11 Mar 2020

March 11, 2020

    YESTERDAY:

    Early Tuesday morning. Snowing lightly.

    09:00 Hrs at 2240 meters, 60-85 KPH winds out of the East. Max gust yesterday was 113 KPH.

    Tuesday March 10, 2020. 12:00 Hrs. -5.3 Deg c with a 20-70 KPH SE wind.

    Flags were flapping.

    Satellite image from around the same time frame.

    Big picture Tuesday afternoon.

    Those that were out and about were enjoying the new snow.

    Snowing in the valley Tuesday afternoon.



Weather Observations for March 11, 2020 taken at 06:00 Hours.

2240 meters    -10, Winds were 10-20 KPH W--Horstman Hut
2180 meters      -9, Winds were 10-20 KPH W--Whistler Peak
1860 meters      -8, Winds were calm KPH Var --Rendezvous 
1835 meters      -7, Winds were calm KPH Var--Round House
1650 meters      -6, 1 cm in 12 Hrs, 3 cm in 24 Hrs, Base 262 cm --Pig Alley
1560 meters      -6, 3 cm in 12 Hrs, 6 cm in 24 Hrs, Base 185 cm--Catskinner
  660 meters      -1, Valley Temp, Max temp Yesterday was +0.6, 4.6 mm of precip yesterday.

Wind must have affected the snow boards on Tuesday at Pig Alley. 12.2 mm in 24 Hrs.


    As of 07:00 Hrs this am we have broken cloud and unlimited visibility.



FORECAST:

Unsettled weather for today with a few brief sunny breaks this morning, some flurries this am, and a mix of sun and cloud this afternoon in a West- Northwest flow aloft. Weak ridging will bring some breaks this afternoon, the freezing level will rise to 1000 meters then drop back to the surface tonight. A very weak dry front will push through on Thursday with mostly cloudy skies. Some light precipitation is forecasted for early Friday morning with more dry cloudy weather for the remainder of the day. Unsettled for Saturday with a mix of sun and cloud. Ridge builds for Sunday into early next week. Guesstimates: trace-2 cm by Thursday morning, trace-2 cm by Friday morning, trace-2 cm by Saturday morning.


    GOES IR image from this am.


     Weak front moves to the Southeast, weak ridging for this afternoon.





    Fronts along the coast.

     Weak dry front for Thursday.





    8Weak front with cloudy skies for Friday with some cold air from the Arctic front.




    AVALANCHE ACTIVITY:

    An avalanche at Hatcher Pass, AK has killed a snowboarder. Article below.                        Net Pic

    Wind slab was developing as the day progressed.

    Round House Roll Sc

    Hazard was building with strong winds at tree line.




   INFORMATION & OBSERVATIONS:

    Difficult visibility in the alpine.

    Moderate hazard Tuesday morning.

    Not many people hiking into the glacier.

    Whistler alpine lifts were closed.

    Yesterday Nesters weather plot 660 meters received 4.6 mm of precipitation.

    Catskinner weather plot 1570 meters received 4 cm from 06:30-14:30 hrs, Base 185 cm. 4.2 mm

    Pig Alley weather plot at 1650 m received 2 cm ?? from 06:00-14:00 Hrs. Base 263 cm. 5.3 mm





AVALANCHE CANADA MIN REPORTS:




VIDEOS:

Avalanche Run: Verbier

Solo Rider has a close call with: Avalanche

Whistler weather with meteorologist: David Jones


ARTICLES:

17 year-old snowboarder dies in an avalanche at Hatcher Pass: Alaska

5 killed as avalanche hits Pak Hill Station: Pakistan

Report on avalanche fatality by Hatcher Pass Avalanche Centre: HPAC

Highway 1 closed for avalanche control yesterday and today: Revelstoke

Coronavirus brings a premature end to the ski season: Italy

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