The line labelled known as a trough line caused very heavy rain and thunderstorms. Rainfall Radar Animation of rainfall radar. The pictures show cloud forming over Boscastle at about 1 p. 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. The rainfall rate key shows how the colours in the image relate to the rate the rainfall is falling. Weather system remained stationary over area due to converging winds. Map of the area affected What happened to cause this event?
Boscastle is also located on a confluence of three rivers. You need to be able to compare and explain the different effects of and responses to flooding. Hundreds killed Millions made homeless Contaminated water led to disease. Very heavy rain fell in storms close to the village, causing two rivers to burst their banks. Cars, walls and even bridges were washed away. Don’t show this message again.
For example, the red areas indicate that rain is falling at between eight and 16 mm per hour.
The thickest cloud is shown by the brightest white areas on the picture. Floods devastate village On 16 Augusta devastating flood swept through the small Cornish village of Boscastle.
Human Impacts There was a huge financial cost to the floods. Boscastle, Cornwall In Augustthe village of Boscastle saw a month’s worth of rain fall in two hours. Meghna, Ganges, Brahmaputra Video. Low floid removed River widened through Boscastle New flood defence wall built in village centre River bed lowered by an average of 0.
Rivers and flooding – Revision 3 – KS3 Geography – BBC Bitesize
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.
Fortunately, nobody died — thanks largely to a huge rescue operation involving helicopters — but there was boscasstle of pounds worth of damage.
The pictures show cloud forming over Boscastle at about 1 p. Destruction of houses, businesses and gardens Floodwater gushed into houses, shops and pubs. Boscastle is also located on a confluence of three rivers. It remains over the area for about six hours.
The effects of and responses to floods vary between areas of contrasting levels of wealth.
Weather chart Fig 1. The church was filled with six feet of mud and water. Satellite image The thickest cloud is shown by the brightest white areas on the picture.
Deforestation in Himalayas Ganges diverted for irrigation increasing silt deposition Rapid unplanned urbanisation in Dhaka. Rainfall rates of at least 32 mm per hour are being measured. The responses to the flood were both short and long term. Animation of Satellite images Flash Player required. Map of the area affected What happened to cause this event?
A line of very heavy rain starts at about 1 p.
Major incident declared at 5pm. Radar imagery Fig 2. Agricultural land flooded and contaminated by polluted water. About two billion litres of water then rushed down the valley straight into Boscastle.
Download the adaptable Word resource. The rainfall rate key shows how the colours in the image relate to the rate the rainfall is falling. Download the free PDF resource.
You need to be able to compare and explain the different effects of and responses to flooding. A trough is an area of localised rain and thunderstorms. We are investing in new ways of predicting heavy rainfall events on a small scale to produce better warnings. Don’t show this message again. Extract 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.