Avalanche bulletin - Tröllaskagi

  • Thu Mar 28

    Considerable danger
  • Fri Mar 29

    Considerable danger
  • Sat Mar 30

    Considerable danger

A lot of new snow in the forecasting area. Unstable windslabs and thick slabs have accumulated in all aspects. Large avalanche remotely triggered in Héðinsfjörður on 26th March. Many natural avalanches released this weekend, human triggered avalanches are likely to occur.

The avalanche bulletin is at a regional scale. It does not necessarily represent avalanche danger in urban areas.

Avalanche problems in the area

Thick wind slabs are widespread in the mountains after heavy snowfall in the N-NA directions. Wind drifts could be found in most aspect.

Large remote triggered avalanche in Héðinsfjörður is an indication of a PWL. Faceting at crust boundary in snowpit near Siglufjörður

Snow layers and snow cover

A lot of new snow in the forecasting area after north blizzard on Friday and Saturday, later light snowshowers and drifting snow. Snowpit (Illviðrishnjukur 26.03) showed new snow and windslab on old crust. Bond between new and old snow is rather weak with CT12. Two other snowpits from last few days showed a rather weak bond between windslab and old snow, with faceted snow and depth hoar between layers. Several avalanches released in the area in the last few days and considerable snow available to drift in the coming NA wind this week. Travellers in mountains are advised to be careful as human triggered avalanches area likely.

Recent avalanches

Large avalanche in Héðinsfjöður by remote trigger on March 26th. An avalanche released on the road to Kleifar in Ólafsfjörður and out into the sea on Friday morning. Two major avalanches fell on the road from Dalvík to Ólafsfjörður night before Saturday. Additionally, an avalanche fell on the road to Siglufjörður west of the Strákagöng tunnel and one in Illviðrishnjúkur. Two size 3 and 3.5 avalanches released above Dalvík on the night to Saturday. Avalanches of size 2-3.5 occurred in Ólafsfjörður, specifically in Arnfinnsfjall, Ósbrekkufjall, Auðnahyrna, and Bustabrekkudal released Fri/Sat. A large avalance released in Karlsárdalur on Friday or Saturday.

Weather forecast

Ongoing light showers of snow in mountains for the next few days, with N and NE wind and cold temperatures. Stiffer wind on Wednesday and Thursday.

Forecast made: 27 Mar 16:39 GMT. Valid until: 28 Mar 19:00 GMT.

Avalanche Danger Scale

Very high
High
Considerable
Moderate
Low

More

About the bulletin

IMO issues an avalanche bulletin Monday, Wedenesday and Friday at 16:00 GMT for three selected areas.

Safe backcountry travel requires training and experience. You control your own risk by choosing where, when and how you travel.

More






Other related web sites


This website is built with Eplica CMS