[wildone]

Jenny, I can remember the winter of 1947. It was just after the end of WW2 and coal was, if not rationed, very scarce, along with power cuts. I lived in London then and it was bitterly cold. After the snow melted in the spring the whole of East Anglia was under water. There you are StuartDH no need to wait for your dire predictions, it has happened at least once in the last century and we have come back up smiling.