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How long does rain take to reach the ground and where is the wettest place in the world? Find out some interesting facts about rain.
This case study focuses on one week in November when four periods of rainfall brought widespread flooding to many parts of the UK.
To be able to see a full circle rainbow you need to be able to see water droplets below your observable horizon - if you are standing on top of a tall building or looking out of an aircraft then you may have water droplets and sun
Surface water flooding occurs when intense rainfall overwhelms drainage systems.
Please note that when changing units, only forecasts and maps will be affected.