Central Grisons and Anterior Rhine

Zervreila

Sun 5 Apr Sunrise 06:54 19:57 Overcast

Hard-to-read day. Persistent or gliding-snow problems can mask the real risk.

Day Risk Profile

Moderate
All day

Avalanche Problems

Dry snow level 2 Persistent weak layers dry All day
N, NE, E, W, NW
above 2200m
Avalanches can in some cases be released in near-surface layers. Additionally in isolated cases avalanches can also be released in near-ground layers and reach large size. These avalanche prone locations are barely recognisable, even to the trained eye. Caution is to be exercised on little-used, rather lightly snow-covered shady slopes. Backcountry touring and other off-piste activities call for careful route selection.
Wet snow level 2 Wet snow wet Later
As a consequence of warming during the day and the solar radiation, the likelihood of wet avalanches being released will increase in particular on steep sunny slopes. Small and medium-sized natural avalanches are to be expected. Apart from the danger of being buried, restraint should be exercised as well in view of the danger of avalanches sweeping people along and giving rise to falls. Backcountry tours should be concluded timely.

Snowpack & Weather

Snowpack

Various weak layers in the old snowpack are still prone to triggering in some places. Weak layers are most widespread in the upper part of the old snowpack. Isolated avalanches can also be triggered in near-ground weak layers, especially on shady slopes that have rarely been used this winter. Danger zones for avalanche triggering are most frequently found in Grisons.

Wet and gliding avalanche activity is continuing to increase as temperatures rise.

Weather review for Saturday

The night was mostly clear in the south and often cloudy in the north. Conditions were sunny in the south during the day but elsewhere initially mostly cloudy. There was a little precipitation in the northeast. The snowfall level was between 1500 m and 1800 m. Conditions became increasingly sunny from the west in the afternoon.

Fresh snow

-

Temperature

At midday at 2000 m, between +2 °C in the north and +5 °C in the south

Wind

During the night, moderate to strong northwesterly, subsiding during the day

Weather forecast to Sunday

Dense patches of high cloud will pass through at times during the night. Conditions will be very sunny with high cloud during the day, especially during the afternoon in the north.

Fresh snow

-

Temperature

Rising significantly, reaching around +7 °C at midday at 2000 m

Wind

Mostly light southwesterly, rising to moderate over the course of the day on the northern flank of the Alps

Outlook

Monday

Overnight to Monday, it will often be overcast and there will be a little precipitation in the north. The snowfall level will be around 2200 m. Patchy cloud will persist in the morning in the northeast, but elsewhere conditions will mostly be sunny during the day. Temperatures will remain very mild. During the night, there will be a westerly wind which will be moderate to strong at high altitude but otherwise light to moderate.

The danger of dry avalanches will continue to decrease. The danger of wet and gliding avalanches will already be high in the morning on Monday due to the overcast night and light precipitation and will increase further over the course of the day.

Tuesday

On Tuesday, after a mostly clear night, conditions will be sunny during the day, with very mild temperatures and light winds. The danger of dry avalanches will continue to decrease. The danger of wet and gliding avalanches will increase over the course of the day in the sunshine and rising daytime temperatures.

Issued

5 Apr 06:00 UTC

Valid until

5 Apr 15:00 UTC

Next update

5 Apr 15:00 UTC

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