Flooding and blocked roads, a uncommon storm hit Geneva final Sunday. Collonges Sous-Salève known as a state of pure catastrophe.
The photographs are nice. Flooding was widespread as a result of heavy rains. Numerous roads had been briefly closed between Sunday night and Monday morning.
Waterways had been additionally affected. The Drize reached a move price of 20m3/s, a price 100 instances increased than the usual. “In a couple of hours we had the buildup of water that corresponds to what we normally have in a month. We estimate one thing that we solely see each 100 years, or extra,” summarizes Etienne Monbaron, hydrologist and head of sector at OCEau.
3,600 calls to firefighters in 15 hours
Between Sunday 5:00 pm and Monday 8:00 am, the Fireplace and Rescue Service of Geneva recorded 3,600 calls and made 338 interventions in 15 municipalities. Saconnex-d’Arve was significantly affected. This morning the firefighters had been nonetheless pumping out the water that had collected within the underground automobile parks.
In close by France, the commune of Collonges Sous-Salève declared a state of pure catastrophe after the streams of water ran by means of the commune. In Geneva, other than the flooding, the injury seems to be minimal and there’s some erosion. Monitoring of bridges remains to be mandatory within the coming days.
For its half, MétéoSuisse signifies that we’ve to return between 100 and 200 years to see such a phenomenon domestically in Geneva, however any such storm stays frequent in Switzerland, about yearly.