25 May 2020

May 25, 2020

    PAST THREE DAYS:

    Friday May 22, 2020. 12:00 Hrs. + 12 at 660m. + 2.8 with a 20-30 KPH SSW wind at 1835m.

    Satellite image from same timeframe as above image.


    Big picture Friday afternoon.

    Saturday may 23, 2020. 14:00 hrs. + 16 at 660 m. +4.3 with a 5-10 KPH West breeze at 1835 m.

    Satellite image from same timeframe as above image.

    Big picture Saturday afternoon.

    Sunday May 24, 2020. 13:00 Hrs. + 15 at 660 m. + 6 with a 0-5 East breeze at 1835 m.

    Satellite image from same timeframe as above image.

    Big picture Sunday afternoon.


Weather Observations for May 25, 2020 taken at 06:00 Hours.

2240 meters     0, Winds were 40-50 KPH SE--Horstman Hut
2180 meters     0, Winds were 30-45 KPH SSW--Whistler Peak
1860 meters   +2, Winds were 10-20 KPH SE --Rendezvous 
1835 meters   +2, Winds were 10-15 KPH SE--Round House
1650 meters   +3, 8.0 mm in 12 Hrs, 9.7 mm in 24 Hrs, Base 142 cm --Pig Alley
1560 meters   +3, 4.3 mm in 12 Hrs, 6.0 mm in 24 Hrs, Base 73 cm--Catskinner
  660 meters   +9, Valley Temp, Max temp Yesterday was +16.6, 1.7 mm of precip yesterday.


FORECAST:

A weak upper level shortwave trough will push through today/tomorrow with some lingering showers in its wake. Mostly cloudy today in a moist Westerly flow aloft. Dry periods this morning into this afternoon with some more showers later in the afternoon into Tuesday. An upper level ridge begins to build Tuesday evening into Wednesday. The ridge will bring a combination of sun and some cloud until Friday. More weather by Sunday but will update in Friday's post. Guesstimates: 2-6 mm by Tuesday morning, 1-4 mm by Wednesday morning, 0 mm by Thursday morning, 0 mm by Friday morning.



    GOES IR image from this am.

     Weakening trough pushes through today.





    Fronts along the coast.

     Remnants of Monday's trough will bring periods of light precipitation, high begins to push in.




      High pressure for Wednesday with a deep low to our North.



     High pressure again for Thursday but could see some cloud spillin from the low to the North.




    AVALANCHE ACTIVITY:

    New images from D 3.5 avalanche in Montana. Click> Yellowstone Club from May 19, 2020.

    Possibly a few new Sz 1 wet loose Friday, variable visibility made it hard to view.

    Variable alpine visibility on Saturday, no new recent avalanches observed locally.

    Obscured skies in the alpine for most of the day, no new avalanche activity observed.

    Avalanche activity on Mt Hood, 2 people rescued in 23 hrs. Article below. May 22-23.   CCSO Pic




    INFORMATION & OBSERVATIONS:

    Overcast Friday morning.

    Cool alpine temperatures have slowed down the melt. Green Lake water level has dropped.

    A few breaks Friday evening.

    Saturday morning, cool and cloudy but dry!!

    Not much snow left at mid mountain elevations.

    Bears are loving the Dandelion crop.

    Tantalus Range Saturday afternoon.

    Sunday morning, periods of light rain.

    Better visibility later in the afternoon, but back to showers at dusk on Sunday.




VIDEOS:

Avalanche Scene: Inception

Most recent Fraser Valley Farm forecast-May 19, 2020: David Jones



ARTICLES:

High avalanche danger on Mt Hood-Crews rescue 2 climbers in 23 hrs: Oregon

Loved ones remembered how 3 killed in Silver Mountain avalanche sought adventure, spread goodwill: Spokesman Review

"It's just overtaking me"--Those who survived the deadly Silver Mountain avalanche say it offers a painful lesson: Spokesman Review

Vail Resorts will not reopen this spring. Summer operations will begin late June/Early July: Snowbrains

NASA snow campaign wraps 2020 survey: NASA

Las Lenas will not have a Ski Season this Year: Powder

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