20 Jul 2020

July 20, 2020

    PAST WEEK:

    Monday July 13, 2020. 12:00 Hrs. + 6.1 with a 10-15 West wind. + 19 in the valley.

    Satellite image from the same timeframe as above.

    More moisture on the way in the Northwest Pacific.

    Tuesday July 14, 2020. 13:00 Hrs. +12.4 with a SW 10-15 KPH breeze. + 23 in the valley.

    Satellite image from same timeframe as above image.

    Wednesday July 15, 2020. 12:00 Hrs. + 13.5 Deg C with a 10-20 KPH W wind. + 23 in the valley.

    Satellite image from the same timeframe as above image.

    Thursday July 16, 2020. 12:00 Hrs. + 11 Deg c with a 20-35 KPH SW wind. + 21 in the valley.

    Satellite image from the same timeframe as above image.

    Friday July 17, 2020. 13:00 Hrs. + 10 Deg c with a 10-15 KPH SW wind. + 21 in the valley.

    Satellite image from the same timeframe as above image.

    Saturday July 18, 2020. 12:00 Hrs. + 12.2 Deg C with a 5-10 KPH W breeze. + 22 in the valley.

    Satellite image from same timeframe as above image.

    Sunday July 19, 2020. 12:00 Hrs. + 12.6 Deg c with a 5-10 KPH SW wind. + 24 in the valley. 

    Satellite image from same timeframe as above image.


Weather Observations for July 20, 2020 taken at 06:00 Hours.

2180 meters    +11, Winds were 0-10 KPH NNE--Whistler Peak
1835 meters    +13, Winds were 0-10 KPH NNW--Round House
1650 meters    +12, 0.0 mm of rain, 0.0 mm in 24 hrs. --Pig Alley
  660 meters    +12, Valley Temp, Max temp Yesterday was + 29.4, 0,0mm of precip yesterday.


    05:10 Hrs this am, clear skies and unlimited visibility. We are losing 2 minutes of daylight per day.


FORECAST:

A weakening upper level ridge in a North Westerly flow aloft will bring mostly sunny skies this morning with cloud development this afternoon. Unsettled Tuesday with a mix of sun and cloud as a more Westerly flow brings slightly cooler temperatures. Weak upper level troughing will bring unsettled weather for Wednesday into the weekend with the chance of some precipitation Wednesday through Friday. Looking like dry unsettled weather for the weekend with mostly sunny skies Saturday and some cloud Sunday. No blocking patterns but not terrible weather for outdoor pursuits.  Guesstimates: 0 mm by Tuesday morning, 0 mm by Wednesday morning, trace-1 mm by Thursday morning, trace-1 mm by Friday morning, 0-trace by Saturday morning, 0 mm by Sunday morning, 0 mm by Monday morning.



    GOES IR image from this am.


     Ridge for today but likely some cloud development by the afternoon.





    Fronts along the Coast.

     High moves West with upper level troughing bring more clouds into the zone.

 



     Weak upper level troughing with the chance of some showers for Wednesday.



     More of the same for Thursday.



    Unsettled Friday with a slight chance of a shower on Friday. 

     Long way away but going for sunny on Saturday.

    Mix of sun and cloud for Sunday.




                AVALANCHE ACTIVITY:

                 Two snow leopards killed in an avalanche. Article below.                               Net Pic



    INFORMATION & OBSERVATIONS:

    Monday afternoon, still quite a bit of snow in Blackcomb Bowl.

    Tuesday morning.

    06:00 Hrs Wednesday morning, +6 Deg C. 

    Clown Cloud Thursday. Southern Ontario.

    Friday morning, 06:00 Hrs. + 7 Deg C. High is winning the battle.

    Saturday sunrise, 05:23 Hrs. + 7 Deg C.

    06:30 Hrs Sunday morning. + 9 Deg C.

    Warm weather with the occasional thunder storm in Southern Ontario.


VIDEOS:

South America Powder: July 18, 2020



ARTICLES:

Two Snow Leopards killed in an avalanche: Nepal

Calgary backcountry skier dies in a fall near Moraine Lake: Alberta

Man buried for 50 minutes recalls rescue from avalanche: Silver Mountain

Dead hikers' families reject Russian explanation of 1959 tragedy: Dyatlov Pass

Avalanche Information Center to host annual Snow & Avalanche Workshop virtually: Oct 14-16, 2020

Snow-Forecast rolling news on Ski Resorts Reopening: July 2020

Samples from downed trees near Snowmass will aid research oh historic avalanche cycle: Colorado

Studying snow failure with fibre bundle models: Frontiers in Physics

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