4 Dec 2019

December 4, 2019

    YESTERDAY:

    Tuesday December 3, 2019. 11:00 Hrs. 0 Deg C with a 30-60 KPH South wind.

    Above the valley cloud.

    Tuesday afternoon.

    Bigger picture on Tuesday.




Weather Observations for December 4, 2019 taken at 06:00 Hours.

2240 meters      -3, Winds were 55-75 KPH  SE--Horstman Hut
2180 meters      -3, Winds were 45-70 KPH SSW--Whistler Peak
1860 meters      -1, Winds were 15-40 KPH S --Rendevous 
1835 meters      -1, Winds were  15-40 KPH SSW--Round House
1650 meters     +1, 7 cm in 12 Hrs, 7 cm in 24 Hrs, Base 39 cm --Pig Alley
1565 meters .     0, 4 cm in 12 Hrs, 4 cm in 24 Hrs, Base   8 cm--Catskinner
  660 meters     +4, Valley Temp, Max temp Yesterday was +4.6, 5.9 mm of precip yesterday.

 7.3 mm at 1650 m in 12 hrs, 9.3 mm in 24 hrs.

   As of 07:00 Hrs this am we have overcast skies, variable visibility and it is snowing.




FORECAST:

A weakening cold front will slowly slide South today with weak ridging this afternoon into Thursday. Mostly cloudy with tapering showers this morning, likely some sunny breaks by this afternoon in a Westerly flow aloft.. The freezing level should slowly drop back down to surface by tonight. Unsettled Thursday with a mix of sun and cloud. An upper level low off the Oregon coast will push North Thursday night into Friday with another warm front and light precipitation.  Cloudy and dry for Saturday before some ridging for Sunday into Monday. Guesstimates: Trace-2 cm by Thursday morning. 2-4 cm by Friday morning above 1400 meters, 2-4 cm by Saturday morning.


    GOES IR image from this am.

    A weak ridge will build for today, mostly cloudy with some breaks this afternoon.





    Fronts along the coast.

     Unsettled Thursday with some clouds from the low to the SW.





          Upper level low affecting the South Coast on Friday. Warm with light precipitation.


    AVALANCHE ACTIVITY:

   Two avalanches have killed 4 soldiers in Northern India. Article below.                          Net File Pic


    Two snowshoers went for a ride in the San Juan Mountains. Article below.         CAIC Image



    INFORMATION AND OBSERVATIONS:

    Tuesday morning.

    View from the valley, there were some breaks in the rain during the day.

    High at 1835 meters yesterday was 0 Deg C.

    High in the valley on Tuesday was +4.6 Deg C.



ARTICLES:

Four soldiers killed in two avalanches in Northern India, Dec 3rd: Kupwara District

Two snowshoers were caught in an avalanche in the San Juan Mtns: Colorado

Local backcountry advisory is always available on the side bar: December 4, 2019

High avalanche risk in Glacier National Park: Parks Canada

Avalanche control on Hwy 1 today, closures from 9 am to 1 pm: Revelstoke

Skier triggers weekend avalanche on Rabbit Ears: Steamboat CO

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