BOSCASTLE FLOOD CASE STUDY BBC

A large quantity of water arrived within a short space of time causing the rivers to overflow. A line of very heavy rain starts at about 1 p. Huge amounts of water from this sudden downpour flowed into two rivers, the Valency and Jordan which flows into the Valency just above Boscastle. Web page reproduced with the kind permission of the Met Office. Rain for 12 out of 14 days in August. The pictures show cloud forming over Boscastle at about 1 p. The thickest cloud is shown by the brightest white areas on the picture.

Cars were swept out to sea, buildings were badly damaged and people had to act quickly to survive. These factors led to a flash flood which caused over one thousand homes, cars and businesses to be swept away and damaged. Slide show of photographs of the Boscastle flood. There were very few trees to absorb water and slow the amount of water going into the river. These became saturated so water became surface run-off very quickly. The weight of water eroded river banks, damaged gardens and pavements. The line labelled known as a trough line caused very heavy rain and thunderstorms.

The church was filled with six feet of mud and water. Rainfall Radar Animation of rainfall radar. The bridge acted like a dam and eventually smashed through causing a surge of water up to 5m high. These factors led to a flash flood which caused over one thousand homes, cars and businesses to be swept away and damaged. Cars were swept out to sea, buildings were badly damaged and people had to act quickly to survive. Web page reproduced with the kind permission of the Met Office.

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British Isles case fllood Physical Impacts Responses to the flooding What happened to cause this event? About two billion litres of water then rushed down the valley straight into Boscastle. Huge amounts of water from this sudden downpour flowed into two rivers, the Valency and Jordan which flows into the Valency just above Boscastle.

Rivers and flooding – Revision 3 – KS3 Geography – BBC Bitesize

The flooding coincided with a high tide, making the impact much worse. Prince Charles, who is the Duke of Cornwall, made a large donation to a fund to help rebuild parts of Boscastle. The pictures show cloud forming over Boscastle at about 1 p.

Both overflowed, and this caused a sudden rush of water to speed down the Valency — which runs through the middle of Boscastle. For example, the red areas indicate that rain is falling at between eight and 16 mm per hour. There were very few trees to absorb water and slow the amount of water going into the river.

Floods devastate bosfastle On 16 Augusta devastating flood swept through the small Cornish village of Boscastle. It is a warm and moist tropical maritime air mass. Raising the car park and using a permeable surface – this allowed cars to be much higher and so they were less likely to be swept away.

Case Study – Boscastle Floods

Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. The soils were quite thin and made up of impermeable peat soils. Fortunately, nobody died — thanks largely to a huge rescue operation involving helicopters — but there was millions studj pounds worth of damage.

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boscastle flood case study bbc

Boscastle is also located on a confluence of three rivers. Rain for 12 out of 14 days in August. Slide show of photographs of the Boscastle flood.

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The Environment Agency is responsible for warning people about floods and reducing the likelihood of future floods. The flooding also had several other key impacts ztudy Boscastle and its inhabitants. We are investing in new ways of predicting heavy rainfall events on a small scale to produce better warnings.

Flood management case study: These became saturated so water became surface run-off very quickly. Weather chart Fig 1. A trough is an area of localised rain and thunderstorms. Cars, walls and even bridges were washed away.

boscastle flood case study bbc

A large quantity of water arrived within a short space of time causing the rivers to overflow. In Augustthe village of Boscastle saw a month’s worth of rain fall bosastle two hours. Satellite image The thickest cloud is shown by the brightest white areas on the picture. Steep valley sides – water flowed into the river channel very quickly.

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