At the foot of the Pyrenees, the departments of Ariege, Haute-Garonne Pyrénées-Atlantiques and Hautes-Pyrénées remained in mid-day vigilance orange rain-floods, and Landes departments flooding only. Fifteen county roads were flooded and cut in the Landes, where rivers and streams reached locally maximum: thus Peyrehorade, in the southern department, where the Gave de Pau reached the height of 4.71 m mid-day, the second largest threshold for nine years, according to the prefecture.
In Bayonne, due to heavy rainfall, the Nive and Adour particularly likely to overflow on the docks of the city along the two rivers, according to the prefecture. In the mountains, the avalanche risk remained “strong”, but after the maximum level 5-4 Thursday on all the Pyrenean mountains, according to the bulletin of Météo-France in mid-day. Many avalanches have been observed since Wednesday afternoon and into the night, reaching roads, mostly pre-cut, no casualties.
Precipitation until Friday morning
According to Meteo-France, precipitation will last until Friday morning south of the Garonne, with next Thursday evening and night renewed activity, which could lead to localized excesses, sometimes damaging, spreading upstream to downstream. In several departments of the Pyrenees, access to several ski resorts were closed: and La Mongie Piau Engaly St Lary Pla D’adet, Luz Ardiden, Hautes-Pyrenees, or Gourette in the Pyrenees-Atlantiques, even though the roads were Scorrimento.
Over the past two days, “he fell quite large snow amounts between 1 m and 1.50 m above 2000 m”, said on France 3 Sud Corinne Mithieux, director of the weather center Blagnac France (Haute-Garonne). But “the bulk of the avalanche flood happened (…) the risk remains strong but slightly down a notch,” she added.
According to Meteo France, the weather will remain mild throughout the day Thursday, and rains continue until 2,000 m, further dampening the snowpack. Also wet snow avalanches, though fewer, may still reach the highway until Thursday night in mid vendredi.Ce type observed avalanche sequence occurs on average once or twice a winter, remember Météo-France.