18 Apr 2020

April 18, 2020


    Overcast early Friday morning, clouds moved in very quickly.

    A bit nicer to the South in the am.

    Spotty moisture in the am.

    Light showers on Green Lake.

    Clouds lifted later around noon.

    Unsettled for most of the afternoon.

    Friday April 17, 2020. 14:00 Hrs.  +14 at 660 m. +4.2 with a 5-15 SW wind at 1835m.

    Satellite image from same timeframe as above.

    Big picture Friday afternoon.

    Mostly cloudy before sunset.

    Wedge was shrouded in cloud.

Weather Observations for April 18, 2020 taken at 06:00 Hours.

2240 meters    -2, Winds were 30-40 KPH NNE--Horstman Hut
2180 meters    -2, Winds were 25-35 KPH N--Whistler Peak
1860 meters     0, Winds were 10-20 KPH NNE --Rendezvous 
1835 meters     0, Winds were   5-15 KPH E--Round House
1650 meters   +1, trace in 12 Hrs,   trace in 24 Hrs, Base 234 cm --Pig Alley
1560 meters   +1, 0 mm in 12 Hrs, 0 mm in 24 Hrs, Base 161 cm--Catskinner
  660 meters   +1, Valley Temp, Max temp Yesterday was +15.6, 0.0 mm of precip yesterday.

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


Unsettled weather for today with the weak upper low slowly exiting to the South and a high pressure pushing back in from the West. The flow will become Northeasterly this morning. The freezing level will rise to 2200 meters today. Ridge strengthens for tomorrow with more sun than cloud. Ditto for Monday with warm temperatures. Program changes on Tuesday with a series of frontal bands driven by an Aleutian low bringing periods of light precipitation into Thursday. A break with unsettled weather Friday before a real wet front arrives on Saturday. Guesstimates: No precipitation until Tuesday. So far this month we have received 2.9 mm of rain at the Nesters Weather Station.

    GOES IR image from this am.

     Unsettled weather for today with a mix of sun and cloud.

    Fronts along the coast.

     High back in control for Sunday.

     Enjoy the weather Monday, change coming Tuesday.


    A skier was caught but not injured in an avalanche at Aspen Ski Resort. Article below.    CAIC Pic

       Dangerous Avalanche Conditions <click in Southcentral Alaska.                            CAC Pic

     Locally not much change, old wet loose debris.

    On Whistler a couple of cornice noses dropped but no avalanches reported.


    A diving female Golden Eye.

    A few patches of blue to the South.

    Some nice light on Whistler Peak.

    High at 660 meters on Friday was +15.6 Deg C.

Local Submissions:

No new local submissions.


Human Triggered avalanche in Utah: Guild Line

Outrunning an avalanche: Oregon

Farm Forecast with meteorologist: David Jones


Skier caught in an avalanche in Highland Bowl, Aspen Ski Resort yesterday, no injuries: Colorado

Another article on the skier caught and killed in CO avalanche: Teton Gravity Research

Austria to allow ski touring to resume May1st: SnowHunter

Always use protection--Difference between avalanche bag companies: LocalFreshies

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