{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "M\u00fcnstertal", "regionID": "CH-7231"}, {"name": "unteres Puschlav", "regionID": "CH-7222"}, {"name": "Corvatsch", "regionID": "CH-7111"}, {"name": "Bergell", "regionID": "CH-7211"}, {"name": "n\u00f6rdliches Pr\u00e4ttigau", "regionID": "CH-5111"}, {"name": "untere Leventina", "regionID": "CH-6115"}, {"name": "Bleniotal", "regionID": "CH-6113"}, {"name": "westliche Silvretta", "regionID": "CH-5113"}, {"name": "Calanda", "regionID": "CH-5121"}, {"name": "Val d'Anniviers", "regionID": "CH-4124"}, {"name": "Bernina", "regionID": "CH-7112"}, {"name": "Val d'Entremont-Val Ferret", "regionID": "CH-4113"}, {"name": "n\u00f6rdliches Urseren", "regionID": "CH-2223"}, {"name": "basso Moesano", "regionID": "CH-6212"}, {"name": "obere Leventina", "regionID": "CH-6112"}, {"name": "Riviera", "regionID": "CH-6122"}, {"name": "s\u00fcdliches Pr\u00e4ttigau", "regionID": "CH-5112"}, {"name": "alto Moesano", "regionID": "CH-6211"}, {"name": "Avers", "regionID": "CH-5233"}, {"name": "Flims", "regionID": "CH-5124"}, {"name": "Val d'H\u00e9rens", "regionID": "CH-4122"}, {"name": "oberes Puschlav", "regionID": "CH-7221"}, {"name": "s\u00fcdliches Tujetsch", "regionID": "CH-5212"}, {"name": "Martigny-Verbier", "regionID": "CH-4115"}, {"name": "n\u00f6rdliches Tujetsch", "regionID": "CH-5211"}, {"name": "Turtmanntal", "regionID": "CH-4212"}, {"name": "s\u00fcdliches Urseren", "regionID": "CH-2224"}, {"name": "Haut Val de Bagnes", "regionID": "CH-4116"}, {"name": "untere Maggiat\u00e4ler", "regionID": "CH-6121"}], "tendency": [{"comment": "<h1>Outlook to Wednesday</h1><p>Conditions will remain sunny and cold. The northerly wind will be light at first, then moderate to strong on Wednesday at higher altitudes and in the south.</p><p>The unfavourable snowpack structure means that avalanche danger will decrease only very slowly.</p>"}], "validTime": {"endTime": "2026-01-05T16:00:00Z", "startTime": "2026-01-05T07:00:00Z"}, "bulletinID": "98ca3d86-37af-4780-8c59-ad517462faba", "customData": {"CH": {"aggregation": [{"category": "dry", "problemTypes": ["wind_slab", "persistent_weak_layers"], "validTimePeriod": "all_day"}]}}, "nextUpdate": "2026-01-05T16:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "moderate", "customData": {"CH": {"subdivision": "minus"}}, "validTimePeriod": "all_day"}], "weatherReview": {"comment": "<h1>Weather review for Sunday</h1><p>A few snowflakes fell locally during the night. During the day conditions were sunny but cold.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>-</p><h2>Temperature</h2><p>At midday at 2000 m, around -9\u00b0C</p><h2>Wind</h2><ul><li>Moderate, locally strong westerly; northerly in the south</li><li>Subsiding over the course of the day</li></ul>"}, "publicationTime": "2026-01-05T05:56:05.175335066Z", "weatherForecast": {"comment": "<h1>Weather forecast to Monday</h1><p>In the mountains conditions will be mostly sunny but cold.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>-</p><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -11\u00b0C</p><h2>Wind</h2><p>Light</p>"}, "avalancheProblems": [{"aspects": ["N", "NE", "E", "SE", "S", "SW", "W", "NW"], "comment": "The prevalence of the avalanche prone locations will increase with altitude. Fresh and somewhat older wind slabs are lying on top of a weakly bonded old snowpack in particular on wind-protected shady slopes. They are mostly small but can in some cases be released easily. The wind slabs are clearly recognisable to the trained eye. They are to be evaluated with care and prudence in steep terrain. <br/> Avalanches can additionally in very isolated cases be released in deep layers also. Avalanches can in some cases reach medium size. Careful route selection is recommended.", "elevation": {"lowerBound": "2400"}, "customData": {"CH": {"subdivision": "minus", "coreZoneText": "Danger level \"moderate\" (2-) in all aspects above 2400m."}}, "problemType": "wind_slab", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}, {"aspects": ["N", "NE", "E", "SE", "S", "SW", "W", "NW"], "comment": "The prevalence of the avalanche prone locations will increase with altitude. Fresh and somewhat older wind slabs are lying on top of a weakly bonded old snowpack in particular on wind-protected shady slopes. They are mostly small but can in some cases be released easily. The wind slabs are clearly recognisable to the trained eye. They are to be evaluated with care and prudence in steep terrain. <br/> Avalanches can additionally in very isolated cases be released in deep layers also. Avalanches can in some cases reach medium size. Careful route selection is recommended.", "elevation": {"lowerBound": "2400"}, "customData": {"CH": {"subdivision": "minus", "coreZoneText": "Danger level \"moderate\" (2-) in all aspects above 2400m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}], "snowpackStructure": {"comment": "<h1>Snowpack</h1><p>On the northern flank of the Alps, the new and drifted snow of the last few days cover cover, at higher elevations on shaded, wind-sheltered slopes, an often faceted and therefore weak old snow surface. Elsewhere, the snow surface was often shaped by the wind and frequently frozen solid below 2400 m. </p><p>In western and northern Lower Valais, the snowpack structure is relatively favourable and the danger comes mainly from fresh drifted snow.</p><p>In other regions, the snowpack is thin and weak, and mostly consists of faceted crystals with embedded crusts. Snowdrift accumulations deposited on top of this snowpack are in some cases easily triggerable. In addition, individual avalanches may still be triggered in the near-ground old snowpack, especially on the Main Alpine Ridge in Upper Valais and on the central part of the southern flank of the Alps.</p>"}}}