{"type": "Feature", "geometry": null, "properties": {"lang": "fr", "regions": [{"name": "Pelvoux", "regionID": "FR-16"}], "weather": {"wind": [{"speeds": [5, 5, 10, 5], "altitude": "2000m"}, {"speeds": [15, 15, 20, 15], "altitude": "3000m"}], "comment": "e est nuit matin apr\u00e8s-midi soir\n00 m\nTempse sec, s'ennuageant. Vent plut\u00f4t faible.\nPluie-Neige\nar le\neige Iso 0 \u00b0C 2 800 m 3 200 m 3 000 m 2 800 m", "isotherm0": [2800, 3200, 3000, 2800]}, "tendency": [{"comment": "<p>Tendance du mardi 11 novembre</p><p>Indice de risque faible</p><p>s d&#x27;\u00e9volution compte tenu des conditions</p><p>\u00e9t\u00e9orologiques s\u00e8ches et peu vent\u00e9es.</p>", "dangerRating": "low", "tendencyType": "steady"}], "validTime": {"endTime": "2025-11-10T23:59:59+00:00", "startTime": "2025-11-09T15:00:00Z"}, "bulletinID": "FR-16-2025-11-10-20251109145328", "customData": {"MF": {"date": "2025-11-10", "massif": "PELVOUX", "redigeAt": "2025-11-09T16:00:00", "triggered": "<p>des plaques localis\u00e9es peuvent persister en versants de large nord sup\u00e9rieurs \u00e0 2600 m environ. Ces instabilit\u00e9s, g\u00e9n\u00e9ralement de petite taille,</p><p>sont possiblement d\u00e9clenchables \u00e0 distance et peuvent d\u00e9stabiliser un skieur ou randonneur en pente raide. Ces instabilit\u00e9s sont la cons\u00e9quence de la pr\u00e9sence locale d&#x27;une</p><p>couche fragile persistante (grains anguleux) dans le manteau neigeux.</p>", "historical": {"wind": {"2000m": [30, 20, 10, 5, 5, 5, 5, 5, 5, 5, 5, 10, 10, 10, 15, 20, 15, 10, 10, 10, 5, 5, 10, 5, 10, 10, 5, 5], "3000m": [45, 30, 15, 10, 10, 10, 20, 25, 30, 25, 30, 40, 25, 20, 25, 35, 50, 40, 30, 15, 10, 10, 10, 10, 10, 10, 5, 10]}, "snowLine": {"north": [2000, null, null, 2100, null, 2100, null], "south": [null, 2100, null, 2100, null, 2100, null]}, "freshSnow": [0, 0, 0, 1, 1, 0, 0]}, "source_file": "BRA.PELVOUX.2025-11-09.pdf", "spontaneous": "<p>peu probables.</p>", "typicalAvalancheSituations": ["couche fragile persistante", "couche fragile"]}}, "highlights": "RARES PLAQUES PERSISTANTES EN LARGE NORD DE HAUTE ALTITUDE - MANTEAU NEIGEUX GLOBALEMENT STABLE", "dangerRatings": [{"valid": true, "elevation": {"lowerBound": null, "upperBound": null}, "mainValue": "low"}], "publicationTime": "2025-11-09T14:53:28Z", "avalancheActivity": {"comment": "<p>peu probables.</p><p>des plaques localis\u00e9es peuvent persister en versants de large nord sup\u00e9rieurs \u00e0 2600 m environ. Ces instabilit\u00e9s, g\u00e9n\u00e9ralement de petite taille,</p><p>sont possiblement d\u00e9clenchables \u00e0 distance et peuvent d\u00e9stabiliser un skieur ou randonneur en pente raide. Ces instabilit\u00e9s sont la cons\u00e9quence de la pr\u00e9sence locale d&#x27;une</p><p>couche fragile persistante (grains anguleux) dans le manteau neigeux.</p>", "highlights": "RARES PLAQUES PERSISTANTES EN LARGE NORD DE HAUTE ALTITUDE - MANTEAU NEIGEUX GLOBALEMENT STABLE"}, "avalancheProblems": [{"order": 1, "aspects": ["N"], "satLabel": "couche fragile persistante", "elevation": {}, "problemType": "persistent_weak_layers", "avalancheSize": "1"}, {"order": 2, "aspects": ["N"], "satLabel": "couche fragile", "elevation": {}, "problemType": "no_distinct_avalanche_problem", "avalancheSize": "1"}], "snowpackStructure": {"comment": "<h2>Situation avalancheuse typique</h2><p>couche fragile persistante</p><p>D\u00e9clenchements provoqu\u00e9s : des plaques localis\u00e9es peuvent persister en versants de large nord sup\u00e9rieurs \u00e0 2600 m environ. Ces instabilit\u00e9s, g\u00e9n\u00e9ralement de petite taille,</p><p>sont possiblement d\u00e9clenchables \u00e0 distance et peuvent d\u00e9stabiliser un skieur ou randonneur en pente raide. Ces instabilit\u00e9s sont la cons\u00e9quence de la pr\u00e9sence locale d&#x27;une</p><p>couche fragile persistante (grains anguleux) dans le manteau neigeux.</p><p>D\u00e9parts spontan\u00e9s : peu probables.</p>"}}}