter in the town center.

Weather Observations for December 11, 2015: taken at 06:00 Hours.

2240 meters       -6 Winds were 20-30 KPH SE          --Horstman Hut Station
2180 meters       -6, Winds were 20-25 KPH SE         --Whistler Peak
1860 meters       -6, Winds were 5-10 KPH SSE         --Rendevous
1835 meters       -5, Winds were 10-20 KPH SSE       --Roundhouse
1650 meters       -3,18 cm of new, 38 cm in 24 Hrs, 165 cm Base, Relative Humidity 100%  --Pig Alley
1550 meters       -2,11 cm of new, 118 cm Base            --Catskinner 
  660 meters        0, Valley Temp, Max Temp Yesterday was +2.3. 10.1 mm of precip yesterday.

Maximum winds yesterday at 2240 meters were 127 KPH SSE at 13:00 Hours. 70-100 Kph from 11:30 to 15:00 Hours, SE to SSE.

Avalanche control on WB yesterday produced Sz 1 soft slab avalanches Xe and Sc in the new snow.

    As of 07:00 Hours this am we have broken cloud , variable visibility and it is snowing lightly.

For the forecast, the vigorous front yesterday exited the area after depositing 38 cm mid mountain (1650 meters). Today we will see a very weak ridge bring unsettled conditions to the area by the afternoon. A cool flow will continue today with the FL possibly reaching 1200 meters. Saturday should be mostly cloudy as the next frontal band associated with a low to the Northwest moves in with light precipitation. The brunt of the precipitation will occur Saturday afternoon into early Sunday morning with a Fl hovering just above the valley and strong winds. By Sunday night we should feel the presence of the next weak high pressure with unsettled conditions. As of now the ridge strengthens for Monday. Guesstimates: 1-3 cm for today 20-30 cm by Sunday morning, 8-12 cm by Monday morning.

    Yesterday's natural snow maker.

    Clouds in the morning should give way to unsettled weather in the afternoon.

    Low moves well South and weak high pressure builds for the afternoon.

   Next low by Saturday morning with strong winds and favourable precipitation to the valley.

VIDEO Friday:

Massive Landslide Buries Road: India

Tree Tap or Tree Checking: Skier Lost

CDOT new avalanche mitigation tool: Gasex

Stevens Pass avalanche last weekend: Full Burial

Great Commercial for Quattro: Candide Thovex

The Fastest Snowmobile Ever: Quebec


Avalanche control perspective from France: Tignes

Whats in my backpack: MountainSledder

Should you use your smart phone for Wilderness Navigation: NorthEastAlpineStart

New avalanche research chair takes novel approach to backcountry safety: Pascal Haegeli

An avalanche in Hibinah has claimed the life of a Russian Tourist: Russia

    Image taken near noon, heavy snowfall from 13:00 hours to 17:00 Hours.

    A bit of a weather machine to the Northwest.

    22 cm from 06:00 hours to 16:00 hours on Thursday at 1550 meters. 17 cm recorded at 14:30 Hrs.

    Storm skiing at its best, almost!!

    Early grooming shift. Dark at 16:15.

    Its looking a lot like winter!! By mid day it was snowing 3-6 cm per hour.

    Profile from December 4, 2015.

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