450 mm of rain expected in SE France; 270 mm already fell in one place.
.. already resulting in river flooding and damage. Was that flash caused by a power cable in the bridge?
417 mm of rain recorded within 24 hours at one station in Alpes-Maritimes, north of Nice!
That's half a year's worth in the Netherlands.
Up to 500 mm (20 inches) of rain in 12 hours in SE-France, and 630 mm (25 inches) in 24 hours in Italy's adjacent Piedmont region. Two dead, 24 missing. abcnews.go.com/amp/Internatio…
And this from the neighboring part of Italy.
More on the damage in Italy, where water levels in the Po river rose by 3 meters within 24 hours. repubblica.it/cronaca/2020/1…
You understand the destructive power of such extreme rainfall events when you realize that 500 mm of rain means 0.5 meter:
0.5 tonne of water on every m²
3,000 tonnes on a football field
500,000 tonnes per km²
All on its way down in 24 hours.
And all that rushing water takes a lot of soil with it; sediment ending up in the Mediterranean Sea now.
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