23 Dec 2019

December 23, 2019


    Sunday Dec 22, 2019. 14:00 Hrs. - 6.5 Deg C with a light breeze NNE.

    Early Sunday morning.

    Lots of valley cloud in the am.

    Improving by mid morning.

    Blue for a short while at around noon.

    High clouds moved in later in the afternoon.

    Early Monday morning.

Weather Observations for December 23, 2019 taken at 06:00 Hours.

2240 meters      -9, Winds were    0-5 KPH W--Horstman Hut
2180 meters      -8, Winds were  5-10 KPH NW--Whistler Peak
1860 meters      -8, Winds were  0-10 KPH SE --Rendevous 
1835 meters      -8, Winds were  5-10 KPH SW--Round House
1650 meters      -9, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base 98 cm --Pig Alley
1560 meters .    -7, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base 51 cm--Catskinner
  660 meters      -2, Valley Temp, Max temp Yesterday was +1.5, 0.0 mm of precip yesterday.

   As of 07:00 HRs we have clear skiesand unlimitedn visibility.


A ridge of high pressure will give us sunny skies for most of the day in a Northerly flow aloft. The freezing level will remain below surface. Some cloud later in the day as a weak cold front pushes down the coast for Tuesday. Good chance of some intermittent scattered flurries for Tuesday into Wednesday morning, with overcast skies and seasonable temperatures. May see some breaks Wednesday afternoon?  Models are not in agreement for most of the week. Going with the more precipitation interpretation. Hoping for more snow by Friday into Saturday, but it may be on the warm side! Guesstimates: Trace-1 cm by Tuesday morning, trace-2 cm by Wednesday morning, 0 cm by Thursday morning.

    GOES IR image from this am.

     Ridge of high pressure for today.

    Fronts along the coast.

    Weak front for Tuesday.

     Low will send cloud our way for Wednesday.


    Cowboy Ridge Sunday. MIN report below.

    Na cycle likely from Saturday night early Sunday morning.

    Na on Oboe                                                                                                        Johannes Esterle Pic

Thank you for running this amazing blog.

If you’re interested, here’s some pictures from the Cowboy ridge avalanche from Sunday, we were touring around 9am from hut when we noticed the whole face had slid (natural activity probably during the night).
We went to check out the crown of the most southern slide (see pictures).

When going back to the resort through Oboe traverse, we noticed 2 more slides on the NW face of Oboe (pictures) which seem to be a wind slab issue.

Hope this helps spreading awareness.


    Sunday morning. Looking at Cowboy Ridge. Min Report below.                                               Johannes Esterle Pic

    Cowboy Ridge.                                                                                                                         Johannes Esterle Pic

    View from Whistler! Avalanche control Sunday produced Sz 2-3 Xe, Xh, Xr. Sz 3 Na observed.

    DOA result

    DOA, most of the path.

    Lakeside Bowl.

    The Curl let go!!

    Whistler Bowl.

    West Cirque

    From Steep Creek on the Duffy. MIN Report below.                                            TSR.YAU  Pic


    Heli Bombing on Blackcomb Sunday.

    There were a few holes as well as significant results.

    Heli Bombing on Whistler Sunday.

   Results from Heli Bombing on Whistler Saturday./Sunday.

    Looks very much like winter has arrived!

From Avalanche Canada MIN Reports:

Cowboy Ridge: Dec 22, 2019

Steep Creek: Dec 22, 2019

Duffy Lake: Dec 22, 2019

Paul's Ridge: Dec 22, 2019


Heli Bombing on Whistler Sunday: Dec 22, 2019

Large Avalanche in Chandra Valley: Northern India


CP rail train hit by an avalanche east of Revelstoke: Glacier National Park

Yes, No, Maybe So: AvCan Forecasters Blog

Very Dangerous Avalanche Conditions in the Sea to Sky Corridor: Dec 22, 2019

Experts call for Ice Climbers to wear avalanche safety gear in the Mountains: CTV News

How to save yourself and rescue others if caught in a treewell: SnowBest

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