This was a man-made disaster. It was not “unforeseen” as it’s happened before–more than once, in fact. The cause has nothing to do with “climate change” (whatever that means!).
In this instance, the UK Environmental Agency in York noticed that “water was entering the building” (the building holding pumps which were to operate to mitigate the effects of fooding), and they decided that this electrical equipment was “at risk”. So, they lifted a flood barrier thus deliberately flooding a large residential area.
See Martin Brumby discuss this story, as an insider, at http://www.bishop-hill.net/blog/2015/12/27/the-eus-role-in-the-floods.html#comments, Dec 29 9:23 a.m. where he asks the pertinent questions:
So, were the pumps working and, if not, why not?
Were the electrics maintained and sited above flood levels? (Think:- Fukushima!) If not, why not?
Who made the decision to open the barrier and make the £8M (1982 prices) installation an irrelevance? Who was consulted?
How many of those responsible will be sacked?