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prandin Johnny Norfolk -the EA said the tides were higher than in 53 at some points on the coast so perhaps only the improved defences saved Cobholm etc You may have a case in that the surge was not as sustained.V has a point, the sirens served to let those not in the immediate danger area know when there is a problem- I recall one school Xmas party being cut short by a flood warning which we who lived outside the danger zone knew about because of the siren before we were called by the school. In a severe event those who live on the edge of affected areas but are not contacted by flood wardens might appreciate the notice the sirens gave.