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Debris avalanches, debris flows and slush slides warning yellow level for Vestland fylke og deler av Rogaland, Agder og Møre og Romsdal

2

Yellow level

Published: Valid: from 16.12.2023 07:00 to 17.12.2023 06:59
Next forecast before:
  • Danger ongoing: Saturday morning 16. Dec. 2023
  • Danger decrease: Tuesday morning 19. Dec. 2023
  • Height: 0 - 1500 moh

Oppdatert informasjon -

To kommuner nord i varslingsområdet er fjernet og tre i sør er lagt til i det gule varselet for mandagen.

Consequence

Landslides may be expected. Exposed railways and roads may be closed. Along the watercourses in the flood areas high discharge can lead to erosion of masses at the foot of slopes. Rapid decline of water levels after flood can also cause local landslides. Debris flows may reach the valley bottom even if they are triggered high in the terrain.

Advice

Keep away from steep slopes, as well as streams and rivers with high discharge. Keep water paths and culverts free of snow, ice, gravel, waste, twigs and leaves. Clogged waterways with dammed water may cause landslides.

Description

Along the watercourses in the flood areas high discharge can lead to erosion of masses at the foot of slopes. Rapid decline of water levels after flood can also cause local landslides. Risk of slushflows is especially high in areas with less than 1 meter deep snow. The snow may in some places be fully water-saturated. Slushflows are triggered even in relatively gentle slopes, where water accumulates. Slushflows follow terrain depressions and may develop into debris flows. Steep slopes, as well as streams and rivers with high discharge, are particularly exposed. With the current forecast, certain parts of the region are more exposed. Details are found in the warning message in Norwegian. Heavy rain is expected. Heavy snowmelt is expected. With the current forecast, certain parts of the region are more exposed. Details are found in the warning message in Norwegian.