Case study for depressions: national flooding UK, winter 201314 storms

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Global issues climatic hazards
Case study for depressions (low pressure systems) national flooding in the UK of
winter 2013/14
Deep low pressure systems from the Atlantic causing intense rain and
stormy seas
Spring tides intensified damage on coasts, some tides reached 8.2m in height
Storm surge caused by low pressure system in North Sea which funnelled
waves and high tides down the coast.
Coastal flooding/damage- several fatalities occurred and huge levels of
damage to property and transport- at Dawlish, the railway was destroyed
meaning the main route into Cornwall was cut off for several weeks.
Norfolk coast at Hemsby- several homes fell into the sea overnight as storm
surge caused rapid erosion of the vulnerable sand dunes
Highest tide in 17 years
Many harbour villages affected. In Porthleven, Cornwall the harbour was
damaged and 6 boats sunk after waves broke 2 of the 2 tonne wooden
blocks that closed off the inner harbour.
30,000 without power
Hundreds of trees down, blocking roads and destroying power lines
Flood warnings used by environment agency- over 30 severe flood warnings
issued in early January and over 230 flood warnings
Operation Cobra was activated which is a system that deals with disasters
in the UK and is very rarely activated. Dealt with planning, prevention and
improving flood defences.
Thames barrier closed 10 times in January, when it is usually closed 10
times per year.


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