Steep valley sides – water flowed into the river channel very quickly. Map of the area affected What happened to cause this event? Boscastle’s main industry is tourism. The Boscastle flood of — A case study of cause, effect and response Using the Teachit Geography template, this sorting exercise provides a framework for investigating cause of, effect of and response to the Boscastle flood. Rainfall rates of at least 32 mm per hour are being measured.
Very heavy rain fell in storms close to the village, causing two rivers to burst their banks. 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. A line of convergence formed near the coast line, where air moving in almost opposite directions collides, this helped to increase the rate of ascent and produced very heavy rain. Don’t show this message again. The damage not only affected the residents, but also insurance companies.
Animation of Satellite images Flash Player required. Physical Impacts Flooding On the day of the flood, about 75mm of rain fell in two hours — the same amount that normally falls in the whole of August.
Sort statements to show these causes, effects and responses, e. People were left homeless for the night, so emergency accommodation had to be set up. The weight of water eroded river banks, damaged gardens and pavements.
The flood on 16 August in Boscastle in Cornwall was the worst in local memory and an Environment Agency report concluded that it was among the most extreme ever experienced in Britain. Download the adaptable Word resource. Rivers and Boscastle floods quiz. A trough is an area of localised rain and thunderstorms. The line labelled known as a trough line caused very heavy rain and thunderstorms.
Cars were swept out to sea, buildings were badly damaged and people had to act quickly to survive. The flash flood was a freak event. Report Thu 30th May, Don’t show bscastle message again. The steepness of the valley accelerated the rainwater falling on the hills as it travelled down to the valley floor where Boscastle lies.
Boscastle is at the confluence of three rivers – Valency, Jordan, and Paradise. Radar imagery Bosdastle 2. The danger of hypothermia, shock or even being swept away was great. There is more about surface pressure charts in the weather section of the Met Office website.
Overall summary The Response. It is a warm and moist tropical maritime air mass. It flooded in Augustwashing cars and buildings into the sea and boscastlf peoples’ lives in danger.
Web page reproduced with the kind permission of the Met Office. Increase in buildings within the drainage basin meant that there more impermeable surfaces which directed water back to the river faster. The rainfall rate key shows how the colours in the image relate to the rate the rainfall is falling. These factors led to a flash flood which caused over one thousand homes, cars and businesses to be swept away caes damaged.
Map of the area affected What happened to cause this event? Destruction of houses, businesses and gardens Floodwater gushed into geeography, shops and pubs.
The rain started, and within a few hours a massive 5 inches of rain had fallen in Boscastle alone. Slide show of photographs of the Boscastle flood.
Responses to the flooding John Prescott, the Deputy Prime Minister, and Prince Charles visited members of the emergency services and the local GP surgery, which acted as the emergency centre, in the days following the disaster.