18 Oct 2021

October 18, 2021

      PAST WEEK:

      Monday October 11, 2021. 12:00 Hrs. -1 Deg C at 1835 m.

      Tuesday October 12, 2021. 12:00 Hrs. -4 Deg C  at 1835 m. +4 Deg c in the valley.

      Wednesday October 13, 2021. 12:00 Hrs. -3 Deg C at 1835 m.

      Thursday October 14, 2021. 12:00 Hrs. 0 Deg C at 1835 m.

      Friday October 15, 2021. 13:00 Hrs. 0 Deg C at 1835 m.

      Saturday October 16, 2021. 12:00 Hrs. +1 Deg C at 1835 m.

      Sunday October 17, 2021. 14:00 Hrs. +1 Deg C at 1835 m.

                  GOES image from same time frame as above image.


      From the archives, Saturday October 17, 2020. 12:00 Hrs. +1 Deg C at 1835 m. 


Weather Observations for October 18, 2021 taken at 06:00 Hours.

2180 meters      -3, Winds were 20-35 KPH SE--Whistler Peak 
1835 meters      -2, Winds were   5-10 KPH SE--Round House
1650 meters       0,  2.2 mm in 12 Hrs, 21.2 mm in 24 Hrs --Pig Alley
  660 meters     +5, Valley Temp, Max temp Yesterday was +7.9, 29 mm of precip yesterday


     As of 07:00 Hrs this am we have overcast skies and variable visibility.

FORECAST:

A weak upper ridge will bring a mixed bag of weather in a Southerly flow aloft for today. Mostly cloudy skies this am and some sunny breaks in the pm. The freezing level will hover in the 1600 meter range with a high of around 1800 m, low of 1300 m tonight. Tuesday is looking dry with a mix of sun and cloud. Another wet day on Wednesday as a deep low (952 hPa forecasted) moves down the coast into Thursday. 40-60  mm possible from this event with seasonable temperatures and strong winds.  A few weaker frontal bands will push through Friday into Sunday, with slightly cooler temperatures. A La Nina pattern with the snow pack building in the upper elevations. Guesstimates: 0-trace by Tuesday am, trace-1 mm by Wednesday am, 8-14 mm by Thursday am, 35-45 mm by Friday am, 4-8 mm by Saturday am, 15-20 mm by Sunday am, 15-20 mm by Monday am.


      GOES image from this am.


      High pressure building for today with mostly cloudy skies.







      Southerly flow aloft for today.


       Low moves down the coast and high shifts East. 

 




      Upper trough for Wednesday with warmish temperatures and precipitation.

      Active pattern for Wednesday, wet and breezy.

      Deep low in the Pacific, wet Southerly flow for Thursday.

      Deep low gets closer on Thursday.




      Low will send rain our way Thursday as well. Could be a soaker!


      Long wave trough developing into the weekend.



     Looking wet Saturday.

      Likely a wet day on Sunday as well, 



      AVALANCHE ACTIVITY:

      Grizzly Bear (just right and up of centre) released this avalanche below.      Bryce Anderson Image

      Grizzly accidental, Treaty Glacier. North Coast Mountains.               Bryce Anderson Image


      Na Sz 2 wet loose Mt Cook, NZ area.                                                                     R. Lane Pic


      Recent Sz 4 Na near Mt Cook, NZ.                                                                                   Kyle Pic


      Sz 2 Na wet loose Fiordland, NZ.                                                                         David Ewing Pic


      Avalanche Advisory: New Zealand


      INFORMATION & OBSERVATIONS:

      Last day in the Park. Noon. +7 Deg C in the valley.

      Fall sunset Lake Simcoe, High on Monday was +22.6 Deg C.


      Tuesday evening, 17:30 hrs. -4 Deg C. 2.1 mm recorded at 660 m Tuesday.

      Wednesday Noon. +6 Deg C in the valley.

      Thursday noon. +6 Deg C at 660 m. 1.2 mm recorded at 660 m.

       Friday 13:00 Hrs. +7 Deg C in the valley. 13.1 mm recorded at 660 m.


      Saturday am,  weak Atmospheric River moving onto the West Coast.

      Saturday Noon. +7 Deg C at 660 m. 34.9 mm recorded at 660 m Saturday.


         Looking promising for the upcoming season which officially starts in 38 Days at WB.


      Sunrise Sunday at 07:37 Hrs. +1 Deg C at 1835 m.


      Sunday 14:00 Hrs. +7 Deg C at 660 m. 29 mm recorded at 660 m on Sunday.



