20 Apr 2019

April 20, 2019


    YESTERDAY:

    09:00 Hrs Friday morning, 0 Deg C with a SW wind at 15-30 KPH.

    Same time in the valley it was +7 Deg C and raining lightly.

    Image from 09:15 Hrs Friday morning.

    11:30 am still obscured.

    15:00 Hrs

    Friday afternoon.

      Sunny periods in the afternoon.                                                               Geordie Trussler Pic


    Breaking by 17:00 Hrs.

    19:00 Hrs.



Weather Observations for April 20, 2019, 2019 taken at 05:00 Hours.

2240 meters     -5, Winds were 10-15 KPH NNE--Horstman Hut
2180 meters     -5, Winds were 10-15 KPH NNE--Whistler Peak
1860 meters     -3, Winds were 5-10 KPH NNE--Rendevous
1835 meters     -3, Winds were 5-10 KPH NNE--Round House
1650 meters     -1, ? cm of new, 0 cm in 24 hrs, Base 232 cm--Pig Alley
1565 meters     -1, ? cm of new, 0 cm in 24 hrs, Base 164 cm--Catskinner
  660 meters    +3, Valley Temp, Max temp Yesterday was +12.7, 5.7 mm of precip recorded yest



FORECAST:

An upper level trough has pushed East with a building ridge bringing sunny skies in a Northerly flow aloft. The FL will hover in the 2200 meter range for Saturday. Unsettled weather Sunday morning, with increased cloud cover as the day progresses. A chance of an isolated shower in the afternoon.  The next front pushes onshore with periods of precipitation and seasonable temperatures on Monday into Wednesday. The Fl will hover in the 2000+ meter range for most of the week. A drying trend is forcasted for Thursday into next weekend, but more on that as we closer.
Guesstimates: 0 mm by Sunday morning, trace-1 mm by Monday morning, 5-10 mm by Tuesday morning.





    High pressure pushes in from the Pacific today.





    Fronts along the coast.

    High pressure Sunday morning gives way to cloud development in the afternoon.





     Low to the North slides down the coast for Monday.

    Low and high mix for a warm wet day on Tuesday.




    AVALANCHE ACTIVITY:

    Update on the avalanche at Howse Peak. Article Below.                                                 Net Pic


    Locally, avalanche control produced Sz 1-2 wet slabs, wet loose Xc Xe. Some Na Sz 1 wet loose.



    INFORMATION & OBSERVATIONS:

    Not a busy day for upload.

    Friday morning, 0 Deg C at the top of Glacier Express Lift.


    Sunny breaks in the valley by 17:00, + 10 Deg C.

    Big picture Friday afternoon.

    Sunny breaks in the afternoon.                                                                   Geordie Trussler Pic

    Just before sunset.


ARTICLES:

Update on Howse Peak Avalanche: Canadian Rockies

Is it good or bad to use a dynamite-triggered avalanche for an apple add: Motherboard

Northwest Weather Workshop: May 3, 2019

Teton Backcountry Alliance releases survey to measure backcountry user conflict on Teton Pass: Wyoming

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