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

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