VIDEOS:

Ski Patrol Magic: Kicking Horse


ARTICLES:

Avalanche buries hiker on Crow's Pass Trail: Alaska

Early Season Avalanche Discussion: Colorado

Avalanche Canada Foundation Fundraiser: BRAAP it UP

Eight reasons why you should take a Companion Rescue Skills Course: Avalanche Canada

ENSO La Nina update: October 14, 2021

The Upcoming Winter: La Nina is Back

11 Oct 2021

October 11, 2021

     PAST WEEK:

     Monday October 4, 2021. 12:00 Hrs. +2 Deg C at 1835 m.

      Tuesday October 5, 2021. 12:00 Hrs. +2 Deg C at 1835 m.

      Wednesday October 6, 2021. 12:00 Hrs. -2 Deg C at 1835 m.

      Thursday October 7, 2021. 12:00 Hrs. -1 Deg C at 1835 m.

      Friday October 8, 2021. 12:00 Hrs. +1 Deg C at 1835 m.

      Saturday October 9, 2021. 12:00 Hrs. +1 Deg C at 1835 m.



Weather Observations for October 11, 2021 taken at 06:00 Hours.

2180 meters      -7, Winds were 0-5 KPH ENE-Whistler Peak 
1835 meters      -6, Winds were 0-5 KPH ENE--Round House
1650 meters      -6,  0.0 mm in 12 Hrs, 0.2 mm in 24 Hrs --Pig Alley
  660 meters      -1, Valley Temp, Max temp Yesterday was +9.8, 2.5 mm of precip yesterday


      As of 07:00 Hrs this am we have clear skies and unlimited visibility. Feeling like winter!!!



FORECAST:

 Ridging for today with a dry day in a North/North Easterly flow aloft. Mostly sunny skies this am with cool temperatures, some cloud moving in this afternoon. The Freezing Level is below surface this am, may hover in the 1200 meter range and could drop to a 1000 m or lower overnight for the next few days. Weak cold front for Tuesday with periods of light precipitation and cool temperatures. Weak ridging for Wednesday with a mix of sun and cloud, chance of some showers, but looks fairly dry and cold. Weak warm front for Thursday with increasing precipitation on Friday. The series of frontal bands may weaken again on Saturday but time will tell. Some models have a stronger front arrive on Sunday. La Nina seems to be bringing a cool moist flow down the coast, cooler and wetter than last year. Guesstimates: 0 mm by Tuesday am, 5-10 mm by Wednesday am, 1-3 mm by Thursday am, 5-10 mm by Friday am, 10-15 mm by Saturday am, 3-8 mm by Sunday am, 15-20 mm by Monday am.


      GOES image from this am.


     Weak high will bring sunny weather this am, with a mix of sun and cloud this afternoon.







      Northerly flow aloft for today.

       Cold front will bring periods of light precipitation on Tuesday. Snow line will be low. 




      Weak ridging Wednesday with cool temps, mix of sun and cloud.




      Weak front on Thursday with slightly warmer temps.

      Weak front for Thursday.

      Stronger front for Friday.

      Unsettled with a mix of sun and cloud, chance of some showers Saturday. This may change!!


      Cool moist weather for Sunday, ridging possibly by Monday next week????


     AVALANCHE ACTIVITY:

      An avalanche injured two hunters in Alaska.  Article below.                             AANG Image

      High Avalanche Danger in parts of New Zealand: New Zealand Avalanche Advisory


      INFORMATION & OBSERVATIONS:

      Brief patches of blue early Monday am. High in the valley was +12 Deg C. 0.0 mm at 660 m.


      Tuesday am, break in the rain. High in the valley was +9.  14.9 mm of rain recorded at 660 m.

      Sunrise Wednesday, 07:20 Hrs. Snow line is moving down. -3 at 1835 m. 2.2 mm at 660 m Wed.


      Thursday am, looking like a nice day. High of 9.4 Deg C. 0.0 mm recorded at 660 m.

      Friday sunrise, 07:23 Hrs. -5 at 2240 m. High in the valley was +12 Friday, 0.0 mm of rain.

      From the archives, Oct 9, 2020. Warmer last year with less snow than this year.



      September was certainly wet, 179 mm recorded at 660 m. Cooler and wet for October as well.


VIDEOS:

Old Avalanche Footage but lucky: Snowboarder

Ski Patrolling: Sun Valley


ARTICLES:

Three Sheep Hunters caught in an avalanche in the Chugach Mountains: Alaska

Here's why early season snow can be so problematic in Colorado: OutThere

Mountain Conditions Summary for the Coast Range Mountains: October 7, 2021

Detrainment and braking of snow avalanches interacting with forests: EGU

The Nuances of How, When, Where and Why to take an avalanche course: Backcountry

Avalanche Canada's Online Avalanche Tutorial: AvySavvy

Avalanche Search Teams seldom find people alive, causing rescuers to experience Emotional 'Stress Injury' over time: Denver Post

The Best-Preserved Pair of skis from PreHistory: Secrets of the Ice

A world without avalanche closures: Steve Markley