A very violent hailstorm devastated the area late in the evening Heart, Canavese Rock, Canavese Oven, leather e Borgiallo, in Piedmont. Huge grains, very serious damage that will only be better ascertained once the disturbance ends tomorrow. Many cars are destroyed, with holes in their windshields. The bad weather is hitting central-northern Piedmont and the Aosta Valley very hard: in the last six hours, as many as 172mm of rain in Noasca, 155mm at Alpe Veglia, 130mm in Cogne, 119mm at the Zamboni Zappa Refuge, 115mm in Varzo, 109mm in Forno Alpi Graie, 106mm in Macugnaga, 100mm in Balme, 70mm to Corio, 49mm in Avigliana, 46mm in Burgundy Susa.
Due to bad weather, flooding of the main streams in the Cogne valley was recorded. The town is already isolated due to a landslide that fell a few hours ago. In the valley, debris flows have occurred along five gullies and the flooding of the Valnontey stream has been recorded.
The authorities invite the population not to travel on municipal roads. The debris flow that forced the closure of the regional road to Cogne occurred in the area of the hamlet of Epinel. Another collapse blocked transit to the hamlet of Valnontey. Here, between 2pm and 8pm, the rain gauges recorded around 100 millimeters of rain falling, double compared to the Champorcher area. In Cogne the debris flows occurred along the gullies of Pont du Teuf, Costa del Pino, Trajo, Les Ors, Tsa de sèche.
The Valle d’Aosta Regional Functional Centre reports that the H2 alert threshold (the second on a growing scale of three points) has been exceeded in watercourses in Gressoney, Cogne and Valsavarenche.
The situation is also critical in Piedmont.
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