{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "Vouvry", "regionID": "CH-1311"}, {"name": "Gadmertal", "regionID": "CH-1246"}, {"name": "Monthey-Val d'Illiez", "regionID": "CH-1312"}, {"name": "Iffigen", "regionID": "CH-1225"}, {"name": "Guttannen", "regionID": "CH-1245"}, {"name": "Gstaad", "regionID": "CH-1222"}, {"name": "Bisistal", "regionID": "CH-2134"}, {"name": "Bex-Villars", "regionID": "CH-1114"}, {"name": "Glarus S\u00fcd-Sernftal", "regionID": "CH-3113"}, {"name": "Engelberg", "regionID": "CH-2122"}, {"name": "Lenk", "regionID": "CH-1224"}, {"name": "Pilatus", "regionID": "CH-2111"}, {"name": "Glaubenberg", "regionID": "CH-2121"}, {"name": "Stoos", "regionID": "CH-2133"}, {"name": "Grimselpass", "regionID": "CH-1247"}, {"name": "Gersau", "regionID": "CH-2124"}, {"name": "Waadtl\u00e4nder Voralpen", "regionID": "CH-1111"}, {"name": "Wildhorn", "regionID": "CH-1223"}, {"name": "Obersimmental", "regionID": "CH-1228"}, {"name": "Flumserberg", "regionID": "CH-3223"}, {"name": "Bl\u00fcemlisalp", "regionID": "CH-1232"}, {"name": "Glarus Mitte", "regionID": "CH-3114"}, {"name": "Brienz-Interlaken", "regionID": "CH-1241"}, {"name": "Adelboden", "regionID": "CH-1226"}, {"name": "Grindelwald", "regionID": "CH-1242"}, {"name": "Aigle-Leysin", "regionID": "CH-1113"}, {"name": "Jungfrau - Schilthorn", "regionID": "CH-1234"}, {"name": "Pays d'Enhaut", "regionID": "CH-1112"}, {"name": "Lauterbrunnen", "regionID": "CH-1233"}, {"name": "Liechtenstein", "regionID": "CH-3311"}, {"name": "Hohgant", "regionID": "CH-1213"}, {"name": "Glarus Nord", "regionID": "CH-3111"}, {"name": "Ybrig", "regionID": "CH-2132"}, {"name": "Sch\u00e4chental", "regionID": "CH-2211"}, {"name": "Kandersteg", "regionID": "CH-1231"}, {"name": "Alpstein - Alvier", "regionID": "CH-3222"}, {"name": "Melchtal", "regionID": "CH-2123"}, {"name": "Meiental", "regionID": "CH-2221"}, {"name": "Niedersimmental", "regionID": "CH-1221"}, {"name": "Jaun", "regionID": "CH-1121"}, {"name": "Hasliberg - Rosenlaui", "regionID": "CH-1244"}, {"name": "Schreckhorn", "regionID": "CH-1243"}, {"name": "Glarus S\u00fcd-Grosstal", "regionID": "CH-3112"}, {"name": "Maderanertal", "regionID": "CH-2222"}, {"name": "Engstligen", "regionID": "CH-1227"}, {"name": "Uri Rot Stock", "regionID": "CH-2212"}], "tendency": [{"comment": "<h1 contenteditable=\"false\">Outlook</h1><h2>Saturday</h2><p>In the north, a few centimetres of snow will fall above around 1500 m during the night to Saturday. Saturday will be dry with relatively long bright intervals. Conditions will be very sunny in the south.</p><p>Avalanche risk will continue to decrease in the west and north. There will be no significant change in the south.</p><h2>Sunday</h2><p>Conditions will be very cloudy and some snow will fall in the west and north above around 1200 m, with 10 to 20 cm mostly in the far west. Winds will be moderate from the southwest, then from the west.</p><p>The risk of dry avalanches will increase slightly in the far west, otherwise it will not change significantly.</p>"}], "validTime": {"endTime": "2025-11-28T16:00:00Z", "startTime": "2025-11-27T16:00:00Z"}, "bulletinID": "5968b3c8-3259-4e2e-bc9b-1cf00fb4ad85", "customData": {"CH": {"aggregation": [{"category": "dry", "problemTypes": ["new_snow", "persistent_weak_layers"], "validTimePeriod": "all_day"}]}}, "nextUpdate": "2025-11-28T16:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "considerable", "customData": {"CH": {"subdivision": "neutral"}}, "validTimePeriod": "all_day"}], "weatherReview": {"comment": "<h1>Weather review for Thursday</h1><p>A four-day period of precipitation, which brought a lot of fresh snow to the north and most especially the west, ended during the night to Thursday, with Thursday being mostly sunny in the mountains.