Unit 2: extreme weather extreme weather 0.0 / 5 ? GeographyWeather systemsASEdexcel Created by: SilverphoxicCreated on: 18-01-15 17:54 Define extreme weather Is a weather phenomena that is especially severe or unseasonal weather that can bring chaos and misery. Outside the normal range of expected weather 1 of 15 Depression are pressure Low pressure 2 of 15 what is the jet stream? a belt of high attitude fast moving air, and it brings low pressure systems to the UK. 3 of 15 If the isobars are close together what does that mean? High winds, low pressure system 4 of 15 What is a depression? a region of low atmospheric pressure which revolves in an anticlockwise direction 5 of 15 What is an anticyclone? A region of high pressure bringing calm conditions spinning in a clockwise direction 6 of 15 Name 3 possible hazards of depressions Floods, high winds, blizzards, storm surges 7 of 15 Name 3 possible hazards of anticyclones drought, heat waves, wildfires, cold, frost, fog, snow 8 of 15 Name some geological contributing factors of a flashy response impermeable rock type (clay) 9 of 15 Name some envirmental contributing factors of a flashy response less vegetation, steep sided river basin, increased urbanisation 10 of 15 What is bank full level? The level of water that will fill the river bank 11 of 15 what is your Case study for flooding? Uckfield 12 of 15 How many homes and businesses destroyed? 114 businesses and 18 homes 13 of 15 In 200 it was a 1 in year event 1 in 200 year event 14 of 15 Impacts of the flood in Uckfield? Rescue services cost £5.5 million, £2 million in insurance claims, proterty damage 15 of 15
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