AVALANCHE ACTIVITY:
No new avalanche activity observed locally.
An avalanche has killed a snowmobiler near West Yellowstone. Story in article section. Net Pic
YESTERDAY:
Moon setting Tuesday morning.
Nice colours early in the morning.
Overcast for most of the day.
A grey day.
Dark sky near the end of the day with some isolated rain showers.
Weather Observations for January 3, 2018 taken at 06:00 Hours.
2180 meters +1, Winds were 0-5 KPH NW--Whistler Peak
1835 meters +1, Winds were 0-5 KPH NE--Roundhouse
1660 meters -1, 0 cm of new, 0 cm in 24 hrs Base 180 cm --Pig Alley
FORECAST:
High pressure aloft will strengthen today with mostly sunny skies in a low level offshore flow. We can expect warm temperatures today with the freezing level maxing out at around 2400 meters. Will likely see some cloud development later today. A weak front will move in from the southwest Thursday morning with overcast conditions and light precipitation. The FL will slowly drop to 1700 meters by Thursday night. A more vigorous warm front moves in for Friday with moderate precipitation and the FL hovering in the 2000 meter range. A series of fronts will push through into Monday with light precipitation and the FL should begin to cooperate by Saturday into Sunday with some of the snow reaching the valley. More on that as we get closer.
Guesstimates: 1-3 mm by Friday morning (snow above 1500 m), 5-8 cm by Saturday morning above 1500 meters with 10-15 mm of rain as well, 4-8 cm by Sunday morning.
Mostly a sunny day.
Warm temperatures from the high.
Looking like a nice day over Whistler.
Frontal Bands.
Clouds moving in for Thursday.
INFORMATION & OBSERVATIONS:
Snow was still ok in the morning but warm temperatures in the alpine changed that.
Warm moist snow on South aspects at tree line and above. Greenhouse affect under the cloud.
Max temp at 2240 meters yesterday was + 2.6, at 1860 meters it was +6.6.
Upper level cloud eventually dropped onto the higher peaks.
Yesterday afternoon.
Big picture yesterday.
From South Coast Touring:
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Hanging Lake
ARTICLES:
A snowmobiler has been killed in an avalanche near West Yellowstone: Montana
Report on above avalanche from Gallatin National Forest Avalanche Center: GNFAC
Lack of mountain snow creates more avalanche danger: Utah
Avalanche buried skier rescued by partner: Panorama
CAIC recieved 132 avalanche reports over past week: Colorado
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