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Boscastle Flash Flood (Consequences (destruction (58 properties, 4…
Boscastle
Flash Flood
Causes
low pressure system
cooled as gained land
hella rain
75mm rain in 2 hours
warm, moist air
great deal of prior rain
saturated ground
increased surface run off
location
valley
all rain channeled into rivers
3 rivers
2 billion litres funneled into town
low bridge
trees got stuck
dam
Consequences
destruction
58 properties
4 businesses
roads
bridges
people couldn't evacuate
1 serious injury
mental health due to stress
50 cars washed to sea
environmental pollution
tourism dropped off
90% economy relies on tourism
Responses
People
100 people airlifted
7 helicopters
local accommodation set up in village hall
Buildings
eventually rebuilt
bridge rebuilt with higher arch
less likely for repeat dam
£10 mln flood defence scheme
2008
widening and deepening river