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

19 Apr 2019

April 19, 2019


    YESTERDAY:

    Sunrise was at 06:13 hrs on Thursday morning.

    Snow in the trees.

    +5 Deg in the valley in the am.

    Moist wet at 12:00 Hrs. +3.3 Deg C,  20-40 KPH SE at 1860 Meters.

    Some wet snow at 1835 meters in the afternoon.

    18:30 Hrs.



Weather Observations for April 19, 2019, 2019 taken at 06:00 Hours.

2240 meters     -1, Winds were 45-60 KPH S--Horstman Hut
2180 meters     -1, Winds were 35-50 KPH S--Whistler Peak
1860 meters    +1, Winds were 15-30 KPH SE--Rendevous
1835 meters    +1, Winds were 10-15 KPH Var--Round House
1650 meters    +2, 0 cm of new, 0 cm in 24 hrs, Base 234 cm--Pig Alley 13.7 mm of rain
1565 meters    +2, 0 cm of new, 0 cm in 24 hrs, Base 165 cm--Catskinner 7.7 mm of rain
  660 meters    +7, Valley Temp, Max temp Yesterday was +7.4, 16.5 mm of precip recorded yest

Maximum wind gust early this am was 120 KPH at 03:30 Hrs.

    As of 07:00 Hrs this am we have overcast skies, variable visibility and light rain.



FORECAST:

A weakening front will bring overcast conditions and light precipitation in a West to Southwesterly flow aloft. The Fl will top out at around 2000 meters. Ridging for early Saturday morning will bring mostly sunny skies for Saturday with warm temperatures and the FL hovering in the 2200 meter range. The ridge breaks down on Sunday for unsettled weather before the next frontal band moves in for Monday into Tuesday. Warm temperatures will prevail into the middle of next week.
Guesstimates: 2-6 mm by Saturday morning.



    GOES IR image from this am.


     Low continues to end clouds our way for Friday. Warm!!!





    Fronts along the coast.


    High builds for Saturday with warm sunny weather.





    Low from the North will bring unsettled weather for Sunday as the High breaks down.

    Low will send another front our way Monday. Still warm!!!




    AVALANCHE ACTIVITY:

    An avalanche has killed three climbers on Howse Peak, article below.            David Lama Pic



    INFORMATION & OBSERVATIONS:

    Obscured in the alpine yesterday.

    Wet, warm and windy.

    Max temperature of +7.4 in the valley yesterday.


VIDEO FRIDAYS:

Slab Avalanche: Spanish Pyrenees

Wet Avalanche: Russia

Snow Devil: Colorado

Avalanche Control: Mammoth Mtn.



ARTICLES:

3 believed killed in Banff National Park Avalanche: Global News

The Final countdown: Avalanche Canada

Watch out for un-exploded avalanche charges: CDOT to Hikers

Avalanche warning and Info: Chamonix

18 Apr 2019

April 18, 2019

    YESTERDAY:

    Sunrise over Ontario from 30,000 Ft.

    Early Wednesday morning.

    12:30 Hrs Wednesday, -2 Deg C, 25-50 KPH from the SW.

    There were a few brief breaks yesterday.                                                           Kary Firstbrook Pic

    Multiple cloud layers.

    Wednesday afternoon.

    18:00 Hrs. Almost can see across the valley.

    19:00 Hrs not much change mostly overcast.


Weather Observations for April 18, 2019, 2019 taken at 06:00 Hours.

2240 meters     -1, Winds were 35-45 KPH SE--Horstman Hut
2180 meters     -1, Winds were 40-50 KPH S--Whistler Peak
1860 meters    +1, Winds were 20-35 KPH E--Rendevous
1835 meters    +1, Winds were 15-25 KPH S--Round House
1650 meters      0, 4 cm of new, 5 cm in 24 hrs, Base 240 cm--Pig Alley (6.9 mm)
1565 meters      0, 4 cm of new, 5 cm in 24 hrs, Base 170 cm--Catskinner (5.5 mm)
  660 meters    +5, Valley Temp, Max temp Yesterday was +12.6, 0.8 mm of precip recorded yest


    As of 07:00 Hrs this am we have obscured skies, variable visibility and snowing very lightly. 



FORECAST:

A strong pacific frontal system will push into the area with light to moderate precipitation and moderate winds in a Westerly flow aloft. The FL will rise to 2200 + meters, dropping back down to 1400 meters by Friday night.  The front will ease off Friday morning with a ridge building for the afternoon into the weekend with seasonably mild temperatures. Wet, warm, and windy until sunny weather for the weekend. More wet weather on the way for early next week.
Guesstimates: 15-25 mm by Friday morning, 10-15 mm by Saturday morning. Heavy wet snow in the alpine.


    GOES IR image from this am.


    Low to the North will send moderate precip with moderate winds for today.

     500 MB image for this afternoon.







    Fronts along the coast.


    North Pacific.


    High pushes in Friday morning into the afternoon.







    High strengthens for Saturday.

    Warm high over the area for Sunday.




    AVALANCHE ACTIVITY:

    Locally, not much to report, 1 Sz 1 Sa wet slab on steep NW aspect.





    INFORMATION & OBSERVATIONS:

    Mostly cloudy with unlimited visibility at 12:30 Hrs Wednesday.

    In the alpine.                                                                                                          Kary Firstbrook Pic

    Pay attention to what is above you!!

    Looking up at the Saddle.                                                                                    Kary Firstbrook Pic

    In the valley it was +11 Deg C at noon.

    Big picture Wednesday afternoon.

    Overcast later in the afternoon.


ARTICLES:

No more funding, no more forecasts: VIAC

Mt Bachelor Ski Patroller triggers avalanche, brifly buried: Oregon

Tips for Backcountry Skiing in the Spring: HikeforPow

Plans revealed for new 3.5bn Ski Resort just 45 minutes from Whistler: The Telegraph

Meet the guys who want to build a ski resort without the chairlifts: Adventure Journal