9 Dec 2019

December 9, 2019

    YESTERDAY:

    Sunday December 8, 2019. 13:00 Hrs. -1.2 Deg C with a 5-10 KPH South breeze.

    Awesome morning.

    Sunday afternoon.

    Big picture Sunday afternoon.


Weather Observations for December 9, 2019 taken at 06:00 Hours.

2240 meters      -1, Winds were 15-25 KPH N--Horstman Hut
2180 meters       0, Winds were 10-20 KPH NNW--Whistler Peak
1860 meters       0, Winds were   5-10 KPH NNE --Rendevous 
1835 meters       0, Winds were   5-10 KPH S--Round House
1650 meters      -3, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base 39 cm --Pig Alley
1560 meters .    -1, 0 cm in 12 Hrs, 0 cm in 24 Hrs, Base   9 cm--Catskinner
  660 meters      -2, Valley Temp, Max temp Yesterday was +2.1, 0.0mm of precip yesterday.


FORECAST:

The upper level ridge will bring mostly sunny skies in a Northerly flow aloft. The freezing level could reach 2200+ meters with an inversion. We will likely see some clouds near the end of the day. A weak front will arrive Tuesday afternoon with the possibility of some light intermittent flurries. More snow for Wednesday afternoon with a small forntal band, continuing into Thursday.
Guesstimates: 0 cm by Tuesday morning, 1-2 cm by Wednesday morning, 2-4 cm by Thursday morning.


    GOES IR image from this am.


    High pressure for today.







    Fronts along the coast.

     Weak front for tuesday.





     Weak frontal band for Wednesday.





    AVALANCHE ACTIVITY:

    An avalanche has killed a woman in Colorado. Article below.                       File Pic by C Dennee

    2 snowmobilers went for a ride near Logan, Utah. Article below.                                 UAC Image


    INFORMATION & OBSERVATIONS:

    Slowly filling in but we could use a meter or two soon!!!

    High in the valley yesterday was +2.1 Deg C.

   There is alot of green in this image.




FROM AVALANCHE CANADA MIN REPORTS:

Local Observations: Dec 8, 2019


Local observations and Avalanche Control:

Sz 1-2 winslabs with explosives control and cornice drops yesterday.
Some Sz 1-1.5 Na (natural) avalanches observed in the Sea to Sky Corridor.



VIDEOS:

Egan Basin Avalanche, Utah: Dec 7, 2019



ARTICLES:

Fort Collins woman killed in an avalanche on South Diamond Peak: Colorado

Calgarian has close call with avalanche while running in the Rockies: Lake Louise

Skier triggered inbounds wind slab avalanche: Mammoth, Calif.

2 snow mobilers rescued after being caught, carried by an avalanche on Idaho-Utah Border: Logan, 
Utah

10 Safety personnel caught in an avalanche in Kargil: Northern India

CDOT shifting toward safer methods for protecting busy highways from avalanches: Colorado

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