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Image 6 of 25 Of:  Weather Copyright:  torben@obskorps Comment:  Tromsøya og kvaløya
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Image 7 of 25 Of:  Weather Copyright:  torben@obskorps Comment:  Tromsdalstinden
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Image 8 of 25 Of:  Snow Cover Copyright:  torben@obskorps Comment:  I skogen. Ca 250moh. I bunnen løs kantkorn. (Sokkersnø)
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Image 10 of 25 Of:  Snow Cover Copyright:  torben@obskorps Comment:  Fokksnøflak som løsner lett. Fra ca 300-350moh begynte dette. Spesielt i åpninger hvor vinden har tatt
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Image 13 of 25 Of:  Snow Cover Copyright:  torben@obskorps Comment:  Den gamle MFcr skaren er stedvis blåst fram
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Image 15 of 25 Of:  Snow Cover Copyright:  torben@obskorps Comment:  Under skaren !!!
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Image 24 of 25 Of:  Snow Cover Copyright:  torben@obskorps Comment:  Lett bakkefokk
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Avalanche Observation
• 7. Dec 12:32 (+01:00) • Dry slab avalanche • 1 - Small • N-facing • Avalanche release at 401 masl and ended at 387 masl • Buried weak layer of faceted snow above a crust • 40 cm high and 15 m wide fracture • Lee side • Fjernutløst fra øst siden av den lille elvedalen. Løsnet over konveks i leheng ved kraftlinjen. Kjent plass hvor det løser skred. Var forventet at det kunne løsne, men ble litt overrasked over str!! • Was remotely triggered
Danger Sign
• Recent snowdrift • I leheng. Veldig varierende hvor mye som er transportert !!
• Recent avalanches • Fjernutløste ca 15x30m flakskred i leheng. Var som forventet. Se egen obs på det
• Shooting cracks • Fokksnøen sprekker opp, og antydning til skytende moderate sprekker
Avalanche Activity
• 7. Dec. During the day (+01:00) • Dry slab avalanche • One (1). 1 - Small. Very easy to trigger • Some steep slopes. N, NE, E, W, NW. Above 300 masl • Kunne bare se det som jeg fjernutløste. Ellers ingen aktivitet
Snow Cover
• 75 cm • Some snow drift • 0 cm • Elevation of new snow 0 masl. Snow line at 0 masl • Wind slab (hard slab) • Dry • Ok • Startsett uforandret i skogen. Lett fin snø. Eneste er at den er vell nå generelt omvandlet til kantkorn. Fersk fokksnø fra 300-350moh. Veldig varierende i utbredelse og tykkelse. Men det generelle er småe og "tynne" fokksnø flak. På fjellet er skiføre og snødekket veldig varierende , hardt til innføyka myk fokksnø
Fant mye kantkorn fortsatt i snødekket. Virker som at det meste av rimet har blitt "blåst"
Weather
• No precipitation • -3.5 °C • 6 m/s from NE ↙ • 70% clouds • Rolig vær i skogen. Fra ca 300moh var vinden tiltagende.
Tests
• ECTP11@18cm(Q2) • Poor • På kantkorn og mulig rester at rim?!!!
• ECTP26@70cm(Q2) • Medium • På kantkorn
Snow Profile
• NE • 20° • 2 tests connected to snow profile • I leheng • Persistent weak layer: below slab, near surface
Avalanche Problems
• Dry slab avalanche • Buried weak layer of new snow • Within half a meter • The weak layer collapses easily and clean (easy propagation). The collapsing weak layer is thin < 3 cm. • Easy to trigger • 1 - Small • Some steep slopes N, NE, E, W, NW above 300 masl
• Dry slab avalanche • Buried weak layer of faceted snow above a crust • Within a meter • The collapsing weak layer is thin < 3 cm. A big and identifiable crystal in the weak layer. • Difficult to trigger • 2 - Medium • Some steep slopes N, NE, E, SE, S, SW, W, NW above 300 masl
Avalanche Danger Assessment
• Fortsatt relativt utfordrende i fjellet. Generelt hardt og avblåst. Men i leheng og leformasjoner er det mulig å løse ut skred. Kantkornet er absolutt tilstede, spørmåler er hvor, og hvor potent🧐. Virker og som at noe av rimet har "overlevd" vinden!!!! Den ferske folksnøen er generelt ustabil !! Evt skred i fokksnøen kan muligens nå opp mot (liten) str 2? da i helt spesielle heng. Så absolutt vær obs, og tenk nøye gjennom hvor skispora dine settes. • Det meldes vind og kaldt. Dette gjør at fokksnøen trenger tid på å stabiliser seg. Kulden holder og liv kantkorn prosessen !! • 2 Moderate • Forecast correct • ❄️👍