km/h 65 km/h 55 km/h
km/h 85 km/h 65 km/h
Tendance du vendredi 13 f\u00e9vrier
Indice de risque fort
sque accidentel demeurant maximal :
paisse couche de neige r\u00e9cente n'est pas
abilis\u00e9. Les d\u00e9parts spontan\u00e9s deviennent
us rares. Grandes avalanches possibles,
\u00eame \u00e0 distance.
", "valid_from": null, "valid_until": null, "tendency_type": "steady"}], "tendency_lead": null, "weather_review": null, "weather_forecast": null, "avalanche_activity": {"comment": "AVALANCHES EXCEPTIONNELLES. D\u00e9clenchement possible autant dans la nuit de mercredi \u00e0 jeudi que JEUDI TOUTE LA JOURNEE.
Elles parcourent de grands d\u00e9nivel\u00e9s avec un risque d'a\u00e9rosols jusqu'en fond de vall\u00e9e. GROS VOLUMES MOBLIS\u00c9S, AVALANCHES pouvant approcher LEUR EMPRISE MAXIMALE
CONNUE.
Ailleurs, l'activit\u00e9 naturelle est tr\u00e8s importante mais implique des volumes de neige moins importants. Grandes avalanches (taille 3) possibles.
RISQUE MAXIMAL. Plaques nombreuses et \u00e9paisses, tr\u00e8s r\u00e9actives d\u00e9clenchables localement comme \u00e0 distance. Risque g\u00e9n\u00e9ralis\u00e9 dans tous les
versants. Grandes avalanches (taille 3) possibles.
", "highlights": "RISQUE MAXIMAL SECTEUR BONNEVAL (5). RISQUE 4 A L'ECHELLE DU MASSIF."}, "snowpack_structure": "neige fra\u00eeche couche fragile persistante
D\u00e9parts spontan\u00e9s :
Secteur BESSANS/BONNEVAL, RISQUE 5 : AVALANCHES EXCEPTIONNELLES. D\u00e9clenchement possible autant dans la nuit de mercredi \u00e0 jeudi que JEUDI TOUTE LA JOURNEE.
Elles parcourent de grands d\u00e9nivel\u00e9s avec un risque d'a\u00e9rosols jusqu'en fond de vall\u00e9e. GROS VOLUMES MOBLIS\u00c9S, AVALANCHES pouvant approcher LEUR EMPRISE MAXIMALE
CONNUE.
Ailleurs, l'activit\u00e9 naturelle est tr\u00e8s importante mais implique des volumes de neige moins importants. Grandes avalanches (taille 3) possibles.
D\u00e9clenchements provoqu\u00e9s : RISQUE MAXIMAL. Plaques nombreuses et \u00e9paisses, tr\u00e8s r\u00e9actives d\u00e9clenchables localement comme \u00e0 distance. Risque g\u00e9n\u00e9ralis\u00e9 dans tous les
versants. Grandes avalanches (taille 3) possibles.
"}, "danger": {"key": "high", "number": "4", "ratings": [{"key": "high", "period": "all_day", "elevation": null, "subdivision": null}], "subdivision": null}, "source": "METEOFRANCE", "traits": [{"prose": null, "title": "Dry avalanches", "band_id": null, "category": "dry", "problems": [{"extras": {}, "aspects": [], "elevation": null, "frequency": null, "time_period": "", "comment_html": "", "problem_type": "new_snow", "avalanche_size": null, "avalanche_type": null, "core_zone_text": null, "snowpack_stability": null, "danger_rating_value": "high"}, {"extras": {}, "aspects": [], "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": "high"}, {"extras": {}, "aspects": [], "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": "high"}], "elevation": null, "geography": {"source": "prose_only"}, "time_period": "all_day", "danger_level": 4}], "derived": {"state": {"rating": "high", "version": 1, "problems": [{"lower": null, "upper": null, "rating": "high", "aspects": [], "treeline": null, "problem_type": "new_snow"}, {"lower": null, "upper": null, "rating": "high", "aspects": [], "treeline": null, "problem_type": "persistent_weak_layers"}], "fingerprint": "0cf146510480f693", "subdivision": null, "unscheduled": false}, "danger_levels": {"max": "high", "levels": ["high"]}, "terrain_rules": [{"lower": null, "upper": null, "rating": 4, "aspects": [], "decided": false}], "problem_family": "mixed", "headline_inputs": {"family": "mixed", "source": "METEOFRANCE", "direction": "none", "peak_rating": "4", "partition_type": "none"}, "period_transition": null}, "version": 10, "metadata": {"lang": "fr", "valid_from": "2026-02-11T16:00:00+00:00", "next_update": null, "unscheduled": false, "valid_until": "2026-02-12T23:59:59+00:00", "publication_time": "2026-02-11T15:58:59+00:00"}, "danger_patterns": []}