{"type": "Feature", "geometry": null, "properties": {"lang": "fr", "regions": [{"name": "Chartreuse", "regionID": "FR-07"}], "weather": {"wind": [{"speeds": [45, 30, 20, 15], "altitude": "1500m"}, {"speeds": [70, 50, 40, 30], "altitude": "2000m"}], "comment": "rcie,\nPluie-Neige\nIso 0 \u00b0C 2 700 m 2 500 m 2 400 m 2 300 m\nVent 1500 m 45 km/h 30 km/h 20 km/h 15 km/h", "isotherm0": []}, "tendency": [{"comment": "

Indice de risque faible

s petites pluies attendues pourraient

calement \u00eatre \u00e0 l'origine d'un d\u00e9part en

ige humide samedi.

", "dangerRating": "low", "tendencyType": "steady"}], "validTime": {"endTime": "2025-12-19T23:59:59+00:00", "startTime": "2025-12-18T15:00:00Z"}, "bulletinID": "FR-07-2025-12-19-20251218144029", "customData": {"MF": {"date": "2025-12-19", "massif": "CHARTREUSE", "redigeAt": "2025-12-18T16:00:00", "triggered": "

sous l'effet du redoux prolong\u00e9 et d'\u00e9pisodes de pluie, le manteau neigeux s'est bien consolid\u00e9. Il est constitu\u00e9 de couches denses qui ne

renferment que de tr\u00e8s rares instabilit\u00e9s.

", "historical": {"wind": {"1500m": [20, 15, 5, 5, 5, 5, 5, 5, 5, 10, 15, 40, 45, 50, 50, 45, 35, 25, 20, 20, 5, 5, 5, 10, 20, 30, 35, 40], "2000m": [30, 20, 20, 5, 15, 5, 5, 10, 20, 25, 30, 50, 60, 65, 65, 60, 50, 35, 35, 30, 15, 5, 10, 30, 40, 50, 70, 70]}, "snowLine": {"north": [1200, null, null, 1200, null, 1200, null], "south": [null, 1200, null, 1200, null, 1200, null]}, "freshSnow": [0, 0, 0, 0, 0, 0, 0]}, "source_file": "BRA.CHARTREUSE.2025-12-18.pdf", "spontaneous": "

Peu probables.

", "typicalAvalancheSituations": ["pas de situation pr\u00e9dominante"]}}, "highlights": "MANTEAU NEIGEUX STABLE.", "dangerRatings": [{"valid": true, "elevation": {"lowerBound": null, "upperBound": null}, "mainValue": "low"}], "publicationTime": "2025-12-18T14:40:29Z", "avalancheActivity": {"comment": "

Peu probables.

sous l'effet du redoux prolong\u00e9 et d'\u00e9pisodes de pluie, le manteau neigeux s'est bien consolid\u00e9. Il est constitu\u00e9 de couches denses qui ne

renferment que de tr\u00e8s rares instabilit\u00e9s.

", "highlights": "MANTEAU NEIGEUX STABLE."}, "avalancheProblems": [{"order": 1, "aspects": [], "satLabel": "pas de situation pr\u00e9dominante", "elevation": {}, "frequency": "few", "problemType": "no_distinct_avalanche_problem"}], "snowpackStructure": {"comment": "

Situation avalancheuse typique

pas de situation pr\u00e9dominante

D\u00e9clenchements provoqu\u00e9s : sous l'effet du redoux prolong\u00e9 et d'\u00e9pisodes de pluie, le manteau neigeux s'est bien consolid\u00e9. Il est constitu\u00e9 de couches denses qui ne

renferment que de tr\u00e8s rares instabilit\u00e9s.

D\u00e9parts spontan\u00e9s : Peu probables.

"}}}