{"type": "Feature", "geometry": null, "properties": {"lang": "fr", "regions": [{"name": "Aravis", "regionID": "FR-02"}], "weather": {"wind": [{"speeds": [55, 55, 50, 40], "altitude": "2000m"}, {"speeds": [80, 80, 75, 65], "altitude": "2500m"}], "comment": "uses plaques tr\u00e8s r\u00e9actives et tr\u00e8s \u00e9paisses dans la neige fra\u00eeche. Cassure tr\u00e8s importante, 1 \u00e0 2\nAper\u00e7u m\u00e9t\u00e9o pour le jeudi 12 f\u00e9vrier\nskis nuit matin apr\u00e8s-midi soir", "isotherm0": [1800, 1600, 1600, 1500]}, "tendency": [{"comment": "<p>km/h 50 km/h 40 km/h</p><p>km/h 75 km/h 65 km/h</p><p>Tendance du vendredi 13 f\u00e9vrier</p><p>Indice de risque tr\u00e8s fort</p><p>sque spontan\u00e9 en nette baisse, mais risque</p><p>cidentel encore fort.</p>", "dangerRating": "no_rating", "tendencyType": "decreasing"}], "validTime": {"endTime": "2026-02-12T23:59:59+00:00", "startTime": "2026-02-11T15:00:00Z"}, "bulletinID": "FR-02-2026-02-12-20260211151239", "customData": {"MF": {"date": "2026-02-12", "massif": "ARAVIS", "redigeAt": "2026-02-11T16:00:00", "triggered": "", "historical": {"wind": {"2000m": [20, 25, 25, 25, 25, 30, 30, 20, 10, 5, 5, 5, 10, 5, 5, 5, 5, 15, 20, 45, 40, 40, 45, 60, 60, 55, 55, 70], "2500m": [30, 35, 50, 45, 50, 50, 40, 30, 20, 10, 10, 10, 20, 15, 10, 5, 5, 20, 30, 55, 50, 50, 60, 75, 90, 70, 70, 90]}, "snowLine": {"north": [800, null, null, 900, null, 900, null], "south": [null, 1000, null, 1000, null, 1000, null]}, "freshSnow": [15, 7, 0, 0, 5, 30, 0]}, "source_file": "BRA.ARAVIS.2026-02-11.pdf", "spontaneous": "<ul><li>Risque fort en soir\u00e9e de mercredi \u00e9voluant en risque maximal jeudi avec les cumuls exceptionnels. Les \u00e9paisseurs de neige fraiche sont de plus en plus cons\u00e9quentes (cf</li></ul>", "typicalAvalancheSituations": ["neige fra\u00eeche", "couche fragile persistante", "couche fragile"]}}, "highlights": "\u00c9PISODE D'AMPLEUR EXCEPTIONNEL", "dangerRatings": [{"valid": true, "elevation": {"lowerBound": 1800, "upperBound": null}, "mainValue": "very_high"}, {"valid": true, "elevation": {"lowerBound": null, "upperBound": 1800}, "mainValue": "high"}], "publicationTime": "2026-02-11T15:12:39Z", "avalancheActivity": {"comment": "<ul><li>Risque fort en soir\u00e9e de mercredi \u00e9voluant en risque maximal jeudi avec les cumuls exceptionnels. Les \u00e9paisseurs de neige fraiche sont de plus en plus cons\u00e9quentes (cf</li></ul>", "highlights": "\u00c9PISODE D'AMPLEUR EXCEPTIONNEL"}, "avalancheProblems": [{"order": 1, "aspects": [], "satLabel": "neige fra\u00eeche", "elevation": {}, "problemType": "new_snow"}, {"order": 2, "aspects": [], "satLabel": "couche fragile persistante", "elevation": {}, "problemType": "persistent_weak_layers"}, {"order": 3, "aspects": [], "satLabel": "couche fragile", "elevation": {}, "problemType": "no_distinct_avalanche_problem"}], "snowpackStructure": {"comment": "<h2>Situation avalancheuse typique</h2><p>neige fra\u00eeche couche fragile persistante</p><p>Situation exceptionnelle avec des cumuls de neige fraiche en fin de journ\u00e9e jeudi entre 1 m \u00e0 1.50 m \u00e0 2000 m.</p><p>D\u00e9parts spontan\u00e9s :</p><ul><li>Risque fort en soir\u00e9e de mercredi \u00e9voluant en risque maximal jeudi avec les cumuls exceptionnels. Les \u00e9paisseurs de neige fraiche sont de plus en plus cons\u00e9quentes (cf</li></ul>"}}}