18 Mar 2023

March 18, 2023


       An avalanche has killed a skier in Austria. Article below. Serfus-Komperdell Ski Area. Net Pic

      Skier entered at top right, buried where circle is. No Transceiver. Samanaun Massif. 

      Where the skier had entered.                                                                               Alpinpolizei Pic

      No new avalanches observed on Whistler Friday. Some wet loose on steep solar terrain.

     Xc from 2023/03/16. Large Cornice Debris.

      Some big chunks.

      No new avalanches observed on Blackcomb. Some wet loose lower elevations.

      Xc on Blackcomb Friday. Xc Sz 1.5 cornice debris Bushwhip.

     Wet loose from 2023/03/16 later in the pm. Sz 1 Na. Lakeside Bowl.

       Na Sz 1.5 likely small cornice tab to slab, ? Thursday night,  into lower Body Bag Bowl.

       Fracture Line From 2023/03/16 S-Turn Sa Sz 1.5.                                                                 JA Image

          S-Turn avalanche debris.                                                                                          JA Image

       Snow bomb off rocks dry loose from 2023/03/16.

      Wet loose from 2023/03/16.

      New avalanche deflector berm above Peak Chair Load.


      Sunrise Friday was at 07:22 Hrs. -7 Deg C with a 10-15 KPH ESE wind at 1860 m.

      08:00 Hrs. -7 Deg C with a 5-10 KPH ESE breeze at 1860 m.

     10:00 Hrs. -6 Deg C with a 25-30 KPH South wind at 2280 m. Cloud pushing in!

      Friday March 17, 2023. 12:00 Hrs. -2 Deg C with a 5-15 KPH ESE wind at 1835 m.

      14:00 Hrs. -5 Deg C with a 20-30 KPH SSW wind at 2280 m.

      18:00 Hrs. -5 deg C with a 15-20 KPH Se wind at 2280 m.

Weather Observations for March 18, 2023 taken at 06:00 Hours.

2280 meters     -6, Winds were 20-25 KPH S--Horstman Hut
2180 meters     -5, Winds were 40-45 KPH S--Whistler Peak
1860 meters     -3, Winds were 10-20 KPH ESE --Rendezvous  
1835 meters     -2, Winds were 10-15 KPH ESE--Round House
1650 meters     -3, 0 cm in 12 Hrs, 0 cm in 24 Hrs. Base 235 cm--Pig Alley
1570 meters     -2, 0 cm in 12 Hrs, 0 cm in 24 Hrs. Base 159 cm--Catskinner
  660 meters     -2, Valley Temp, Max temp Yesterday was +9.2, 0.0 mm of precip yesterday

      As of 06:00 Hrs we have no new snow. Base 235 cm.

       As of 07:00 Hrs we have broken cloud and unlimited visibility.


Weak ridging for today with mostly sunny skies this am with increasing cloud cover in the pm in a Southerly flow aloft. The FL is just below surface, rising to 1800+?m by this afternoon, dropping back to just below surface tonight. Low along the coast will spill cloud into the area Sunday with overcast skies. Stays dry. Weak front arrives Monday afternoon with periods of light precipitation into Tuesday. Seasonable temperatures. Weak ridging for Wednesday with a mix of sun and cloud with some flurries possible in the mix. Another frontal band for Thursday with light precipitation. Mostly overcast with some flurries Friday. Cooler temperatures. Guesstimates: 0 cm by Sunday am, 0 cm by Monday am, 4-8 cm by Tuesday am, trace-2 cm by Wednesday am, o-trace by Thursday am, 8-12 cm by Friday am.

      GOES IR IMAGE from this am.

       Ridge holding with cloud spilling in for mix of sun and cloud Saturday. Warm daytime temps.

      WINDY IMAGE 2023/03/18. 05:00 Hrs.

      Southerly flow aloft.

       Low moves down the coast, overcast skies for Sunday. Warm daytime temps in the valley.

      Moisture moves down the coast well off shore. Dry day for Sunday.

              Trough moves on shore with convective activity Monday. Slightly cooler.

      Periods of light precipitation for Monday.

        Low well to the South on Tuesday, lingering precipitation Tuesday am, dries out in pm.

      Light precipitation Tuesday am, dries out in the pm.

      Dirty ridging for Wednesday with mixed bag with chance of some flurries in the alpine.

      Another frontal band on Thursday, light precipitation.


       Busy at 09:30 Hrs.

       It was a Happy St Paddy's Day.

      New avalanche deflector berm above base load Peak Chair.

       Interesting morning light.

      Many souls venturing to the top of Flute.

      Still some nice dry powder to be had.

      Pipe Line and Pakalolo.

      Many layers since the first snows. 725 cm recorded this season at 1650 m.

      The Dominator could use some more snow!!

      Cool filtered light in the late pm. High overcast thickened later in the day.

      18:00 Hrs, clouds were still moving in from the South.

       Recent profile.


Travel and Terrain Advice:

Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.

Closely monitor how the new snow is bonding to the crust.

Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet

Pay attention to cornices and give them a wide berth when traveling on or below ridges.

MODERATE--Sea to Sky advisory available top right sidebar!


No new reports as of 07:00 Hrs.


North Shore Avalanche Conditions: March 17, 2023

Recent Skier Triggered Avalanche: Colorado

Different footage from the avalanche in: Tignes

Bigger Paddles would help: ? Life jacket

Treed: Bummer

Nice turns until the avalanche caught up: Snowboarding


A 20 year-old female has died in an avalanche: Austria

Avalanche conditions report 2023/03/18; Austria

No one caught in slush avalanche in Kvinnherad; Norway

Skier triggered avalanche with burial, Mount Washington: New Hampshire

Report reveals new details of Spring Mountain avalanche fatality: Nevada

NAC's New Platform improves US Avalanche Forecasts: Powder Cloud

Zenith Guides Snow Report: March 16, 2023

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