3 Snø observasjoner ved (Nordenskiöld Land/SVALBARD).
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Værobservasjon
Nedbørstype
Snø
Temperatur
-5,00 °C
Vindhastighet
8,0 m/s
Vindretning
Fra øst
Skydekke
60 %
Kommentar
Snowing S-1 for the two hours I was out. Sky was broken clouds, some stars visible. Calm conditions on Longyearbreen, moderate easterly winds above 500 moh.
Snødekke
Nysnø siste døgn
5 cm
Snøfokk
Moderat snøfokk
Snøfuktighet
Tørr
Snødekkehardhet
Mye tørr løssnø (10-30cm)
Kommentar
Strongly aspect dependent snow cover. Wind has moved the snow around quite a bit in the past 48 hours. Westerly aspects have up 50 cm wind deposited snow since Sunday. Most western aspects I observed had between 20-30 cm snow accumulation in the past 48 hours. Eastern aspects I observed (Lars Hiertafjellet to Larsbreen) are mostly stripped by the wind to the old snow surface.

Copyright
HoltH@unis
Kommentar
West aspect about 400 moh. 30 cm accumulation. 4F+ hardness slab.
Skredproblem

Tørre flakskred

Type svakt lag
Dårlig binding mellom lag i fokksnøen
Avstand fra overflaten til det svake laget
Innen en halv meter
Ugunstige egenskaper på det svake laget
Laget der bruddet skjer er tynt < 3 cm.
Det overliggende laget er mykt.
Utbredelse løsneområder
Ikke gitt
N
V
Ø
S
Eksposisjon
Kommentar
I only conducted quick handshear tests while skinning up. Handshears breaking cleanly down 20 cm from the surface on a density change in the new snow in the deeper accumulations. Unsure how widespread this problem is. I didn't see any other signs of instability in the new snow, but also avoided avalanche terrain. It does seem that the new wind deposits are stabilizing fairly quickly due to the absence of shooting cracks etc even when stomping on ridgetop cornices, but I didn't trust the new snow enough to ski over 30 degrees this evening.
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Varslingsregion
Nordenskiöld Land
Kommune
SVALBARD
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