{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "M\u00fcnstertal", "regionID": "CH-7231"}, {"name": "Val S-charl", "regionID": "CH-7126"}, {"name": "Zuoz", "regionID": "CH-7113"}, {"name": "Val dal Sp\u00f6l", "regionID": "CH-7125"}, {"name": "s\u00fcdliches Pr\u00e4ttigau", "regionID": "CH-5112"}, {"name": "Sur Tasna", "regionID": "CH-7123"}, {"name": "Glarus S\u00fcd-Sernftal", "regionID": "CH-3113"}, {"name": "Schams", "regionID": "CH-5222"}, {"name": "Flims", "regionID": "CH-5124"}, {"name": "\u00f6stliche Silvretta", "regionID": "CH-7122"}, {"name": "Val Suot", "regionID": "CH-7124"}, {"name": "Obersaxen - Safiental", "regionID": "CH-5214"}, {"name": "Albulatal", "regionID": "CH-5231"}, {"name": "Savognin", "regionID": "CH-5232"}, {"name": "n\u00f6rdliches Pr\u00e4ttigau", "regionID": "CH-5111"}, {"name": "Sarganserland", "regionID": "CH-3224"}, {"name": "Schanfigg", "regionID": "CH-5122"}, {"name": "Domleschg - Lenzerheide", "regionID": "CH-5221"}, {"name": "Glarus S\u00fcd-Grosstal", "regionID": "CH-3112"}, {"name": "westliche Silvretta", "regionID": "CH-5113"}, {"name": "Calanda", "regionID": "CH-5121"}, {"name": "Samnaun", "regionID": "CH-7121"}, {"name": "Davos", "regionID": "CH-5123"}], "tendency": [{"comment": "<h1>Outlook to Sunday</h1><p>Conditions will be sunny in the mountains. The zero-degree level will increase to 3000 m. The wind will be mostly light.</p><p>The avalanche danger will decrease slowly in areas with new fallen snow, otherwise it will remain largely unchanged.</p>"}], "validTime": {"endTime": "2025-12-26T16:00:00Z", "startTime": "2025-12-26T07:00:00Z"}, "bulletinID": "934ed3df-2f8b-4ecc-b101-7527c0929a5c", "customData": {"CH": {"aggregation": [{"category": "dry", "problemTypes": ["persistent_weak_layers"], "validTimePeriod": "all_day"}]}}, "nextUpdate": "2025-12-26T16:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "low", "validTimePeriod": "all_day"}], "weatherReview": {"comment": "<h1>Weather review for Thursday</h1><p>It was very cloudy in the south and on the Main Alpine Ridge in Valais. Some snow fell above 1000 m. Elsewhere, it was mostly sunny in the mountains.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>The following amounts of snow fell above 1400 m by Thursday afternoon:</p><ul><li>Main Alpine Ridge in Valais from the Monte Rosa to the Nufenen Pass, Val Bedretto, Valle Maggia: 15 to 30 cm</li><li>Remaining central part of the Main Alpine Ridge in Valais directly along the border with Italy, remaining central part of the southern flank of the Alps, Upper Engadine, Val Bregaglia, Val Poschiavo, Aletsch region: 5 to 15 cm</li><li>Elsewhere: fewer centimetres or dry.</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -3 \u00b0C.</p><h2>Wind</h2><p>Southeasterly wind:</p><ul><li>Moderate at times in Grisons and on the southern flank of the Alps at high altitudes</li><li>Elsewhere, strong during the night, storm-force in the high Alpine regions, mostly moderate during the day</li></ul>"}, "publicationTime": "2025-12-26T06:43:47.85157043Z", "weatherForecast": {"comment": "<h1>Weather forecast to Friday</h1><p>Some snow will continue to fall in the south during the night. The snowfall level will be around 1000 m. During the day it will be sunny in the mountains.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>Until Friday morning:</p><ul><li>Monte Rosa to the Simplon region: 10 to 20 cm</li><li>Southern Goms, Valle Maggia: 5 to 10 cm</li><li>Elsewhere less or dry</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between +2 \u00b0C in the north and -2 \u00b0C in the south</p><h2>Wind</h2><p>During the night to Friday in the high Alpine regions and in the Alpine valleys of the north, there will be a moderate south to southeasterly wind. Otherwise, the wind will be mostly light.</p>"}, "avalancheProblems": [{"aspects": ["N", "NE", "E", "SE", "S", "SW", "W", "NW"], "comment": "In very isolated cases avalanches can be triggered in the weakly bonded old snow and reach medium size. In some localities small wind slabs formed. Caution is to be exercised in particular in extremely steep terrain. 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": "2000"}, "customData": {"CH": {"coreZoneText": "Danger level \"low\" (1) in all aspects above 2000m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "low"}], "snowpackStructure": {"comment": "<h1>Snowpack</h1><p>There is appreciably less snow than usual at this time of year in most regions and snow conditions for ski touring are very poor in many places. Only in northern Lower Valais are snow depths approaching average.</p><p>The snowpack structure varies from region to region:</p><ul><li>On the Main Alpine Ridge in Valais and on the southern flank of the Alps, fresh and drifted snow has been deposited on a thin but weak old snowpack of faceted crystals. It is possible for avalanches to be triggered in the old snowpack in these regions.</li><li>In southern Lower Valais, Upper Valais, on the southern flank of the Alps and throughout Grisons, weak layers of faceted crystals or surface hoar are present in the snowpack on shady slopes above approximately 2400 m. Although these weak layers could be triggered in stability tests, it was very rare for avalanches to be triggered. Where fresh and somewhat older wind slabs lie on the weak snowpack, small avalanches are possible.</li><li>The snowpack structure is more favourable in the extreme west of Lower Valais and northern Lower Valais and on the northern flank of the Alps. Below 2400 m, the snowpack has mostly frozen solid.</li></ul>"}}}