{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "M\u00fcnstertal", "regionID": "CH-7231"}, {"name": "Val S-charl", "regionID": "CH-7126"}, {"name": "Val dal Sp\u00f6l", "regionID": "CH-7125"}, {"name": "Binntal", "regionID": "CH-4242"}, {"name": "Val Chamuera", "regionID": "CH-7115"}, {"name": "n\u00f6rdliches Simplon Gebiet", "regionID": "CH-4231"}, {"name": "Zermatt", "regionID": "CH-4222"}, {"name": "Saas Fee", "regionID": "CH-4223"}, {"name": "Val Suot", "regionID": "CH-7124"}, {"name": "untere Vispert\u00e4ler", "regionID": "CH-4221"}, {"name": "Monte Rosa", "regionID": "CH-4224"}, {"name": "Mattmark", "regionID": "CH-4225"}, {"name": "s\u00fcdliches Simplon Gebiet", "regionID": "CH-4232"}, {"name": "Samnaun", "regionID": "CH-7121"}], "tendency": [{"comment": "<h1 contenteditable=\"false\">Outlook</h1><p>On Wednesday, conditions will be sunny in the mountains and cloudy but dry on the southern flank of the Alps. There will moderate, sometimes strong, southwesterly winds in high Alpine regions. Widespread precipitation will set in during overnight to Thursday. The snowfall level will drop to low altitudes. By Thursday afternoon, 10 to 20 cm of snow will fall on the northern flank of the Alps, elsewhere a few centimetres.</p><p>The avalanche hazard will decrease slightly on Wednesday. It may increase slightly on Thursday, especially on the northern flank of the Alps. There will be little change in other regions. Caution should be exercised around fresh snowdrift accumulations. In addition, isolated avalanches may be triggered in the old snowpack, especially on northern slopes above 2400 m and in high Alpine regions.</p><p><br></p>"}], "validTime": {"endTime": "2025-11-18T16:00:00Z", "startTime": "2025-11-17T16:00:00Z"}, "bulletinID": "44a4b904-39b7-47d6-89f2-3e9337dc8e22", "customData": {"CH": {"aggregation": [{"category": "dry", "problemTypes": ["wind_slab", "persistent_weak_layers"], "validTimePeriod": "all_day"}]}}, "nextUpdate": "2025-11-18T16:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "moderate", "customData": {"CH": {"subdivision": "minus"}}, "validTimePeriod": "all_day"}], "publicationTime": "2025-11-17T15:11:30.565347948Z", "avalancheProblems": [{"aspects": ["N", "NE", "E", "W", "NW"], "comment": "The small quantity of fresh snow and in particular the mostly small wind slabs are prone to triggering. The fresh wind slabs are to be evaluated with care and prudence especially in terrain where there is a danger of falling. Apart from the danger of being buried, restraint should be exercised in particular in view of the danger of avalanches sweeping people along and giving rise to falls. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality.", "elevation": {"lowerBound": "2600"}, "customData": {"CH": {"subdivision": "minus", "coreZoneText": "Danger level \"moderate\" (2-) in west to north to east facing aspects above 2600m."}}, "problemType": "wind_slab", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}, {"aspects": ["N", "NE", "E", "W", "NW"], "comment": "The small quantity of fresh snow and in particular the mostly small wind slabs are prone to triggering. The fresh wind slabs are to be evaluated with care and prudence especially in terrain where there is a danger of falling. Apart from the danger of being buried, restraint should be exercised in particular in view of the danger of avalanches sweeping people along and giving rise to falls. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality.", "elevation": {"lowerBound": "2600"}, "customData": {"CH": {"subdivision": "minus", "coreZoneText": "Danger level \"moderate\" (2-) in west to north to east facing aspects above 2600m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}], "snowpackStructure": {"comment": "<h1 contenteditable=\"false\">Snowpack</h1><p><br></p><p>Precipitation set in on Saturday, first in the south and later also in the north. Before this snowfall, conditions had been generally sunny and dry in the mountains for almost two weeks.</p><p>In gullies and bowls on shady slopes above around 2000 m and in high Alpine regions, the fresh and drifted snow fell on a patchy continuous snowpack, otherwise on bare ground. On shady slopes above approximately 2400 m and generally in high Alpine regions, the fresh snow has fallen on pronounced weak layers, where avalanches can easily be triggered.</p>"}}}