Jökull


Jökull - 01.12.2006, Page 20

Jökull - 01.12.2006, Page 20
Haraldsdóttir et al. Figure A6 and Table 10: Avalanche weather and paths in Ísafjörður, N-Vestfirðir. – Yfirlit yfir snjóflóð, rýming- arsvæði og snjóflóðaveður á Ísafirði. Evacuation areas Avalanche weather and wind directions for snowdrift accumulation Avalanche paths and notification Snowdrift accumulation in winds from NW-NE, SW and SSE Kubbi Snow accumulation from the mountain top in winds from SW. Known avalanches in SSE-storm with intense snowfall (unusual weather). Flat or concave mountainside without defined avalanche paths. Evacuation level 2. Seljalandshlíð, Seljalandshverfi Snow accumulation from the mountain top of Eyrarfjall in winds from NW to NE (a relatively large fetch). During winds from N-NE snowdrift from the top of Eyrarfjall and Gleiðarhjalli into Seljalandshlíð, snow accumulates from the sides to the gullies. In the eastern part of the area the avalanche paths are in gul- lies with flat gravelfans downhill. In the western side above Seljalandshverfi the paths are on an open mountainside, where Seljalandsmúli affects the run-out of the avalanches. Dam completed 2004. Evacuation in 1997, levels 1-3. At present level 3. Neðan Gleiðarhjalla (Eyrarhlíð-Eyrarfjall) (be- low Gleiðarhjalli) Generally little snow accumulation. Pos- sibly snow accumulation in strong winds from NW-N. Shallow gullies in cliffs at the mountainside with gravel be- low. A ca. 400 m wide shelf above cliffs on the mountain. Evacuation of homes only during exceptional circumstances. Evacuation level 3. 18 JÖKULL No. 56
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Jökull

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