AVALANCHE ACTIVITY:
An avalanche on the Grand Bec, FR has killed a ski tourer. Articles below. DR Photo
Avalanche kills skier in Marron Bowl near Aspen Highlands. Article below. CAIC Image
Three fatalities and multiple incidents in France avalanches. Articles below. Pistehors Pic
A snow cat was caught in an avalanche in France, NE Aspect 2250 m. Driver Ok. Pistehors pic
An avalanche has killed a ski tourer Crete Des Lanchettes, FR. Article below. A Poissonnier Pic
An avalanche in Galibier, FR has killed 2 ski tourers. Article below. Sylvain Asencio Pic
Large Snowmobile triggered avalanche Henderson Mtn, Montana; Click>
GNFAC Report
Sz 3 Sa Pahaska, WY. Click>
GNFAC Report
Na Sz 2.5 Cornice Triggered deep persistent slab. 2023/03/17. Click>
Purcells, M Beschmann Pic
No new avalanches observed on Blackcomb Sunday.
Wet loose Na Sz 1-2 Lakeside Bowl from Saturday evening. Different perspective in image below.
Lakeside Traverse small Na wet Sz 2 by DP. 2023/03/18. Around sweep time.
No new avalanches observed on Whistler.
Avalanche berm deflector may get bigger?
Multiple wet loose from 2023/03/18 later in the pm.
It was an an active cycle Saturday evening. Different perspective!
WEATHER YESTERDAY:
Sunrise Sunday was at 07:17 Hrs. -2 Deg C with a 5-10 KPH ESE breeze at 1860 m.
08:00 Hrs. -4 Deg C with a 25-30 KPH SE wind at 2180 m.
10:00 Hrs. +1 Deg C with a 5-10 KPH SE breeze at 1860 m.
Sunday March 19, 2023. 12:00 Hrs. + 2 Deg C with a 5-15 KPH ESE wind at 1835 m.
14:00 Hrs. -1 Deg C with a 10-20 KPH East wind at 2280 m.
16:00 Hrs. -1 Deg C with a 10-20 KPH ESE wind at 2280 m.
Weather Observations for March 20, 2023 taken at 06:00 Hours.
2280 meters -5, Winds were 20-25 KPH ESE--Horstman Hut
2180 meters -3, Winds were 5-10 KPH ENE--Whistler Peak
1860 meters -2, Winds were 5-10 KPH S--Rendezvous
1835 meters -2, Winds were 0-5 KPH S--Round House
1650 meters -1, 0 cm in 12 Hrs, 0 cm in 24 Hrs. Base 228 cm--Pig Alley
1570 meters -1, 0 cm in 12 Hrs, 0 cm in 24 Hrs. Base 153 cm--Catskinner
660 meters 0, Valley Temp, Max temp Yesterday was +10.8 0.0 mm of precip yesterday.
As of 06:00 Hrs this am we have 0 cm of new snow. Base 228 cm.
As of 07:00 Hrs this am we have broken cloud and unlimited visibility.
FORECAST:
A weak frontal band arrives in the pm with light precipitation in a Southerly flow aloft. The FL is hovering in the 900 m range and may spike to 1500-1800 m today dropping back down to surface Tuesday am. May see some pre-frontal flurries this am. The weak impulse will dissipate by early Tuesday am with a building ridge pushing in with sunny skies. Ridge strengthens into Wednesday with more sun and warm temperatures. A more vigorous front arrives Thursday with strong winds and light precipitation with seasonable temperatures. Looking overcast with some flurries on Friday. Dirty ridging for Saturday with mostly overcast skies, some sunny am breaks and the chance of some flurries. Guesstimates: 2-6 cm by Tuesday am above 1600 m, 0-trace by Wednesday am, 0 cm by Thursday am, 5-10 cm by Friday am, 1-2 cm by Saturday am, 0 cm by Sunday am.
GOES IR IMAGE from this am.
WINDY IMAGE 2023/03/20. 05:00 Hrs.
Low well off the coast on Monday, split flow with some light precipitation this pm. Warm.
Split flow, low to the South will bring some light precipitation this pm.
Southerly flow aloft.
Low moves on in the early am, ridging for later am into the pm. Above average temps.
High pressure strengthens Tuesday with sunny skies.
High pressure for Wednesday with sunny skies. Above average temperatures.
High pressure in control on Wednesday. Dry and sunny.
Deepening low out of the Aleutians will bring a active frontal band. Cooler.
Light precipitation for Thursday.
Mostly overcast Friday, may see some showers.
Dirty ridging for Saturday.
INFORMATION & OBSERVATIONS:
Whistler 2023 IFSA Junior 3 Nationals
Top of Sudan. Margy Krause Pic
Some air time Sudan Couloir.
Laid over, warm surface hoar, FL spiked briefly to +1 Deg C at 2280 m at 12:30 Hrs, 2023/03/19.
Clouds were getting thicker later in the pm.
Many tracks on Cowboy Ridge.
FROM AVALANCHE CANADA:
Travel and Terrain Advice
Be careful with wind slabs, especially in steep, unsupported and/or convex terrain features.
Rain or periods of intense solar radiation can rapidly enhance the effects of warming.
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.
LOCAL MIN REPORTS:
SHORT CLIPS:
Skier survives Tetnuldi Avalanche:
Georgia
ARTICLES:
Fatal avalanche on the Grand Bec: France
A man has died in an avalanche in the town of Champagny-en-Vanoise:
France
Large avalanche just beyond Aspen Highlands boundary kills skier: Colorado
Three fatalities, multiple avalanche incidents in France: Pistehors.com
Avalanche sector Crete Des Lanchettes, 1 Fatality:
France (google translate)
An avalanche has killed 2 ski tourers in Laurichand Pass:
France (google translate)
Two skiers missing in avalanche near Mt Blanc:
Italy
No time for couloir cowboys:
Pique
Warm temperatures bring wet snow avalanches to:
Switzerland
Ski patrollers, struggling to afford mountain towns. Will unions help?:
Washington Post
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