11 May 2020

May 11, 2020

    Past 3 Days:

    Friday May 8, 2020. 14:00 Hrs. + 21 at 660 m. + 10 with a 5-15 KPH SSW wind  at 1835 m.

    Satellite image from same timeframe as above image.

    Big picture Friday afternoon.

    Saturday May 9, 2020. 12:00 Hrs. +19 at 660 m. + 10.2 with a 5-10 KPH SSW wind at 1835 m.

    Satellite image from same timeframe as above image.

    Big picture Saturday afternoon.

    Sunday May 10, 2020. 12:00 Hrs. + 22 at 660 m. +10.7 with a 5-10 KPH NNE wind at 1835 m.

    Satellite image from same timeframe as above image.

    Big picture around noon on Sunday.

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

2240 meters   +2, Winds were 5-10 KPH NE--Horstman Hut
2180 meters   +3, Winds were 5-10 KPH N--Whistler Peak
1860 meters   +5, Winds were   0-5 KPH ESE --Rendezvous 
1835 meters   +4, Winds were 0-10 KPH SSW--Round House
1650 meters   +5, 0 mm in 12 Hrs, 0 mm in 24 Hrs, Base 196 cm --Pig Alley
1560 meters   +5, 0 mm in 12 Hrs, 0 mm in 24 Hrs, Base 122 cm--Catskinner
  660 meters   +6, Valley Temp, Max temp Yesterday was +24.8, 0.0 mm of precip yesterday.


An upper low will bring a mix of sun and cloud this morning, increase in cloud cover by this afternoon in a light Northerly flow aloft. The freezing level will slowly drop from around 3000 meters to 2500 meters by tonight. Periods of light precipitation will begin around midnight today continuing into early tomorrow morning. Unsettled weather for Tuesday as a weak trough pushes through into Wednesday. The upper trough will push onshore Thursday for another unsettled day with periods of light precipitation. A weak ridge is forecasted to build for Friday, with unsettled weather again for Saturday. More on the weekend forecast discussion in Friday's post. Guesstimates: 4-8 mm by Tuesday morning, 2-4 mm by Wednesday morning, 1-3 mm by Thursday morning, 1-3 mm by Friday morning.

    GOES IR image from this am.

     Upper low sending cloud our way for today.

    Fronts along the coast.

     Weak trough from the upper low will bring periods of light precipitation Tuesday.

     Unsettled Wednesday as the low continues East.

     Unsettled Thursday with a chance of some showers.


    Recent activity on Phalanx  Ridge. Image taken Friday morning.

    Avalanche activity on Overlord Glacier.

    Wet loose on Overlord Glacier. Taken Friday.

    Old activity on the Duffey Lake Road. Taken Saturday.

    Recent activity on the Duffey Lake Road.

    Armchair Saturday evening..

    West Bowl Saturday.

    Whistler Bowl Sunday afternoon.


    Friday morning, yet another groundhog day.

    Armchair Friday morning.

    Osprey chilling near Green Lake.

    A few high clouds on Saturday morning.

    Horstman Glacier Saturday morning.

    High cloud Saturday evening.

   Sunday morning.

    More than a few turns, image taken Sunday morning.

    Mid day cloud on Sunday.

    Alpenglow Sunday night.


Snow Guardians: Trailer

Farm Forecast for the Fraser Valley: David Jones


2 Killed, 1 wounded in Salang pass avalanche: Afghanistan

An avalanche has killed a man near Cortina: Italy

At least two killed in separate avalanches in: Northern Italy

Avalanches have killed 2 people in the Alps:  Switzerland

Rescuers recover avalanche victim on Pshanvelin-Omala Road: Georgia

Why all snowshoers should be avalanche aware: Snowshoe Magazine

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