18 Feb 2019

February 18, 2019


    YESTERDAY:

    Blue Bird Sunday morning.

    There were even fresh tracks to be had.

    Some clouds to the South by mid morning.

    Spearhead Peak in the afternoon.

    Cloudier later in the afternoon to the Southwest.



    A few high thin clouds to the East near the end of the day.

    Blue Bird again just before sunset.


Weather Observations for February 19, 2019 taken at 06:00 Hours.

2240 meters     -12, Winds were 10-15 KPH SW--Horstman Hut
2180 meters     -11, Winds were 10-15 KPH W--Whistler Peak
1860 meters     -11, Winds were   5-10 KPH SE--Rendevous
1835 meters     -10, Winds were   5-10 KPH SE--Round House
1650 meters     -11, 0 cm of new, 0 cm in 24 hrs, Base 250 cm--Pig Alley
1565 meters     -10, 0 cm of new, 0 cm in 24 hrs, Base 180 cm--Catskinner
  660 meters     -12, Valley Temp, Max temp Yesterday was +2.2, 0.0 mm of precip recorded yest


   As of 07:00 Hrs this am we have clear skies, unlimited visibility, and some high cloud to the North.   

FORECAST:

An upper level ridge will bring sunny skies this am in a Northerly flow aloft. The FL could rise to about 800 meters with some clouds moving in by this afternoon. The ridge will dissipate later today allowing a weak front into the area tonight. A Northwesterly flow will bring light snow and overcast skies for Tuesday into Wednesday. The ridge rebounds again for Thursday before a stronger frontal band moves in for Friday, dissipating on Saturday. Guesstimates: 2-4 cm by Wednesday morning, trace-1 cm by Thursday morning.


    GOES IR Image from this am.


    Upper level ridge with a frontal band moving down the coast from the North. Warmer.





    Fronts along the coast.


    Weak front moving in from the North for Tuesday.






     Weak front for Wednesday, mostly cloudy with little precipitation.


     Ridge rebuilds on Thursday.



    AVALANCHE ACTIVITY:

    An avalanche near Crested Butte has killed two men. Article below.                               Net Pic

    Loose dry point releases in the morning.

    Loose dry.

    Sz 1 loose dry.

    Point releases below Boney Basin. Reports of a Sz 1 windslab on Whistler Sc. Sc Sz 1.5 out of CC.


    INFORMATION & OBSERVATIONS:

    Northerly winds in the morning.

    Surface hoar was growing.

    Spindrift Sunday morning.

    There were a lot of people in the backcountry yesterday.

    Many tracks in Carona.

    Sa dry sluffs.

    Big picture Sunday afternoon.


From Avalanche Canada MIN Reports: 

BTL Duffey Area: Feb 16, 2019

Heart Strings wind slab: Feb 17, 2019

Taylor Meadows solar warming: Feb 17, 2019

Spearhead Glacier: Feb 17, 2019



ARTICLES:

Colorado avalanche kills two skiers: Crested Butte

Skier breaks arm in avalanche at Glacier national Park: Golden, B.C.

Avalanches bury ID-21 under more than 30 Feet of snow: Idaho

'Never let your guard down' Utah avalanche experts offer Safety advice: Salt Lake City

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