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What is a low pressure system?

Low pressure systems are areas where the atmospheric pressure is lower than the surrounding air. This causes air to rise, cool, and condense, leading to cloud formation and precipitation. The story mentions low pressure bringing rain and strong winds, which is typical for these systems as they often bring unsettled weather to the UK.

Stories that explain this

Eight UK regions face heavy rain this weekend, Met Office warns UK gets cooler, wet, windy weather this week

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