Outline origins of depressions affecting British Isles 3.5 / 5 based on 3 ratings ? GeographyA2/A-levelAQA Created by: Daisy JudgesCreated on: 13-01-13 17:04 Depressions affecting the UK orignates in the ... North Atlantic 1 of 21 Where 2 different air masses meet along the ... Polar Front 2 of 21 Polar maritime air brings ... Dense/Moist/Cold air 3 of 21 and Tropical maritime air brings ... Less dense/Moist/Warm air 4 of 21 As the Polar Maritime and Tropical Maritime air masses move towards each other the ... Warm less dense air rises above colder more dense air from the north 5 of 21 Rising air is removed by ... Jet stream 6 of 21 which is ... Strong upper atmosphere winds 7 of 21 As air rises the earths ... rotational twist 8 of 21 Causes it to ... twist developing and increases into a depression 9 of 21 This develops 2 seperate parts of the original front ... Warm front 10 of 21 Which is at ... The leading edge of depression 11 of 21 Where warm less dense air... Rises over cooler air ahead 12 of 21 And the cold front ... At the rear of the depression 13 of 21 Where colder dense air ... Undercuts warmer air ahead 14 of 21 Between warm and col front there is a ... Warm sector 15 of 21 Which is ... An area of warm moist air 16 of 21 As depression moves eastwards ... Cold front overtakes warm front ... 17 of 21 This forms a ... Occluded front to which colder air ... 18 of 21 Completely undercuts ... Warmer air 19 of 21 So it no longer touches ... The ground 20 of 21 *NOTE TO SELF* Also remember to mention ... weather conditions associated with certain fronts !! 21 of 21
Coasts (1/4) Inputs- Energy (Wind, Waves and Tides) and Sediment (detailed notes) 5.0 / 5 based on 1 rating
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