{"type": "Feature", "geometry": null, "properties": {"lang": "fr", "regions": [{"name": "Belledonne", "regionID": "FR-08"}], "weather": {"wind": [{"speeds": [5, 10, 15, 20], "altitude": "2000m"}, {"speeds": [15, 25, 35, 40], "altitude": "3000m"}], "comment": "mbe\ntr\u00e8s\nenne\nPluie-Neige\naines\nIso 0 \u00b0C 1 300 m 1 900 m 1 800 m 1 600 m\nVent 2000 m 5 km/h 10 km/h 15 km/h 20 km/h", "isotherm0": []}, "tendency": [{"comment": "<p>Indice de risque faible</p><p>ndredi, pas d&#x27;\u00e9volution significative de la</p><p>uation nivologique.</p>", "dangerRating": "low", "tendencyType": "steady"}], "validTime": {"endTime": "2026-01-01T23:59:59+00:00", "startTime": "2025-12-31T15:00:00Z"}, "bulletinID": "FR-08-2026-01-01-20251231150621", "customData": {"MF": {"date": "2026-01-01", "massif": "BELLEDONNE", "redigeAt": "2025-12-31T16:00:00", "triggered": "<p>l&#x27;enneigement est faible et le manteau neigeux bien stabilis\u00e9. Il semble difficile d&#x27;envisager un d\u00e9clenchement accidentel par un skieur, \u00e0</p><p>l&#x27;exception d&#x27;une \u00e9ventuelle plaque isol\u00e9e form\u00e9e par vent d&#x27;est, de petite taille et en versant froid de haute altitude.</p>", "historical": {"wind": {"2000m": [55, 60, 45, 35, 35, 40, 35, 35, 35, 35, 30, 25, 25, 20, 15, 5, 5, 15, 15, 15, 15, 45, 40, 35, 15, 15, 10, 5], "3000m": [35, 20, 30, 30, 55, 60, 55, 50, 55, 50, 45, 40, 35, 30, 25, 5, 5, 20, 20, 15, 20, 50, 50, 40, 35, 40, 30, 15]}, "snowLine": {"north": [1300, null, null, 1300, null, 1300, null], "south": [null, 1300, null, 1300, null, 1300, null]}, "freshSnow": [1, 0, 0, 0, 0, 0, 0]}, "source_file": "BRA.BELLEDONNE.2025-12-31.pdf", "spontaneous": "<p>peu probables.</p>", "typicalAvalancheSituations": ["pas de situation pr\u00e9dominante"]}}, "highlights": "MANTEAU NEIGEUX STABLE", "dangerRatings": [{"valid": true, "elevation": {"lowerBound": null, "upperBound": null}, "mainValue": "low"}], "publicationTime": "2025-12-31T15:06:21Z", "avalancheActivity": {"comment": "<p>peu probables.</p><p>l&#x27;enneigement est faible et le manteau neigeux bien stabilis\u00e9. Il semble difficile d&#x27;envisager un d\u00e9clenchement accidentel par un skieur, \u00e0</p><p>l&#x27;exception d&#x27;une \u00e9ventuelle plaque isol\u00e9e form\u00e9e par vent d&#x27;est, de petite taille et en versant froid de haute altitude.</p>", "highlights": "MANTEAU NEIGEUX STABLE"}, "avalancheProblems": [{"order": 1, "aspects": [], "satLabel": "pas de situation pr\u00e9dominante", "elevation": {}, "frequency": "few", "problemType": "no_distinct_avalanche_problem", "avalancheSize": "1"}], "snowpackStructure": {"comment": "<h2>Situation avalancheuse typique</h2><p>pas de situation pr\u00e9dominante</p><p>D\u00e9clenchements provoqu\u00e9s : l&#x27;enneigement est faible et le manteau neigeux bien stabilis\u00e9. Il semble difficile d&#x27;envisager un d\u00e9clenchement accidentel par un skieur, \u00e0</p><p>l&#x27;exception d&#x27;une \u00e9ventuelle plaque isol\u00e9e form\u00e9e par vent d&#x27;est, de petite taille et en versant froid de haute altitude.</p><p>D\u00e9parts spontan\u00e9s : peu probables.</p>"}}}