{"type": "Feature", "geometry": null, "properties": {"lang": "fr", "regions": [{"name": "Chartreuse", "regionID": "FR-07"}], "weather": {"wind": [{"speeds": [20, 25, 30, 40], "altitude": "2000m"}], "comment": "iron,\nar le\nPluie-Neige 1 500 m\neige Iso 0 \u00b0C 1 800 m 1 800 m 2 000 m 2 000 m\nn\u00e9e .\nVent 1500 m 10 km/h 10 km/h 10 km/h 15 km/h", "isotherm0": []}, "tendency": [{"comment": "<p>Indice de risque faible</p><p>ndi, pas d&#x27;\u00e9volution significative des</p><p>nditions nivologiques.</p>", "dangerRating": "low", "tendencyType": "steady"}], "validTime": {"endTime": "2026-03-01T23:59:59+00:00", "startTime": "2026-02-28T15:00:00Z"}, "bulletinID": "FR-07-2026-03-01-20260228145004", "customData": {"MF": {"date": "2026-03-01", "massif": "CHARTREUSE", "redigeAt": "2026-02-28T16:00:00", "triggered": "<p>tr\u00e8s difficiles.</p>", "historical": {"wind": {"1500m": [10, 10, 10, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 15, 15, 25, 20, 20, 10, 10, 15, 15, 25, 25, 25, 20, 15, 15], "2000m": [35, 35, 30, 30, 30, 20, 20, 30, 35, 35, 20, 15, 25, 25, 25, 30, 20, 20, 20, 15, 15, 10, 25, 25, 30, 30, 25, 20]}, "snowLine": {"north": [900, null, null, 1000, null, 1000, null], "south": [null, 1100, null, 1100, null, 1100, null]}, "freshSnow": [0, 0, 0, 0, 0, 0, 0]}, "source_file": "BRA.CHARTREUSE.2026-02-28.pdf", "spontaneous": "<p>la baisse des temp\u00e9ratures et de l&#x27;ensoleillement limite l&#x27;humidification en journ\u00e9e et diminue le risque d&#x27;avalanche. La probabilit\u00e9 qu&#x27;une fissure de</p><p>reptation vienne \u00e0 c\u00e9der spontan\u00e9ment sera faible dimanche.</p>", "typicalAvalancheSituations": ["pas de situation pr\u00e9dominante"]}}, "highlights": "MANTEAU NEIGEUX BIEN STABILIS\u00c9 DANS LA PLUPART DES PENTES.", "dangerRatings": [{"valid": true, "elevation": {"lowerBound": null, "upperBound": null}, "mainValue": "low"}], "publicationTime": "2026-02-28T14:50:04Z", "avalancheActivity": {"comment": "<p>la baisse des temp\u00e9ratures et de l&#x27;ensoleillement limite l&#x27;humidification en journ\u00e9e et diminue le risque d&#x27;avalanche. La probabilit\u00e9 qu&#x27;une fissure de</p><p>reptation vienne \u00e0 c\u00e9der spontan\u00e9ment sera faible dimanche.</p><p>tr\u00e8s difficiles.</p>", "highlights": "MANTEAU NEIGEUX BIEN STABILIS\u00c9 DANS LA PLUPART DES PENTES."}, "avalancheProblems": [{"order": 1, "aspects": [], "satLabel": "pas de situation pr\u00e9dominante", "elevation": {}, "problemType": "no_distinct_avalanche_problem"}], "snowpackStructure": {"comment": "<h2>Situation avalancheuse typique</h2><p>pas de situation pr\u00e9dominante</p><p>Sous l&#x27;effet d&#x27;une semaine de soleil et de grande douceur, le manteau neigeux s&#x27;est consid\u00e9rablement tass\u00e9 et il est maintenant bien consolid\u00e9.</p><p>D\u00e9parts spontan\u00e9s : la baisse des temp\u00e9ratures et de l&#x27;ensoleillement limite l&#x27;humidification en journ\u00e9e et diminue le risque d&#x27;avalanche. La probabilit\u00e9 qu&#x27;une fissure de</p><p>reptation vienne \u00e0 c\u00e9der spontan\u00e9ment sera faible dimanche.</p><p>D\u00e9clenchements provoqu\u00e9s : tr\u00e8s difficiles.</p>"}}}