Valid: from 26.7. 09:00 to 29.7. 06:00
- Possible impacts: Significant and rapid rise in the water level of rivers and lakes, flooding. Landslides on steep slopes.
- Recommendations for action: Stay away from watercourses, lake shore areas and steep slopes. Pay attention to possible flood warnings from the FOEN. Avoid watercourses in the mountains at all cost, as these are prone to mudslides. A mudslide can occur very suddenly and without warning, and can be a powerful destructive force.
- Expected amounts: 120 - 170 mm
- Snowfall limit: 3000 - 2000 m (sinking)
- Peak phase of the event: Sun 14 - Tue 00
- Intensifying conditions: locally higher precipitation amounts due to embedded thunderstorms
- Water meadows, flood-prone areas and lake shore areas are likely to be flooded.
- Heavy rain might cause brooks, waterfalls and (usually dry) ditches to swell greatly. Exposed caves might overflow.
- On a local level, landslides from steep slopes are possible.
- Failure of drainage and sewage systems.
- Subways, underground parkings and basement/cellar rooms might be flooded.
- Road and rail traffic obstructed.
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