HakubaBulletin d'avalanche

Valable pour
dimanche 5 avril 2026
Publié: 4 avr., 20:30
Danger maximum
2 · LIMITÉ
HakubaJP-hakuba
2

Traduction en cours — affiché en langue source

The weather will improve, but consider that the high temperatures and the fact that a sufficient amount of rain fell yesterday make the slopes with glide cracks in them, not good. Keep a sufficient distance and do not stay within that terrain. Also, be alert for leftover snow blocks. Be aware of the slope above you. Today is the last avalanche bulletin for the Hakuba area for this season. Thank you very much for your cooperation.

Danger par altitude

Alpin1Faible
Limite forestière1Faible
En dessous de la limite forestière2Limité

Problèmes d'avalanches actifs

Avalanche de glissement
Avalanche de glissement
Alpin
Taille3/5
FréquencePossible
Avalanche de glissement
Avalanche de glissement
Limite forestière
Taille3/5
FréquencePossible
Avalanche de glissement
Avalanche de glissement
En dessous de la limite forestière
Taille3/5
FréquencePossible

No new avalanches were reported yesterday (4th). The Japan Meteorological Agency is forecasting northerly winds, cloudy and occasionally sunny with a high of 19 °C (418 m elevation) for northern Nagano Prefecture. At AMeDAS Hakuba (elevation 703 m), the temperature is 8.4 °C (as of 5:00 a.m.), with 6 mm of precipitation in the past 24 hours. At AMeDAS Otarii, 24 mm of precipitation has been observed. At the main ridge (elevation 2,400 m), the temperature is 4.6 °C (as of 5:00), with southwesterly winds averaging 7 m/s and a maximum instantaneous wind of 18 m/s.

Rainfall since yesterday afternoon has been heavier on the northern side of the Hakuba Valley. Since the date change, temperatures have also been 4-5°C on the main ridge, and the entire mountain is wet. Warm winds are coming in and higher temperatures are forecast during the day. Please be vigilant on slopes with glide cracks, including even alpine areas.

Source: Japan Avalanche Network (JAN) · Voir le bulletin d'origine

Original (EN)

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