{"prose": {"tendency": [{"comment": "<p>Tendance du mercredi 31 d\u00e9cembre</p><p>Indice de risque limit\u00e9</p><p>mps froid et sec. Peu d&#x27;\u00e9volution de la</p><p>uation nivologique. Risque limit\u00e9.</p>", "valid_from": null, "valid_until": null, "tendency_type": "steady"}], "tendency_lead": null, "weather_review": null, "weather_forecast": null, "avalanche_activity": {"comment": "<p>peu probables. L&#x27;humidification de surface au soleil est plus faible que les jours pr\u00e9c\u00e9dents, et le manteau neigeux est d\u00e9j\u00e0 bien stabilis\u00e9 en versants</p><p>ensoleill\u00e9s.</p><p>manteau neigeux g\u00e9n\u00e9ralement bien stabilis\u00e9, instabilit\u00e9 limit\u00e9e \u00e0 de rares pentes froides d&#x27;altitude, au-dessus de 2200 m d&#x27;altitude. Plaques</p><p>r\u00e9siduelles, identifiables dans les zones d&#x27;accumulations et ruptures de pentes, parfois loin des cr\u00eates. Plaques g\u00e9n\u00e9ralement difficiles \u00e0 d\u00e9clencher, peu \u00e9paisses et de petite</p><p>taille (taille 1), sauf en de rares pentes d&#x27;altitude en orientations ouest, nord et est. La rupture d&#x27;une couche fragile persistante enfouie peut alors g\u00e9n\u00e9rer des avalanches de</p><p>grande largeur, mobilisant de plus grands volumes de neige (taille 2).</p>", "highlights": "INSTABILIT\u00c9 LIMIT\u00c9E EN ALTITUDE"}, "snowpack_structure": "<h2>Situation avalancheuse typique</h2><p>couche fragile persistante neige vent\u00e9e</p><p>D\u00e9clenchements provoqu\u00e9s : manteau neigeux g\u00e9n\u00e9ralement bien stabilis\u00e9, instabilit\u00e9 limit\u00e9e \u00e0 de rares pentes froides d&#x27;altitude, au-dessus de 2200 m d&#x27;altitude. Plaques</p><p>r\u00e9siduelles, identifiables dans les zones d&#x27;accumulations et ruptures de pentes, parfois loin des cr\u00eates. Plaques g\u00e9n\u00e9ralement difficiles \u00e0 d\u00e9clencher, peu \u00e9paisses et de petite</p><p>taille (taille 1), sauf en de rares pentes d&#x27;altitude en orientations ouest, nord et est. La rupture d&#x27;une couche fragile persistante enfouie peut alors g\u00e9n\u00e9rer des avalanches de</p><p>grande largeur, mobilisant de plus grands volumes de neige (taille 2).</p><p>D\u00e9parts spontan\u00e9s : peu probables. L&#x27;humidification de surface au soleil est plus faible que les jours pr\u00e9c\u00e9dents, et le manteau neigeux est d\u00e9j\u00e0 bien stabilis\u00e9 en versants</p><p>ensoleill\u00e9s.</p>"}, "danger": {"key": "moderate", "number": "2", "ratings": [{"key": "moderate", "period": "all_day", "elevation": {"lower": 2200, "upper": null, "treeline": false, "treeline_side": null}, "subdivision": null}, {"key": "low", "period": "all_day", "elevation": {"lower": null, "upper": 2200, "treeline": false, "treeline_side": null}, "subdivision": null}], "subdivision": null}, "source": "METEOFRANCE", "traits": [{"prose": null, "title": "Dry avalanches", "band_id": null, "category": "dry", "problems": [{"extras": {}, "aspects": ["N", "W"], "elevation": {"lower": 2200, "upper": null, "treeline": false, "treeline_side": null}, "frequency": null, "time_period": "", "comment_html": "", "problem_type": "wind_slab", "avalanche_size": null, "avalanche_type": null, "core_zone_text": null, "snowpack_stability": null, "danger_rating_value": "moderate"}, {"extras": {}, "aspects": ["N", "W"], "elevation": {"lower": 2200, "upper": null, "treeline": false, "treeline_side": null}, "frequency": null, "time_period": "", "comment_html": "", "problem_type": "persistent_weak_layers", "avalanche_size": null, "avalanche_type": null, "core_zone_text": null, "snowpack_stability": null, "danger_rating_value": "moderate"}, {"extras": {}, "aspects": ["N", "W"], "elevation": {"lower": 2200, "upper": null, "treeline": false, "treeline_side": null}, "frequency": null, "time_period": "", "comment_html": "", "problem_type": "no_distinct_avalanche_problem", "avalanche_size": null, "avalanche_type": null, "core_zone_text": null, "snowpack_stability": null, "danger_rating_value": "moderate"}], "elevation": null, "geography": {"source": "problems"}, "time_period": "all_day", "danger_level": 2}], "version": 8, "metadata": {"lang": "fr", "valid_from": "2025-12-29T14:00:00+00:00", "next_update": null, "unscheduled": false, "valid_until": "2025-12-30T23:59:59+00:00", "publication_time": "2025-12-29T14:29:03+00:00"}, "danger_patterns": []}