{"type": "Feature", "geometry": null, "properties": {"lang": "fr", "regions": [{"name": "Vanoise", "regionID": "FR-10"}], "weather": {"wind": [{"speeds": [20, 30, 30, 20], "altitude": "2500m"}, {"speeds": [50, 50, 40, 40], "altitude": "3500m"}], "comment": "les barres ou rochers, ainsi qu'en falaises pl\u00e2tr\u00e9es. Plus fr\u00e9quent l'apr\u00e8s-midi sous 2500m avec\nmidi.\nAper\u00e7u m\u00e9t\u00e9o pour le mardi 13 janvier\nlior\u00e9 nuit matin apr\u00e8s-midi soir", "isotherm0": [2600, 2600, 2700, 2700]}, "tendency": [{"comment": "

0 m 2 700 m 2 700 m

km/h 30 km/h 20 km/h

km/h 40 km/h 40 km/h

Tendance du mercredi 14 janvier

Indice de risque marqu\u00e9

core des plaques assez nombreuses,

rtout dans les ubacs abrit\u00e9s des vents

", "dangerRating": "considerable", "tendencyType": "steady"}], "validTime": {"endTime": "2026-01-13T23:59:59+00:00", "startTime": "2026-01-12T15:00:00Z"}, "bulletinID": "FR-10-2026-01-13-20260112145710", "customData": {"MF": {"date": "2026-01-13", "massif": "VANOISE", "redigeAt": "2026-01-12T16:00:00", "triggered": "

(moyenne) voire 3 (grande).

tests CT/ECT peuvent aider \u00e0 estimer la r\u00e9activit\u00e9 de la couche fragile).

d'accumulations, fissures devant les skis, changement de qualit\u00e9 de neige sur une courte distance.

", "historical": {"wind": {"2500m": [15, 15, 15, 10, 15, 20, 30, 30, 35, 40, 45, 50, 60, 50, 40, 40, 45, 50, 50, 40, 35, 20, 20, 15, 10, 10, 15, 20], "3500m": [30, 30, 25, 20, 25, 30, 40, 50, 60, 70, 70, 70, 90, 80, 70, 60, 60, 70, 70, 50, 50, 55, 55, 50, 50, 60, 60, 50]}, "snowLine": {"north": [1400, null, null, 1400, null, 600, null], "south": [null, 600, null, 600, null, 600, null]}, "freshSnow": [0, 10, 40, 45, 20, 0, 0]}, "source_file": "BRA.VANOISE.2026-01-12.pdf", "spontaneous": "

le redoux. Taille 2 (moyenne).

", "typicalAvalancheSituations": ["neige vent\u00e9e", "couche fragile persistante", "couche fragile"]}}, "highlights": "N Indice de risque marqu\u00e9.", "dangerRatings": [{"valid": true, "elevation": {"lowerBound": null, "upperBound": null}, "mainValue": "considerable"}], "publicationTime": "2026-01-12T14:57:10Z", "avalancheActivity": {"comment": "

le redoux. Taille 2 (moyenne).

(moyenne) voire 3 (grande).

tests CT/ECT peuvent aider \u00e0 estimer la r\u00e9activit\u00e9 de la couche fragile).

d'accumulations, fissures devant les skis, changement de qualit\u00e9 de neige sur une courte distance.

", "highlights": "N Indice de risque marqu\u00e9."}, "avalancheProblems": [{"order": 1, "aspects": ["N", "NE"], "satLabel": "neige vent\u00e9e", "elevation": {}, "frequency": "many", "problemType": "wind_slab", "avalancheSize": "2"}, {"order": 2, "aspects": ["N", "NE"], "satLabel": "couche fragile persistante", "elevation": {}, "frequency": "many", "problemType": "persistent_weak_layers", "avalancheSize": "2"}, {"order": 3, "aspects": ["N", "NE"], "satLabel": "couche fragile", "elevation": {}, "frequency": "many", "problemType": "no_distinct_avalanche_problem", "avalancheSize": "2"}], "snowpackStructure": {"comment": "

Situation avalancheuse typique

couche fragile persistante neige vent\u00e9e

D\u00e9clenchements provoqu\u00e9s :

(moyenne) voire 3 (grande).

tests CT/ECT peuvent aider \u00e0 estimer la r\u00e9activit\u00e9 de la couche fragile).

d'accumulations, fissures devant les skis, changement de qualit\u00e9 de neige sur une courte distance.

D\u00e9parts spontan\u00e9s :

le redoux. Taille 2 (moyenne).

"}}}