{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "M\u00fcnstertal", "regionID": "CH-7231"}, {"name": "unteres Puschlav", "regionID": "CH-7222"}, {"name": "Luganese", "regionID": "CH-6131"}, {"name": "Binntal", "regionID": "CH-4242"}, {"name": "Zermatt", "regionID": "CH-4222"}, {"name": "Saas Fee", "regionID": "CH-4223"}, {"name": "Zervreila", "regionID": "CH-5216"}, {"name": "untere Leventina", "regionID": "CH-6115"}, {"name": "Bleniotal", "regionID": "CH-6113"}, {"name": "Mattmark", "regionID": "CH-4225"}, {"name": "s\u00fcdliches Simplon Gebiet", "regionID": "CH-4232"}, {"name": "Bedrettotal", "regionID": "CH-6111"}, {"name": "Val d'Entremont-Val Ferret", "regionID": "CH-4113"}, {"name": "Zuoz", "regionID": "CH-7113"}, {"name": "Bivio", "regionID": "CH-5234"}, {"name": "Val S-charl", "regionID": "CH-7126"}, {"name": "Val dal Sp\u00f6l", "regionID": "CH-7125"}, {"name": "s\u00fcdliches Obergoms", "regionID": "CH-4244"}, {"name": "basso Moesano", "regionID": "CH-6212"}, {"name": "obere Leventina", "regionID": "CH-6112"}, {"name": "Riviera", "regionID": "CH-6122"}, {"name": "Val Chamuera", "regionID": "CH-7115"}, {"name": "n\u00f6rdliches Simplon Gebiet", "regionID": "CH-4231"}, {"name": "Monte Rosa", "regionID": "CH-4224"}, {"name": "Arolla", "regionID": "CH-4123"}, {"name": "St. Moritz", "regionID": "CH-7114"}, {"name": "s\u00fcdliches Tujetsch", "regionID": "CH-5212"}, {"name": "Mountet", "regionID": "CH-4125"}, {"name": "s\u00fcdliches Urseren", "regionID": "CH-2224"}, {"name": "Haut Val de Bagnes", "regionID": "CH-4116"}, {"name": "untere Maggiat\u00e4ler", "regionID": "CH-6121"}, {"name": "obere Maggiat\u00e4ler", "regionID": "CH-6114"}], "tendency": [{"comment": "<h1>Outlook to Thursday</h1><p>On Wednesday it will often be cloudy and a little snow will fall in the south. On Thursday it will be quite sunny in the north, but only partly sunny in the south. There will be a light to moderate southerly wind on both days.</p><p>The avalanche danger will decrease somewhat in all regions. However, it will decrease only very slowly in southern Valais, Ticino and Grisons due to the distinct and persistent weak layers.</p>"}], "validTime": {"endTime": "2026-02-03T16:00:00Z", "startTime": "2026-02-03T07:00:00Z"}, "bulletinID": "76672b51-5821-4dfa-bb65-e12d2498d5b6", "customData": {"CH": {"aggregation": [{"category": "dry", "problemTypes": ["wind_slab", "persistent_weak_layers"], "validTimePeriod": "all_day"}]}}, "nextUpdate": "2026-02-03T16:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "considerable", "customData": {"CH": {"subdivision": "plus"}}, "validTimePeriod": "all_day"}], "weatherReview": {"comment": "<h1>Weather review for Monday</h1><p>It was mostly sunny in the north and very cloudy in the south.</p><h2>Fresh snow</h2><p>-</p><h2>Temperature</h2><p>At midday at 2000 m, between 0 \u00b0C in the north and -6 \u00b0C in the south</p><h2>Wind</h2><ul><li>Increasingly moderate to strong southwesterly winds</li><li>A moderate to strong foehn wind blew in the Alpine valleys of the north.</li></ul>"}, "publicationTime": "2026-02-03T07:00:00Z", "weatherForecast": {"comment": "<h1>Weather forecast to Tuesday</h1><p>Snow will fall down to low altitudes on the Main Alpine Ridge and south of there. Otherwise, it will be partly sunny with some precipitation at times.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Monday evening to Tuesday afternoon:</p><ul><li>Main Alpine Ridge from the Lukmanier Pass to the Bernina Pass: 15 to 25 cm</li><li>Central part of the southern flank of the Alps: 10 to 20 cm</li><li>rest of the Main Alpine Ridge: 5 to 15 cm; elsewhere: less or dry.</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between -2 \u00b0C in the north and -5 \u00b0C in the south</p><h2>Wind</h2><ul><li>Strong to stormy southwesterly wind during the night, strong to stormy foehn wind in the Alpine valleys of the north</li><li>Subsiding somewhat during the day</li></ul>"}, "avalancheProblems": [{"aspects": ["N", "NE", "E", "SE", "SW", "W", "NW"], "comment": "The new snow and wind slabs will be deposited on a weakly bonded old snowpack. Avalanches can be triggered in near-ground layers and reach large size. Remotely triggered avalanches are to be expected. Individual natural avalanches are to be expected. <br/> Backcountry touring and other off-piste activities call for experience in the assessment of avalanche danger and caution.", "elevation": {"lowerBound": "2000"}, "customData": {"CH": {"subdivision": "plus", "coreZoneText": "Danger level \"considerable\" (3+) in southwest to north to southeast facing aspects above 2000m."}}, "problemType": "wind_slab", "validTimePeriod": "all_day", "dangerRatingValue": "considerable"}, {"aspects": ["N", "NE", "E", "SE", "SW", "W", "NW"], "comment": "The new snow and wind slabs will be deposited on a weakly bonded old snowpack. Avalanches can be triggered in near-ground layers and reach large size. Remotely triggered avalanches are to be expected. Individual natural avalanches are to be expected. <br/> Backcountry touring and other off-piste activities call for experience in the assessment of avalanche danger and caution.", "elevation": {"lowerBound": "2000"}, "customData": {"CH": {"subdivision": "plus", "coreZoneText": "Danger level \"considerable\" (3+) in southwest to north to southeast facing aspects above 2000m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "considerable"}], "snowpackStructure": {"comment": "<h1>Snowpack</h1><p>In southern Valais, Ticino and the inneralpine regions of Grisons, there are distinct weak layers in the snowpack. At the weekend, human activity triggered lots of medium and sometimes large avalanches in the weak old snowpack in these regions, often from a distance.</p><p>Snowpack structure is somewhat more favourable on the northern flank of the Alps and in northern Valais, but there are weak layers deeper in the snowpack in these regions too. These may still be triggered, especially where there is little snow and at transitions from a deep to shallow snowpack.</p><p><br></p><p>During the night to Tuesday, snow will fall on this weak snowpack in the south and naturally triggered avalanches are possible. Snowdrift accumulations will form in many areas with the strong to stormy southwesterly winds. In many places, these will be deposited on an unfavourable surface of faceted crystals or surface hoar. This means that the fresh snowdrift accumulations will often be easily triggerable.</p>"}}}