{"prose": {"tendency": [{"comment": "<p>km/h 30 km/h 35 km/h</p><p>km/h 65 km/h 70 km/h</p><p>Tendance du dimanche 18 janvier</p><p>Indice de risque marqu\u00e9</p><p>sque stationnaire. Le foehn faiblit en</p><p>urn\u00e9e de dimanche.</p>", "valid_from": null, "valid_until": null, "tendency_type": "steady"}], "tendency_lead": null, "weather_review": null, "weather_forecast": null, "avalanche_activity": {"comment": "<h2>* En dessous de 2200/2400 m</h2><p>rares avalanches de fond, dans les zones herbeuses ou les dalles rocheuses. Taille 1 \u00e0 2 (petite \u00e0 moyenne).</p><ul><li>Au-dessus 2800/3000 m : rares d\u00e9parts de plaques \u00e0 vent souvent en ubacs. Taille 1 \u00e0 2 (petite \u00e0 moyenne)</li></ul>", "highlights": "INSTABILIT\u00c9 MARQU\u00c9E EN UBACS."}, "snowpack_structure": "<h2>Situation avalancheuse typique</h2><p>couche fragile persistante neige vent\u00e9e</p><p>D \u00e9clenchements provoqu\u00e9s :</p><ul><li>Dans les secteurs Nord/Est/Ouest, on retrouve la pr\u00e9sence d&#x27;une sous-couche fragile persistante au-dessus de 1800/2200 m, et dans d&#x27;assez nombreuses pentes au-dessus de</li></ul><p>2000 m. Dans ces endroits, les plaques sont de grosses \u00e9paisseurs (possibilit\u00e9 de d\u00e9part en cascade), de taille 2 \u00e0 3 (moyenne \u00e0 grande). Ces plaques se trouvent parfois dans</p><p>les pentes d\u00e9j\u00e0 ski\u00e9es. Elles sont d\u00e9clenchables \u00e0 distances.</p><ul><li>Formation de plaques \u00e0 vent au-dessus de 2600/2800 m d\u00fb au Foehn. Elles restent de tailles limit\u00e9es 1 \u00e0 2 (petite \u00e0 moyenne).</li></ul><p>Observables : transport de neige, irr\u00e9gularit\u00e9s d&#x27;\u00e9paisseurs, fissures sous les skis.</p><p>D\u00e9parts spontan\u00e9s :</p><ul><li>En dessous de 2200/2400 m : rares avalanches de fond, dans les zones herbeuses ou les dalles rocheuses. Taille 1 \u00e0 2 (petite \u00e0 moyenne).</li><li>Au-dessus 2800/3000 m : rares d\u00e9parts de plaques \u00e0 vent souvent en ubacs. Taille 1 \u00e0 2 (petite \u00e0 moyenne)</li></ul>"}, "danger": {"key": "considerable", "number": "3", "ratings": [{"key": "considerable", "period": "all_day", "elevation": {"lower": 2000, "upper": null, "treeline": false, "treeline_side": null}, "subdivision": null}, {"key": "moderate", "period": "all_day", "elevation": {"lower": null, "upper": 2000, "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", "NW"], "elevation": 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", "NW"], "elevation": 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", "NW"], "elevation": 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": "2026-01-16T15:00:00+00:00", "next_update": null, "unscheduled": false, "valid_until": "2026-01-17T23:59:59+00:00", "publication_time": "2026-01-16T14:58:39+00:00"}, "danger_patterns": []}