23 Apr 2019

April 23, 2019


    YESTERDAY:

    Light snow Monday morning, at 11:00 Hrs it was 0 Deg C with the temps dropping.

    Very light snowfall in the morning.

    Challenging visibility in the alpine at times.                                                    Geordie Trussler Pic

    By 15:00 Hrs the temperature was -1 but did warm up later in the day.

    Multiple cloud layers.                                                                                        Geordie Trussler Pic

    Emerald Bowl heading to Sapphire Chutes.                                                        Wendell Moore Pic

    Rain soaked snow in the valley, + 7 Deg C as of 16:00 Hrs.

    18:00 Hrs, 0 Deg C.

    Another awesome day in the Caribbean.



Weather Observations for April 23, 2019, 2019 taken at 06:00 Hours.


2180 meters     -3, Winds were ? KPH SS-Whistler Peak
1835 meters  -0.5, Winds were ? KPH S--Round House
1650 meters    +1, trace of new, trace in 24 hrs, Base 230 cm--Pig Alley
  660 meters    +5, Valley Temp, Max temp Yesterday was +8.1, 8.1 mm of precip recorded yest

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



FORECAST:

A broad upper trough is moving East with lingering showers this morning in a Westerly flow aloft.
The FL will hover in the 2000 meter range with a drying trend and unsettled weather by this afternoon. A weak surface ridge will bring unsettled weather for Wednesday with a mix of sun and cloud. Another weak front for Thursday with the chance of some light intermittent showers with overcast conditions. Another weak ridge for Friday with mostly sunny weather with more unsettled weather into the weekend. Guesstimates: 1-3 mm of precipitation by Wednesday morning.


    GOES IR image from this am.


    Upper trough moving through this am with a drying trend by this afternoon. Still warm!!





    Fronts along the coast.


    High pushes in for Wednesday.





    Low will send a weak dry trough for Thursday.

    High and low will bring a mixed bag for Friday.





    AVALANCHE ACTIVITY:

    Locally, some isolated moist slabs formed yesterday. Snowballing and small wet loose releases.


    INFORMATION & OBSERVATIONS:

    Variable visibility in the morning.

    Visibility improved in the afternoon.

    Brief break later in the afternoon.                                                                      Geordie Trussler Pic

    Slush at the bottom.

    Gaper day on Blackcomb. Last day of the season.                                          Geordie Trussler Pic

     Merlin's was busy.                                                                                           Geordie Trussler Pic

Yesterday Catskinner weather plot received 6 cm of new snow during the day, 6.4 mm recorded at 14:30 Hrs with a temperature at that time of +0.5 Deg C. In approximately the same time frame, Pig Alley weather plot received 3 cm of new snow with 7.4 mm of precipitation. The temperature there was +1.5 Deg C. Catskinner is at 1570 meters while Pig Alley is at 1650 meters and the plots are 4.4 Km from each other. It happens!!!



ARTICLES:

No skill set could have prevented climber deaths in "avalanche like that" says Banff Official: CBC News

Climbers killed in Banff Avalanche had no avalanche beacons: Parks Canada

2 avalanches almost bury snowboarder: Spain

Demo of Easter Avalanche Conditions: Norway

Practise snowmobile safety says Wild Gross Morne: Newfoundland

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