{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "n\u00f6rdliches Urseren", "regionID": "CH-2223"}, {"name": "Glarus Nord", "regionID": "CH-3111"}, {"name": "Ybrig", "regionID": "CH-2132"}, {"name": "Sch\u00e4chental", "regionID": "CH-2211"}, {"name": "Bisistal", "regionID": "CH-2134"}, {"name": "Glarus S\u00fcd-Sernftal", "regionID": "CH-3113"}, {"name": "Engelberg", "regionID": "CH-2122"}, {"name": "Alpstein - Alvier", "regionID": "CH-3222"}, {"name": "Flims", "regionID": "CH-5124"}, {"name": "Pilatus", "regionID": "CH-2111"}, {"name": "Glaubenberg", "regionID": "CH-2121"}, {"name": "Melchtal", "regionID": "CH-2123"}, {"name": "Sarganserland", "regionID": "CH-3224"}, {"name": "Meiental", "regionID": "CH-2221"}, {"name": "Stoos", "regionID": "CH-2133"}, {"name": "Glarus S\u00fcd-Grosstal", "regionID": "CH-3112"}, {"name": "Maderanertal", "regionID": "CH-2222"}, {"name": "Gersau", "regionID": "CH-2124"}, {"name": "Calanda", "regionID": "CH-5121"}, {"name": "Flumserberg", "regionID": "CH-3223"}, {"name": "n\u00f6rdliches Tujetsch", "regionID": "CH-5211"}, {"name": "Glarus Mitte", "regionID": "CH-3114"}, {"name": "Uri Rot Stock", "regionID": "CH-2212"}, {"name": "Liechtenstein", "regionID": "CH-3311"}], "tendency": [{"comment": "<h1>Outlook for Saturday and Sunday</h1><p>Overnight to Saturday, a little snow will continue to fall in the north above 1300 m. Conditions during the day will be very sunny with sunny conditions continuing until early on Sunday. In the afternoon, clouds will gather from the west and south. There will be a mostly light wind on both days.</p><p>Avalanche risk will decrease but only very slowly in southern Valais, Ticino and Grisons due to the distinct and persistent weak layers.</p>"}], "validTime": {"endTime": "2026-02-06T16:00:00Z", "startTime": "2026-02-06T07:00:00Z"}, "bulletinID": "23897f9e-2aed-4efe-806d-6556853bafcf", "customData": {"CH": {"aggregation": [{"category": "dry", "problemTypes": ["wind_slab", "persistent_weak_layers"], "validTimePeriod": "all_day"}]}}, "nextUpdate": "2026-02-06T16:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "moderate", "customData": {"CH": {"subdivision": "neutral"}}, "validTimePeriod": "all_day"}], "weatherReview": {"comment": "<h1>Weather review for Thursday</h1><p>A light sprinkling of snow fell in the south during the night. Conditions were mostly sunny during the day.</p><h2>Fresh snow</h2><p>-</p><h2>Temperature</h2><p>At midday at 2000 m, around -1\u00b0C</p><h2>Wind</h2><p>Mostly light at night, increasingly moderate southwesterly in the west during the day</p>"}, "publicationTime": "2026-02-06T07:00:00Z", "weatherForecast": {"comment": "<h1>Weather forecast to Friday</h1><p>Snow will fall during the night in the west and south. There will be widespread snowfall in the north, Valais and Grisons during the day, while conditions will be very sunny in the south. The snowfall level will be around 1300 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Thursday evening to Friday afternoon above approximately 1500 m:</p><ul><li>extreme west and northern Lower Valais: 15 to 30 cm</li><li>western Jura, western part of the northern flank of the Alps apart from the Prealps, rest of northern Valais, rest of Lower Valais: 10 to 20 cm</li><li>elsewhere a widespread 5 to 10 cm</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -1\u00b0C</p><h2>Wind</h2><ul><li>Strong foehn wind for a time at night on the Main Alpine Ridge and north of there</li><li>During the day, moderate to strong westerly in the north; light to moderate northwesterly in the south</li></ul>"}, "avalancheProblems": [{"aspects": ["N", "NE", "E", "SE", "W", "NW"], "comment": "The wind slabs of the last few days are in some cases still prone to triggering. They are to be evaluated with care and prudence especially in very steep terrain. As a consequence of new snow and a moderate to strong westerly wind, rather small wind slabs will form in the course of the day as well. The avalanche prone locations are to be found in particular in gullies and bowls, and behind abrupt changes in the terrain. Small and, in isolated cases, medium-sized avalanches are possible. <br/> Careful route selection is recommended.", "elevation": {"lowerBound": "2000"}, "customData": {"CH": {"subdivision": "neutral", "coreZoneText": "Danger level \"moderate\" (2=) in west to northeast to southeast facing aspects above 2000m."}}, "problemType": "wind_slab", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}, {"aspects": ["N", "NE", "E", "SE", "W", "NW"], "comment": "The wind slabs of the last few days are in some cases still prone to triggering. They are to be evaluated with care and prudence especially in very steep terrain. As a consequence of new snow and a moderate to strong westerly wind, rather small wind slabs will form in the course of the day as well. The avalanche prone locations are to be found in particular in gullies and bowls, and behind abrupt changes in the terrain. Small and, in isolated cases, medium-sized avalanches are possible. <br/> Careful route selection is recommended.", "elevation": {"lowerBound": "2000"}, "customData": {"CH": {"subdivision": "neutral", "coreZoneText": "Danger level \"moderate\" (2=) in west to northeast to southeast facing aspects above 2000m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}], "snowpackStructure": {"comment": "<h1>Snowpack</h1><p>Fresh snow and westerly winds are producing snowdrift accumulations in the west and north, the largest forming in the west, where the most snow is falling.</p><p>Snowpack structure is unfavourable in many locations in southern Valais, Ticino and Grisons, where this week's fresh and drifted snow is lying on an unfavourable old snowpack with pronounced weak layers. Reports of whumpfing sounds and avalanches triggered by human activity, some from a distance, are still being received from these regions. 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>"}}}