20 Jan 2019

January 20, 2019

    YESTERDAY:

    Early Saturday morning.

    Some breaks later in the am.

    Periods of snow, 4 cm recorded from 06:00-14:00 Hrs at 1565 meters, 3 cm at Pig Alley (1650 M).

    Visibility was always changing.

    More breaks later in the afternoon.

    Unsettled by the evening as the ridge began to build.

    Saturday afternoon.



Weather Observations for January 20, 2019  taken at 06:00 Hours.

2240 meters   -10, Winds were 10-20 KPH N--Horstman Hut
2180 meters     -9, Winds were 10-20 KPH N--Whistler Peak
1860 meters     -8, Winds were   5-10 KPH N--Rendevous
1835 meters     -8, Winds were   5-10 KPH W--Round House
1650 meters     -8, 5 cm of new, 8 cm in 24 hrs, Base 246 cm--Pig Alley
1565 meters     -7, 2 cm of new, 6 cm in 24 hrs, Base 183 cm--Catskinner
  660 meters     -2, Valley Temp, Max temp Yesterday was +3.8, 9.0 mm of precip recorded yest


    As of 07:00 hrs this am we have high broken cloud, unlimited visibility and the moon is setting.


FORECAST:

Unsettled weather for this morning as the low to our South sends cloud our way with a weak ridge trying to build from the North. Ridge will strengthen for Monday with more sun than cloud. The FL should hover at around surface for the next 2 days. A weak front will push in on Monday night into Tuesday, exiting Wednesday morning with light precipitation and the FL rising as high as 1500 meters. Looks like we will be in an unsettled pattern after that into the weekend. Guesstimates: 1-3 cm by Tuesday morning, 8-12 cm by Wednesday morning.


    GOES IR image from this am.


    Weak high trying to build, colder air from the Arctic Front.

    Low to the South pushing up into the weak high.






    Fronts along the coast.



    High and arctic front bring clear skies and cold temps.







    Low to the North will bring some precip for Tuesday.

    High pushing North on Wednesday.



    AVALANCHE ACTIVITY:

    One skier killed in an avalanche in Electric Lake area, Utah. Article below.                   UAC Image

    An avalanche kills hunter in the Upper Dir, Pakistan.  Article below.                                    Net Pic

    An ice climber has died in an avalanche in Val' Gardenia, Italy.  Article below.                Net Pic

    An avalanche has killed a ski tourer in Valle Aurina, Italy. Article below.                           Net Pic

    Locally avalanche control produced a few Sz 1-2 soft slabs Xe, Xt.

    Sa Sz 1 in the Duffey yesterday. MIN report below.                                          Brian Gould Image


    INFORMATION & OBSERVATIONS:

    Winds kept most of the lifts closed, Glacier Express eventually opened briefly.

    Many trees down all over the area with another very strong wind event.

    Very strong winds early Saturday morning wrecked the Umbrella Bar.

    Early Saturday morning at 03:00 Hrs there was a 133 KPH gust at 1835 meters.


    Early afternoon shenanigans.

    Yesterday afternoon image, atmospheric river event for California.


From Avalanche Canada MIN Reports:

Cowboy Ridge: Jan 18, 2019

Windslabs building, Duffey: Jan 19, 2019

Reactive buried surface hoar, Duffey: Jan 19, 2019




ARTICLES:

Backcountry skier killed in avalanche in Emery County: Utah

Avalanche kills ice climber in Val' Gardenia: Italy

Avalanche kills skier on Mount Spicco in Valle Aurina: Italy

Avalanche kills hunter in Upper Dir Area: Pakistan

Update on the Ladakh avalanche: 7 Recovered

Significant risk of avalanches in Alberta/BC Parks: CTV News

Managing Larger Groups: Backcountry Magazine

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