Mountain Weather 12/03/15

CB Avalanche CenterWeather

Date: 12/03/2015

We have a warm day in store, with mountain temperatures rising near and above freezing over eroding valley inversions. The axis of high pressure shifts to our east today, issuing in southwest flow ahead of the next system. A Pacific trough moves on shore tonight, but quickly loses its mojo by the time it arrives over Colorado on Friday night. Its looking like snow flurries at best to kick off the weekend.

Mountain Weather 12/2/15

CB Avalanche CenterWeather

Date: 12/02/2015

We are stuck under high pressure for the remainder of the work week, with a gradual warming trend, light winds, and mostly clear skies. There is enough moisture spilling in for high cloud formation this evening. The pattern changes on Saturday as a weak Pacific trough passes over Colorado on Saturday.

Mountain Weather

CB Avalanche CenterWeather

Date: 12/01/2015

After a final wave of snowfall worked its way through the Elk Mountains overnight, clouds will continue to clear out of the higher elevations, and winds will subside as high pressure moves overhead. Cold valley inversions will strengthen for the rest of the work week. An unimpressive disturbance toward the weekend may temporarily scour inversions and drop a few inches but nothing to fake a cough for…

Mt Baldy, Paradise Divide Area

CB Avalanche Center2015-16 Observations

Location: Paradise Divide Area
Date of Observation: 11/30/2015
Name: Evan Ross
Subject: Mt Baldy, Paradise Divide Area
Aspect: East
Elevation: 9,800-12,800

Avalanches: Natural sloughing in steep terrain and a few small cornice falls.
Weather: 3 hoods 4 jackets and a thick puffy kind of cold. Mostly Cloudy (7/8th) sky with very light snowfall at times. At 12,800ft winds were light from the west between 1pm and 2pm. At lower elevations winds were calm to light throughout the day.
Snowpack: Above Treeline: Previous South to West winds have transported the new snow into drifts on lee features and build soft cornices. These drifts were around 18″ deep and more cohesive then a few days ago, but still very soft. Pushed on many pillows at ridgeline with no movement. Cornice falls and sloughs also didn’t propagate into a slab.

Average storm totals in the SE-E above treeline bowl that we traveled were in the 10″ range. Most of the new snow looked like it drifted out of South to West terrain were it was exposed to previous winds.

Below Treeline: The snowpack is still weak and shallow. No avalanche problems observed.

Mountain Weather

CB Avalanche CenterWeather

Date: 11/30/2015

Our latest storm is just like the broncos. It just won’t quit. Or maybe its like a Broncos fan leaving the bar? This same wobbling low pressure system has been creating unsettled weather since last Thursday. Come this afternoon, it gets the boot into the upper Midwest. This exiting low pressure system will swing the winds to the northwest for one last shot of orogrpahics and cold air advection to wring the atmosphere over our high peaks from Kebler to Schofield passes for another few inches. Look for gusty winds near and above treelike to blow the new low density snow around, and bundle up. Windchills could be bitter.

Mountain Weather for 11/29

CB Avalanche CenterWeather

Date: 11/29/2015

With the center of this low pressure centered over Evanston, WY, we will see continued southwest winds across the Elk Mountains, which tends not to be our prime orographic snow producing direction. Although southwest flow is not ideal, this low pressure has a -30ºC cold core, which will bring some enhanced snowfall in the form of cold air advection over the higher terrain through most of the day with a stronger pulse of snowfall this morning, before exiting our region this evening. High pressure moves in for most the work week before another evolving storm rattles into our area around Friday or Saturday.

SE snowpack observations

CB Avalanche Center2015-16 Observations

Location: Paradise Divide Area
Date of Observation: 11/28/2015
Name: Evan Ross
Subject: SE snowpack observations
Aspect: South East
Elevation: 10,000-12,500
Weather: Scattered skys in the morning turned to few by mid day. Calm wind throughout the day.
Snowpack: 10-15cm of total storm snow, blown into about 30cm on the lee sides of terrain features from SW winds overnight. Even in blown in areas storm snow lacked any slab formation. Steep or extreme terrain had many small sloughs running on slick/hard old snow surfaces.

Dug 1st pit around 11,500ft on a SE aspect and didn’t find a slab throughout the whole snowpack. Snowpack consisted of new snow over crust, facet, crust, facet combinations. Dug 2nd pit on the crown of the 11/24 skier trigged avalanche on Agustata Mountain at 12,400ft. Profile below.

Due south aspects were warming up slightly, otherwise all snow surfaces appeared to stay cold.

Agusta-crown-11.28

Mountain Weather 11/28/15

CB Avalanche CenterWeather

Date: 11/28/2015

The cut-off low continues to hover over Utah, spinning weak energy and a chance for light snowfall into the Elk Mountains today. The system finally looks to exit towards the Great Plains on Sunday night, with increased snowfall into Monday. The rest of the week looks dry.

Quick afternoon weather ob

CB Avalanche Center2015-16 Observations

Location: Paradise Divide Area
Date of Observation: 11/27/2015
Name: Evan Ross
Subject: Quick afternoon weather ob
Aspect: East
Elevation: 10,000-11,000

Weather: The morning started out partly cloudy before skys became overcast by noon or observed with light snow showers. Skys started to break up in the late afternoon before light scattered showers redeveloped around 4pm. Winds were generally calm with a light southerly breeze at times.
Snowpack: Short tour due to flat light conditions. Total storm accumulations were in the 1-2″ range. Temperatures felt warm leading to moist/sticky new snow that was settling quickly.

Mountain Weather 11/27/15

CB Avalanche CenterWeather

Date: 11/27/2015

A closed low pressure system bobbling around to our West will continue to keep our area under southwest flow. This system lacks deep moisture, but enough moisture at the surface should allow a few scattered snowfall showers to pass through. Some enhanced lift will spin around the low pressure and pass up through Western Colorado later this afternoon and this evening. If the Central Mountains get a piece of this Vorticity, we’ll hopefully see some enhanced snowfall and pick up a couple inches of snow. For the weekend we’re likely to only see a few more light snow showers but the track of this closed low could still vary slightly and change that outcome. Moving into next week a ridge starts to build over the Western US and we’ll see dry weather move in.