16 Apr 2020

April 16, 2020

    YESTERDAY:

    Early Wednesday morning.

    Another beauty day.

    Wednesday morning, ice is gone from the South end of Green Lake.

    Blue Bird morning.


    Wednesday April 15, 2020. 13:00 Hrs. +16 at 660 m. +3.3  with a 15-35 KPH ENE at 1835 m.


    Satellite image from same timeframe as above image.

    Big picture Wednesday afternoon.

    A few clouds moved in during the early afternoon.

    Clouds dissipated by the evening.

    Blue Bird later in the afternoon.

    Last light.


Weather Observations for April 16, 2020 taken at 06:00 Hours.

2240 meters    -3, Winds were 10-15 KPH WNW--Horstman Hut
2180 meters    -2, Winds were 10-15 KPH WNW--Whistler Peak
1860 meters    -2, Winds were   5-10 KPH E --Rendezvous 
1835 meters    -1, Winds were     0-5 KPH E--Round House
1650 meters    -2, 0 cm in 12 Hrs,   0 cm in 24 Hrs, Base 240 cm --Pig Alley
1560 meters    -1, 0 mm in 12 Hrs, 0 mm in 24 Hrs, Base 164 cm--Catskinner
  660 meters    -2, Valley Temp, Max temp Yesterday was +16.1, 0.0 mm of precip yesterday.

    Groundhog Day, as of 07:00 Hrs this am we have clear skies and unlimited visibility.


FORECAST:

Upper level ridge brings another sunny warm day in a Northeast flow aloft. The freezing level will peak well above the local peaks today and come down to around 2000 meters tonight. A shortwave trough will bring cloudy weather tomorrow with periods of light precipitation into early Saturday morning. Unsettled Saturday with a mix of sun and cloud. Ridge rebuilds for sunny weather Sunday and Monday. An upper level low will start a transition to cooler wetter weather on Tuesday. Mostly cloudy on Tuesday with light/moderate precipitation arriving Wednesday. Unsettled Thursday and Friday with more sun by Saturday. Guesstimates: No precipitation until Friday, 3-5 mm by Saturday morning.


    GOES IR image from this am.


    High brings another Sunny day.





    Fronts along the coast.


    High moves to the Northwest allowing cloud to spill in with some periods of light precipitation.





     Unsettled Saturday with a mix of sun and cloud.



    AVALANCHE ACTIVITY:

    Update on the avalanche which broke both legs of victim. Article below.                           CAIC Pic

    Recent activity in Idaho. Click> Sawtooth Avalanche Center for latest info.

    There is enough snow in the coastal mountains which could bring a moderate spring cycle.

    Recent wet loose below treeline.

    No new avalanches to report on Whistler. Some small loose wet on lower steep solar aspects.


    INFORMATION & OBSERVATIONS:

    Spindrift early Wednesday morning. Strong Northerly outflow.

    Silt from Fitzsimmons Creek flowing into a very Blue Green lake.

    Fresh ice from early Wednesday morning.

    Still some ice on the North end of Green Lake.

    Mount Currie Wednesday afternoon.

    No new avalanche debris over the past week. Guess we need warmer temperatures.


Local Submissions:

No new submissions.


VIDEOS:

Snow in Montana: Avalanche Guys

Season Recap: Utah Avalanche Center


ARTICLES:

Update on the avalanche involvement that injured a snowmobiler on April 7, 2020: Colorado

Himalayas visible for first time in 30 years for some parts of India: Drop in Pollution

Parks Canada extends closures until at least end of May: Free Press

Avalanche Airbag Packs are a key piece of Backcountry Safety Gear: Powder

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