First the storm of rain and wind, then the mudslides and the Grand Evya torrent that swells like a terrifying cloud. It all happened starting at 8 pm. Cogneisolated since the evening of June 29th.
Numerous disasters have been reported in the valley, with debris flows along various gullies: Pont du Teuf, Costa del Pino, Trajo, Les Ors, Tsa de sèche (Loc. Cartasse).
In nearby Valnontey, blocked by two landslides, the torrent broke its banks. Lillaz was also isolated, where three mudslides and boulders descended.
Rain gauges have recorded 130 mm of rain since the start of the storm. Telephones are also down, and power cuts are reported. There is a medical station on site.
The swollen Grand Evya stream also brought significant rises in Dorain the Aosta area and along the entire course of the river up to the border with Piedmont, where the alert, around 10 pm, went from yellow to orange, with the threshold being exceeded in Aymavilles, Pontey, Champdepraz, Hône. The Pollein and Saint-Marcel bridges are closed, guarded by the police.
Also the regional road of Valtournenche it is closed due to a landslide, between the capital municipality and Cervinia. Alternating one-way reopening is expected in the next few hours.
On Saturday afternoon a shed along theA5 motorway it had been partially uncovered, but there were no injuries.
The disturbance is expected to end during the night between Saturday and Sunday.
Roof uncovered in Lower Valley
