Here’s the reason why the wettest parts of the UK are so, well, wet and why these places get more rain and flooding than others.
Basically, if you live in the west you’re going to get wet, simple as that. According to the Met Office the wettest parts of the UK are concentrated in mountainous regions with Snowdonia, the Lake District and the Scottish Highlands all receiving more than 4 metres of rainfall in a year. It means places you often associate with rain, such as Manchester, don’t even make the top 10.
Argyllshire tops the list with a soaking 2,274mm of rain each year and western areas in Scotland hold most of the top 10 spots with the exception of Merionethshire in Wales in at number 4 and Caernarvonshire at 6.
The highest listed English place is the north west county of Westmorland in at 9.
Cardiff is Britain’s wettest city with 1,152mm falling on it each year. Manchester comes in at 15 behind Belfast and, surprisingly, Leeds. London is one of the driest at number 63 with a mere 557mm of rain.
But why do these counties get such a drenching?
According to the Met Office: “The prevailing warm moist westerly winds mean that the west of the UK is more likely to receive rainfall from Atlantic weather systems which usually move from west to east across the UK and as they do so the amount of rainfall they deposit reduces.
“This is because the mountains of the northern and western UK force the prevailing westerly winds to rise, which cools the air and consequently enhances the formation of cloud and rain in these locations.”
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