{"type": "Feature", "geometry": null, "properties": {"lang": "en", "regions": [{"name": "Binntal", "regionID": "CH-4242"}, {"name": "Zermatt", "regionID": "CH-4222"}, {"name": "Conthey-Fully", "regionID": "CH-4114"}, {"name": "Konkordia Gebiet", "regionID": "CH-4213"}, {"name": "Saas Fee", "regionID": "CH-4223"}, {"name": "Riederalp", "regionID": "CH-4214"}, {"name": "untere Vispert\u00e4ler", "regionID": "CH-4221"}, {"name": "untere Leventina", "regionID": "CH-6115"}, {"name": "Bleniotal", "regionID": "CH-6113"}, {"name": "Mattmark", "regionID": "CH-4225"}, {"name": "s\u00fcdliches Simplon Gebiet", "regionID": "CH-4232"}, {"name": "Bedrettotal", "regionID": "CH-6111"}, {"name": "Leukerbad - L\u00f6tschental", "regionID": "CH-4211"}, {"name": "Val d'Entremont-Val Ferret", "regionID": "CH-4113"}, {"name": "s\u00fcdliches Obergoms", "regionID": "CH-4244"}, {"name": "basso Moesano", "regionID": "CH-6212"}, {"name": "obere Leventina", "regionID": "CH-6112"}, {"name": "n\u00f6rdliches Simplon Gebiet", "regionID": "CH-4231"}, {"name": "Reckingen", "regionID": "CH-4241"}, {"name": "alto Moesano", "regionID": "CH-6211"}, {"name": "Monte Rosa", "regionID": "CH-4224"}, {"name": "G\u00e9n\u00e9pi", "regionID": "CH-4112"}, {"name": "Arolla", "regionID": "CH-4123"}, {"name": "Montana", "regionID": "CH-4121"}, {"name": "Leuk", "regionID": "CH-4215"}, {"name": "n\u00f6rdliches Obergoms", "regionID": "CH-4243"}, {"name": "Mountet", "regionID": "CH-4125"}, {"name": "Haut Val de Bagnes", "regionID": "CH-4116"}, {"name": "obere Maggiat\u00e4ler", "regionID": "CH-6114"}], "tendency": [{"comment": "<h1>Outlook</h1><h2>Saturday</h2><p>After a quite clear night, it will be sunny and mild. The zero-degree level will increase back up to 3000 m and the wind will mostly be light.</p><p>The danger of dry avalanches will decrease. Due to the somewhat reduced nocturnal radiation, the danger of wet and gliding avalanches will increase rapidly as the day progresses.</p><h2>Sunday</h2><p>In Grisons, the night will be quite clear and the day partly sunny. In the other regions, it will be mostly overcast during both the night and the day. In the afternoon, precipitation will set in in the west, with a snowfall level at around 2500 m. There will mostly be a light southerly wind.</p><p>The risk of dry avalanches will not change significantly. In the west, moist avalanches are possible in the afternoon with the rain. Elsewhere, the danger of wet avalanches will no longer increase as sharply as on previous days.</p>"}], "validTime": {"endTime": "2026-04-10T15:00:00Z", "startTime": "2026-04-10T06:00:00Z"}, "bulletinID": "f1e63759-b11f-427b-bbe9-c827e3017648", "customData": {"CH": {"aggregation": [{"title": "Dry avalanches, whole day", "category": "dry", "problemTypes": ["persistent_weak_layers"], "validTimePeriod": "all_day"}, {"title": "Wet-snow avalanches, as the day progresses", "category": "wet", "problemTypes": ["wet_snow"], "validTimePeriod": "later"}]}}, "nextUpdate": "2026-04-10T15:00:00Z", "unscheduled": false, "dangerRatings": [{"mainValue": "moderate", "customData": {"CH": {"subdivision": "minus"}}, "validTimePeriod": "all_day"}, {"mainValue": "considerable", "validTimePeriod": "later"}], "weatherReview": {"comment": "<h1>Weather review for Thursday</h1><p>After a clear night, it was sunny and mild with a zero-degree level at 3000 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>-</p><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around +7 \u00b0C in the north and +10 \u00b0C in the south</p><h2 contenteditable=\"false\">Wind</h2><p>Light to moderate from the northwest</p>"}, "publicationTime": "2026-04-10T06:00:00Z", "weatherForecast": {"comment": "<h1>Weather forecast to Friday</h1><p>The night will be partly clear. During the day, it will be partly sunny in the west and in the south. On the northern flank of the Alps from the eastern Bernese Oberland to Liechtenstein and in northern Grisons, it will be heavily overcast during the day, and a small amount of snow will fall above 2200 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>Up to 5 cm of fresh snow is expected on the central and eastern parts of the northern flank of the Alps and in northern Grisons.</p><h2>Temperature</h2><p>At midday at 2000 m between +7 \u00b0C in the southwest and +3 \u00b0C in the northeast</p><h2>Wind</h2><p>Moderate, sometimes strong at high altitudes from northwesterly directions</p>"}, "avalancheProblems": [{"aspects": ["N", "NE", "NW"], "comment": "In some places dry avalanches can be released in the old snowpack and reach medium size. These avalanche prone locations are rare but are barely recognisable, even to the trained eye. Caution is to be exercised in areas where the snow cover is rather shallow in little used backcountry terrain. <br/> As a consequence of warming during the day and the solar radiation, the likelihood of dry and moist avalanches being released will increase a little in all aspects. <br/> Backcountry touring and other off-piste activities call for careful route selection.", "elevation": {"lowerBound": "2400"}, "customData": {"CH": {"subdivision": "minus", "coreZoneText": "Danger level \"moderate\" (2-) in northwest to north to northeast facing aspects above 2400m."}}, "problemType": "persistent_weak_layers", "validTimePeriod": "all_day", "dangerRatingValue": "moderate"}, {"comment": "At high altitude the snowpack is frozen but the crust is only thin. <br/> As the day progresses as a consequence of warming during the day and solar radiation there will be an appreciable increase in the danger of wet and gliding avalanches. This applies in particular on steep sunny slopes between approximately 2000 and 3000 m, as well as on steep north facing slopes between approximately 1600 and 2400 m. Natural avalanches are to be expected. Wet avalanches can additionally in some places be released by people. Isolated whumpfing sounds can indicate the danger. Avalanches can reach large size. <br/> Backcountry tours should be started early and concluded timely.", "problemType": "wet_snow", "validTimePeriod": "later", "dangerRatingValue": "considerable"}], "snowpackStructure": {"comment": "<h1>Snowpack</h1><p>Weak layers in the upper part of the snowpack can in some cases still be triggered by human activity. Such avalanche-prone locations are to be found on still dry north-facing slopes at high altitudes and on sunny slopes that are being moistened for the first time. The likelihood of triggering increases during the course of each day. Deeper in the snowpack there are faceted layers, which in isolated cases are still prone to triggering on slopes with little snow that are little used, particularly in central Valais and in Grisons.</p><p>Especially north of a line from the Rhone to the Rhine, isolated gliding avalanches are still to be expected. These are also usually triggered during the course of the day.</p>"}}}