{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "Val d'H\u00e9rens", "regionID": "CH-4122"}, {"name": "Reckingen", "regionID": "CH-4241"}, {"name": "Lower Visp valleys", "regionID": "CH-4221"}, {"name": "Leuk", "regionID": "CH-4215"}, {"name": "Sch\u00e4chental", "regionID": "CH-2211"}, {"name": "Southern Glarus-Grosstal", "regionID": "CH-3112"}, {"name": "Maderanertal", "regionID": "CH-2222"}, {"name": "Northern Urseren", "regionID": "CH-2223"}, {"name": "Lauterbrunnen", "regionID": "CH-1233"}, {"name": "Melchtal", "regionID": "CH-2123"}, {"name": "Northern Obergoms", "regionID": "CH-4243"}, {"name": "Riederalp", "regionID": "CH-4214"}, {"name": "Engelberg", "regionID": "CH-2122"}, {"name": "Meiental", "regionID": "CH-2221"}, {"name": "Uri Rotstock", "regionID": "CH-2212"}, {"name": "Grindelwald", "regionID": "CH-1242"}, {"name": "Northern Tujetsch", "regionID": "CH-5211"}, {"name": "Hasliberg - Rosenlaui", "regionID": "CH-1244"}, {"name": "Turtmanntal", "regionID": "CH-4212"}, {"name": "Southern Glarus-Sernftal", "regionID": "CH-3113"}, {"name": "Val d'Anniviers", "regionID": "CH-4124"}, {"name": "Gadmertal", "regionID": "CH-1246"}, {"name": "Martigny - Verbier", "regionID": "CH-4115"}], "tendency": [{"comment": "<h1>Outlook</h1><h2>Monday</h2><p>On Monday, it will be partly cloudy in the north and mostly sunny elsewhere. The zero-degree level will rise to above 3000 m during the day. The wind will be mostly moderate from westerly directions.</p><p>The danger of dry avalanches will decrease. Particularly on steep north-facing slopes in high alpine regions, avalanches can still be triggered by people. As a result of solar radiation, moist loose snow slides and avalanches are to be expected on steep slopes in high alpine regions.</p><p><br></p><h2>Tuesday</h2><p>On Tuesday, it will be mostly sunny and mild. The zero-degree level will rise to 4000 m. The wind will be light to moderate from westerly directions.</p><p>The danger of dry avalanches will decrease further. As temperatures rise, the snowpack will become moist up to high alpine altitudes. Small and medium-sized wet loose snow avalanches are possible. In addition to the danger of being buried, particular attention should be paid to the danger of being swept along and falling.</p>"}], "validTime": {"endTime": "2026-10-25T16:00:00Z", "startTime": "2026-10-24T15:00:00Z"}, "bulletinID": "56ce9936-9127-4f89-bf3c-2ab7edb6774a", "customData": {"CH": {"aggregation": [{"title": "Dry avalanches", "category": "dry", "problemTypes": ["wind_slab"], "validTimePeriod": "all_day"}, {"title": "Wet-snow avalanches", "category": "wet", "problemTypes": ["wet_snow"], "validTimePeriod": "all_day"}]}}, "unscheduled": false, "dangerRatings": [{"mainValue": "moderate", "customData": {"CH": {"subdivision": "neutral"}}, "validTimePeriod": "all_day"}], "publicationTime": "2026-10-24T15:00:00Z", "avalancheProblems": [{"aspects": ["N", "NE", "E", "SE", "W", "NW"], "comment": "In some regions 20 to 40 cm of snow has fallen since Wednesday above approximately 2200 m. 15 to 30 cm of snow will fall on Sunday above approximately 2800 m. As a consequence of a strong to storm force westerly wind, avalanche prone wind slabs will form in particular adjacent to ridgelines and in gullies and bowls. These can in some places be released by people. Avalanches can reach medium size. <br/> Backcountry touring calls for careful route selection. <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": "2600"}, "customData": {"CH": {"subdivision": "neutral", "coreZoneText": "Danger level \"moderate\" (2=) in west to northeast to southeast facing aspects above 2600m."}}, "problemType": "wind_slab", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}, {"comment": "As a consequence of the rain more frequent moist loose snow avalanches are to be expected from the second half of the night, even medium-sized ones. This applies in particular below approximately 2600 m.", "problemType": "wet_snow", "validTimePeriod": "all_day", "dangerRatingValue": "low"}], "snowpackStructure": {"comment": "<p>Between Wednesday and Saturday, snowfall accompanied by moderate to strong winds was widespread at high altitudes, with the largest amounts falling in the Bernese and Valais Alps and in the Bernina region. Around half a metre of snow fell above 2800 m in these regions. In high alpine regions along the main Alpine ridge from the Monte Rosa region to the Bernina region, the fresh snow was deposited on a thin but already continuous snow cover. Faceted weak layers are present near the ground in these regions. Elsewhere, weak layers are to be expected mainly within the various layers of fresh snow and wind-drifted snow.</p><p>As the snowfall level rises to around 2600 m during the night to Sunday, the snowpack will become moist or wet over widespread areas, including at high altitudes.</p>"}}}