Wind Slabs
N
NE
E
SE
S
SW
W
NW
- Alta quota
- Limite del bosco
- Sotto il limite del bosco
- Probabilità
- Possible - Likely
- Dimensione
- 1–2
Continued winds Tuesday redistributed recent storm snow to lee features combined with new snow, and warm temperatures.
Bollettino valanghe
Vedi sulla mappaJasper
Apr 23 – 24, 2019Parks Canada
Archiviato · scaduto 7 years ago
Pericolo valanghe
Thu
Fri
Alta quota
2 · Moderato
Limite del bosco
1 · Debole
Sotto il limite
1 · Debole
In sintesi
The recent winds have left windslabs in immediate lee features in the alpine & upper treeline.
Problemi valanghivi
Persistent Slabs
NNEESESSWWNW- Alta quota
- Limite del bosco
- Sotto il limite del bosco
- Probabilità
- Possible
- Dimensione
- 1–3
New load with warm temps could increase the likelihood of triggering.
Loose Wet
NNEESESSWWNW- Alta quota
- Limite del bosco
- Sotto il limite del bosco
- Probabilità
- Possible
- Dimensione
- 1–1.5
Cooling weather on Wednesday should keep the snow cold. Watch out for sunny periods and slopes catching the sun.
Weather Forecast
Wednesday: Broken skies and slightly cooler temps -10 in the alpine along with moderate west winds. Trace precip. Freezing Level 1700M
Thursday: The skies should clear and give a excellent overnight recovery with lows in the -15 range. Winds will be generally light westerly.
Friday: Warmer temps -6 and cloudy skis, Freezing level to rise to 2100M
Snowpack Summary
Previous moderate to strong south westerly winds have created Fresh wind slabs in immediate lee features in the southern part of the bulletin region. this snow now overlies several crusts / facet layers in the upper 40cm, and a faceted layer down 70cm on shady aspects. Expect isothermal snow at lower elevations (below treeline).
Avalanche Summary
Recent whumfing in low angle alpine terrain.
1 size 1.5 Steep N aspect alpine, cornice triggered windslab that appears to have stepped down to a persistent layer.