{"prose": {"tendency": [{"comment": "<p>0 m 2 600 m 2 700 m</p><p>km/h 40 km/h 50 km/h</p><p>km/h 60 km/h 70 km/h</p><p>Tendance du mardi 16 d\u00e9cembre</p><p>Indice de risque marqu\u00e9</p><p>ardi, ciel voil\u00e9 \u00e0 couvert. Fort Foehn dans la</p><p>uit et le matin puis il faiblit</p><p>plaques \u00e0 vent de plus en plus nombreuses</p><p>ns la neige froide.</p>", "valid_from": null, "valid_until": null, "tendency_type": "steady"}], "tendency_lead": null, "weather_review": null, "weather_forecast": null, "avalanche_activity": {"comment": "<p>Rares plaques de fond de jour comme de nuit sur les pentes herbeuses ou les dalles rocheuses, sous 2400 m, surtout dans les versants ensoleill\u00e9s. Taille 2 (moyenne).</p><ul><li>plaques \u00e0 vent sur sous-couche fragile persistante, dans les versants est/nord/ouest, entre 2200 m et 2800 m. Difficile \u00e0 d\u00e9clencher. Taille 2 (moyenne) et rarement 3 (grande)</li></ul><p>avec des cassures de 80 cm/1 m.</p><ul><li>nombreuses plaques \u00e0 vent au-dessus de 2000 m en ubacs et 2600 m en adrets. Facile \u00e0 D\u00e9clencher. Taille 1 (petite) \u00e0 2 (moyenne). Form\u00e9es par le Foehn de lundi.</li></ul><p>Observables : transport de neige par le vent, vaguelettes, accumulations de neige, fissures devant les skis.</p>", "highlights": "\u00c9PISODE DE VENT FOEHN, FORMATION DE PLAQUES DANS LA NEIGE FROIDE"}, "snowpack_structure": "<h2>Situation avalancheuse typique</h2><p>couche fragile persistante neige vent\u00e9e</p><p>D\u00e9clenchements provoqu\u00e9s :</p><ul><li>plaques \u00e0 vent sur sous-couche fragile persistante, dans les versants est/nord/ouest, entre 2200 m et 2800 m. Difficile \u00e0 d\u00e9clencher. Taille 2 (moyenne) et rarement 3 (grande)</li></ul><p>avec des cassures de 80 cm/1 m.</p><ul><li>nombreuses plaques \u00e0 vent au-dessus de 2000 m en ubacs et 2600 m en adrets. Facile \u00e0 D\u00e9clencher. Taille 1 (petite) \u00e0 2 (moyenne). Form\u00e9es par le Foehn de lundi.</li></ul><p>Observables : transport de neige par le vent, vaguelettes, accumulations de neige, fissures devant les skis.</p><p>D\u00e9parts spontan\u00e9s :</p><p>Rares plaques de fond de jour comme de nuit sur les pentes herbeuses ou les dalles rocheuses, sous 2400 m, surtout dans les versants ensoleill\u00e9s. Taille 2 (moyenne).</p>"}, "danger": {"key": "considerable", "number": "3", "ratings": [{"key": "considerable", "period": "all_day", "elevation": {"lower": 2200, "upper": null, "treeline": false, "treeline_side": null}, "subdivision": null}, {"key": "moderate", "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", "NE", "SE", "S", "SW", "W", "NW"], "elevation": {"lower": 2200, "upper": 2800, "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": "considerable"}, {"extras": {}, "aspects": ["N", "NE", "SE", "S", "SW", "W", "NW"], "elevation": {"lower": 2200, "upper": 2800, "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": "considerable"}, {"extras": {}, "aspects": ["N", "NE", "SE", "S", "SW", "W", "NW"], "elevation": {"lower": 2200, "upper": 2800, "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": "considerable"}], "elevation": null, "geography": {"source": "problems"}, "time_period": "all_day", "danger_level": 3}], "version": 8, "metadata": {"lang": "fr", "valid_from": "2025-12-14T15:00:00+00:00", "next_update": null, "unscheduled": false, "valid_until": "2025-12-15T23:59:59+00:00", "publication_time": "2025-12-14T14:58:32+00:00"}, "danger_patterns": []}