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>Since Wednesday afternoon, 5 to 10 cm of snow has fallen in the north down to low altitudes. From Sunday evening until during the night to Thursday, the following amounts of fresh snow had thus fallen above approximately 1800 m:</p><ul><li>northern flank of the Alps, northern and extreme west of Lower Valais: 70 to 110 cm, with up to 150 cm in the far west</li><li>rest of Lower Valais, northern Upper Valais, northern and central Grisons, Jura: 30 to 60 cm</li><li>elsewhere: 10 to 30 cm</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -5 \u00b0C in the north and -2 \u00b0C in the south</p><h2>Wind</h2><p>Moderate, locally strong north-northeasterly</p>"}, "publicationTime": "2025-11-27T15:42:54.419638026Z", "weatherForecast": {"comment": "<h1>Weather forecast to Friday</h1><p>Conditions will be mostly sunny in the mountains.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>-</p><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around 0 \u00b0C</p><h2>Wind</h2><p>The northeasterly wind will die down during the night and will be mostly light during the day.</p>"}, "avalancheProblems": [{"aspects": ["N", "NE", "E", "SE", "S", "SW", "W", "NW"], "comment": "Large quantities of fresh snow and the wind-drifted snow of the last few days are lying on the unfavourable surface of an old snowpack at elevated altitudes. Avalanches can in some cases be released in deep layers and reach large size. Caution is to be exercised in areas where the snow cover is rather shallow, as well as at transitions from a shallow to a deep snowpack. <br/> Fresh wind slabs are rather small but prone to triggering. They are to be evaluated with care and prudence in steep terrain. <br/> Snow sport activities outside marked and open pistes call for experience in the assessment of avalanche danger and caution.", "elevation": {"lowerBound": "2000"}, "customData": {"CH": {"subdivision": "neutral", "coreZoneText": "Danger level \"considerable\" (3=) in all aspects above 2000m."}}, "problemType": "new_snow", "validTimePeriod": "all_day", "dangerRatingValue": "considerable"}, {"aspects": ["N", "NE", "E", "SE", "S", "SW", "W", "NW"], "comment": "Large quantities of fresh snow and the wind-drifted snow of the last few days are lying on the unfavourable surface of an old snowpack at elevated altitudes. Avalanches can in some cases be released in deep layers and reach large size. Caution is to be exercised in areas where the snow cover is rather shallow, as well as at transitions from a shallow to a deep snowpack. <br/> Fresh wind slabs are rather small but prone to triggering. They are to be evaluated with care and prudence in steep terrain. <br/> Snow sport activities outside marked and open pistes call for experience in the assessment of avalanche danger and caution.", "elevation": {"lowerBound": "2000"}, "customData": {"CH": {"subdivision": "neutral", "coreZoneText": "Danger level \"considerable\" (3=) in all aspects above 2000m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "considerable"}], "snowpackStructure": {"comment": "<h1>Snowpack</h1><p>After this week's snowfall, the snow depths in the north and west are well above average for the time of year. Deeper in the snowpack, especially on shady slopes above approximately 2400 m and in the high Alpine regions in general, there are faceted weak layers in which avalanches, some large, have been triggered in recent days. In the regions exposed to heavier precipitation in the west and north, these weak layers are now thickly overlaid and are therefore no longer so easily triggered by winter sports participants. However, any avalanches may still become large. In areas with less fresh snow, avalanches are easier to trigger in these weak layers, but will not be quite as large.</p><p>With the north to northeasterly wind, snowdrift accumulations formed at high altitudes on Thursday.</p>"}}}