15 May 2020

May 15, 2020

   Past 4 Days:

    Monday May 11, 2020. 13:00 Hrs. + 21 at 660 m. + 11.4 with a 5-10 KPH ENE breeze at 1835 m.

    Satellite image from the same timeframe as above image.


    Big picture Monday afternoon.


    Tuesday May 12, 2020. 12:00 Hrs. + 15 at 660 m. + 5.6 with a 5-10 WSW breeze at 1835 m. 

    Satellite image taken at same timeframe as above image.

    Big picture Tuesday afternoon.

    Wednesday May 13, 2020. 12:00 Hrs. + 12 at 660 m. +2.2 with a 10-20 West wind at 1835m.

    Satellite image from the same timeframe as above image.

    Wednesday afternoon.

    Thursday May 14, 2020. 16:00 Hrs. + 18 at 660 m. + 7.1 with a 15-25 KPH SW wind at 1835 m.

    Satellite image from same timeframe as above image.

    Big picture Thursday afternoon.



Weather Observations for May 15, 2020 taken at 06:00 Hours.

2240 meters    -2, Winds were 10-15 KPH SW--Horstman Hut
2180 meters    -1, Winds were  5-10 KPH SW--Whistler Peak
1860 meters   +1, Winds were  5-10 KPH SE --Rendezvous 
1835 meters   +1, Winds were  5-15 KPH ESE--Round House
1650 meters   +2, 0.3 mm in 12 Hrs, 0.3 mm in 24 Hrs, Base 184 cm --Pig Alley
1560 meters   +2, 0.2 mm in 12 Hrs, 0.2 mm in 24 Hrs, Base 103 cm--Catskinner
  660 meters   +7, Valley Temp, Max temp Yesterday was +18.1, trace of precip yesterday.



FORECAST:

A weak upper level ridge will bring a mix of sun and cloud today in a Southwesterly flow aloft. The freezing level will hover in the 2000-2400 meter range. On Saturday an upper level low will bring periods of light precipitation to our zone for most of the day. A few showers at around 08:00 Hrs then steady precip just before noon on Saturday. Light rain into Sunday morning, easing by Sunday evening with a drying trend into Monday. More on next weeks forecast in Monday's post. Guesstimates: 0-trace by Saturday morning, 8-12 mm by Sunday morning, 4-8 mm by Monday morning.


    GOES IR image from this am.


    Deep low to the Northwest, weak high to the South. Dry unsettled weather for today.





    Fronts along the coast.

     Low brings a trough with light precipitation on Saturday.





     Low continues to bring periods of light precipitation on Sunday.



    AVALANCHE ACTIVITY:

    Opal Bowl Monday morning. Old activity.

    Monday Alpenglow, Chainsaw Ridge. Old Debris.

    An avalanche has killed a ski mountaineer in Italy. Article below.            CNSAS Lombardia Image

    Mountain Peaks were obscured most of the day Tuesday.

    Boomer Bowl on Wednesday. Limited alpine visibility.

    Thursday morning, no new activity.

    Northeast aspect on Rainbow Mountain Thursday.


    Two soldiers have died in an avalanche in Northern India. Article below.                             Net Pic



    INFORMATION & OBSERVATIONS:

    Early Monday morning, May 11, 2020.

    Monday afternoon. Cloudier as the day progressed.


    Cloudy Tuesday morning into the afternoon.

    Some nice sunny breaks later Tuesday afternoon.

    Sunset was at 20:47 Hrs on Tuesday.

    Wednesday morning, mostly cloudy with some breaks. Isolated showers in some areas of the valley.

    Water level slightly lower than on Tuesday. Green Lake.

    From 06:00 to 18:00 Hrs, May 13th. 5.1 mm recorded at 1650 meters. 0.0 mm recorded at 660 m. 

    Thursday morning. Mix of sun and cloud all day.

    Green Lake is filling up.




VIDEOS:

Mondays Fraser Valley weather report: David Jones

Thursdays Fraser Valley weather report: David Jones  



ARTICLES:

An avalanche has killed a ski  mountaineer in the Valtellina District: Italy

Avalanche hits Indian Army patrol in Sikkim, two soldiers were killed: Northern India

Avalanche victims body found: Northern India

ENSO Report-May 14, 2020: NOAA

I Miss Skiing. I Miss My Ski Partners More: Powder

Alberta Professor crafts online avalanche course using playmobil characters: Global News

NASA's Icesat 2 measures Arctic Ocean's sea ice thickness, snow cover: Science Daily

IRI ENSO Forecast: May 14, 2020

Large snowpack, avalanche debris force cancellation of Hardrock 100 endurance race: Colorado

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