27 Feb 2019

February 25, 2019

YESTERDAY:

    Sunday morning, strong winds and blowing snow.

    A few clouds to the South.

    An awesome day, once the wind abated it was quite pleasant.

    Katabatic Winds

    Nice snow where it was blown in.

    A few clouds hanging around for most of the day.

    Near the end of the day.

    Sunday afternoon.


Weather Observations for February 25, 2019 taken at 06:00 Hours.

2240 meters     -17, Winds were 20-40 KPH NNE--Horstman Hut
2180 meters     -20, Winds were 30-45 KPH NNE--Whistler Peak
1860 meters     -17, Winds were 10-25 KPH NNW--Rendevous
1835 meters     -18, Winds were   5-15 KPH N--Round House
1650 meters     -17, 0 cm of new, 0 cm in 24 hrs, Base 250 cm--Pig Alley
1565 meters     -15, 0 cm of new, 0 cm in 24 hrs, Base 180 cm--Catskinner
  660 meters       -8, Valley Temp, Max temp Yesterday was +1.1, 0.0 mm of precip recorded yest

Wind chill at Whistler Peak at 06:00 Hrs at 35 KPH would be -33 Deg C.




FORECAST:

The Arctic Front will continue to bring cold dry weather in a Northeasterly flow aloft. This pattern will continue into the weekend with unsettled weather later in the week as the ridge weakens and some cloud will infiltrate the area from the South. Possibly some flurries on Wednesday into Thursday but time will tell. Looking like no, or little snow for at least 10 days..


    GOES IR image from this am, moisture to our South.

    Ridge will dominate the weather pattern today.

    500 Mb Model for Monday.





    Fronts along the coast.

    Clear and cold again on Tuesday.





    Warms up Wednesday, will likely see some clouds in the pm from the low to the South.


     Unsettled Thursday with some cloud spilling in from the Low to our South.




    AVALANCHE ACTIVITY:

    Less than Sz 1 solar induced point releases.

    Sa Sz 1 yesterday, several Sz 1 windslabs noted yesterday.

    Sz 1-1.5 windslabs on reverse loaded slopes.



    INFORMATION & OBSERVATIONS:

    Northerly wind transported snow in the morning, reverse loading.

    Sastrugi

    There were some good turns to be had in the backcountry.

    Aspect specific powder.

    Snow layers from the winter.

    Moderate hazard on Sunday.

    Backcountry was busy yesterday.

   Just a reminder,  your pass will be gone for one year if you are caught skiing a permanent closure.


    Big picture Sunday afternoon.





From Avalanche Canada MIN Reports:

Southside Bowl: Feb 23, 2019

Cloudburst Mtn: Feb 23, 2019

North Gin Peak: Feb 24, 2019

Sproatt: Feb 24, 2019

Blackcomb Backcountry: Feb 24, 2019




ARTICLES:

Rescuers search for missing skier after Austrian Avalanche: Reutte

More than 70 tourists stranded due to avalanches: Himachal Pradesh, India

Analysis of the Crans-Montana avalanche: Pistehors.com


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