Avalanche forecast for Nord-Troms Wednesday 2021-04-28

Highest danger level per day:
2
Moderate
Published:

Locally unstable conditions. Be careful in areas with fresh wind deposited snow, the wind picks up in the evening. Sun radiation can produce small naturally released loose snow avalanches.

Illustrasjon av ferdselsråd Wet surface: Move gradually away from the fall line when skiing on large slopes to avoid to be caught by small sluffs you or someone else in your group release while skiing.
Illustrasjon av ferdselsråd Dry surface: Aviod terrain steeper than 30 degrees with fresh wind slabs.
Illustrasjon av ferdselsråd Avoid terrain traps.

Wind drifted snow (slab avalanches)

Buried weak layer of new snow

Read more about the avalanche problem
2 - Medium
Low additional load
Specific steep slopes
Possible

Wet snow (loose snow avalanches)

Loose snow

Read more about the avalanche problem
1 - Small
Spontaneous release
Isolated steep slopes
Possible

What are avalanche problems?

Observations the last 3 days (map placed)

3 mm precipitation.
Fresh breeze from north., change to breeze from the northwest during the afternoon.
-10 °C to -5 °C at 1100 m a.s.l.
Plus degrees up to 100 m a.s.l. during the afternoon.
Partly cloudy.

For updated info, please visit yr.no
3 mm precipitation.
Breeze from northwest., change to strong breeze from the northwest during the evening.
-11 °C to -6 °C at 1100 m a.s.l.
Plus degrees up to 100 m a.s.l. during the afternoon.
Cloudy.

For updated info, please visit yr.no

Observations the last 3 days

Nord-Troms / Gáivuotna

Snow

28.04.2021 kl. 18:29

661 masl

StigR@Obskorps (***)

Image Of Weather
Image 1 of 3 Of:  Weather Copyright:  StigR@Obskorps
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Image 2 of 3 Of:  Snow Profile Copyright:  StigR@Obskorps
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Snow Cover

No snowdrift 5 cm new snow Elevation of new snow 0 masl. Snow line at 0 masl. Layered snow begins at 300 masl Much loose snow (10-30cm) Dry I skogen opp til ca400 noe fuktig snø. Over dette gradvis tørrere. Fra 550 helt tørt. Ikke vindpåvirket. Underliggende snø er fuktig og hardere.

Weather

Snow -5.9 °C 3 m/s from N ↓ 100% clouds Bygevær. Tidvis kraftig. Lite vind foreløpig.

Danger Sign

No signs observed

Avalanche Danger Assessment

2 Moderate Mye upåvirket tørr snø som ligger i høyden. Under dette et kompakt denne med smelteomvandlet snø. Ved bakken er det enkelte steder obs kantkorn. Kan gi store skred. Dersom vind vil det deponeres bundet snø i le. Dette over løssnø. Forecast too high

Avalanche Problems

Dry slab avalanche Buried weak layer of faceted snow beneath a crust Over one meter Very difficult to trigger 3 - Large N, NE, E, SE, S, SW, W, NW Stedvis har det vært kantkorn langt ned i snødekket. Heller ikke usannsynlig at det kan dannes nye kantkorn unse skare som ligger høyere i snødekket.

Dry slab avalanche Poor bonding between crust and overlying snow Within half a meter Difficult to trigger 2 - Medium above 500 masl Fokksnø der vinden tar kan ligge over skare snø.

Avalanche Activity

28. Apr. During the day No avalanche activity

Snow Profile

12 cm F DF 2 mm D, 18 cm P MF/MFpc 1 mm M, 3 cm 1F/1F-P RG/RGxf 1 mm M, 18 cm P MF M, 4 cm 1F MF/MFsl M, 40 cm P MF M -0.3 °C @ 0 cm, -0.5 °C @ 13 cm, -0.6 °C @ 20 cm, -0.4 °C @ 31 cm, -0.4 °C @ 40 cm, -0.3 °C @ 50 cm, -0.3 °C @ 70 cm

ObsID: 270484

Nord-Troms / D1907(CLA20) Nord Troms 2017-2022

Snow

28.04.2021 kl. 09:09

6 masl

drift@svv (**)

Weather

Snow -2 °C Arnøya (0moh) kl 07:00 5 cm nysnø akkumulert siste døgn.

Danger Sign

No signs observed

Avalanche Activity

No avalanche activity Gjelder Fv7940 Lauksundskaret - Arnøyhamn,

ObsID: 270433

Nord-Troms / D1907(CLA20) Nord Troms 2017-2022

Snow

28.04.2021 kl. 05:53

391 masl

drift@svv (**)

Weather

Sleet 2 °C Oladalen (100moh) kl 05:53

Danger Sign

No signs observed

ObsID: 270395

Nord-Troms / D1907(CLA20) Nord Troms 2017-2022

Snow

27.04.2021 kl. 09:00

6 masl

drift@svv (**)

Weather

Snow 1 °C Arnøya (0moh) kl 07:00 5 cm nysnø akkumulert siste døgn.

Danger Sign

No signs observed

Avalanche Activity

No avalanche activity Gjelder Fv7940 Lauksundskaret - Arnøyhamn,

ObsID: 270309

Nord-Troms / D1907(CLA20) Nord Troms 2017-2022

Snow

26.04.2021 kl. 07:36

6 masl

drift@svv (**)

Weather

Snow 2 °C Arnøya (0moh) kl 07:00 3 cm nysnø akkumulert siste døgn.

Danger Sign

No signs observed

Avalanche Activity

No avalanche activity Gjelder Fv7940 Lauksundskaret - Arnøyhamn,

ObsID: 270194

The bulletin does not include a detailed text about the avalanche conditions. This is only given in Norwegian. Translate it using google translate if you like. The text result will be informative, and most likely amusing

For planning your trip and recognizing avalanche terrain, use maps.

Norway has 1:50 000 maps for the whole country. Maps can be bought at bookstores and sports shops, or printed from the net.

For slope angle maps, download the app Varsom Regobs on App Store | Google Play or see our slope angle map at senorge.no ("helning" means slope angle).

Modelled snowpack and historic and current weather information can be found on the webpage senorge.no. This site uses information from the weather stations and interpolate values from the stations for gridded maps.

Detailed weather forecast can be found online at www.yr.no or www.storm.no. Yr.no is also in English, but the weather in text format is only given in Norwegian.