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What causes the jet stream to bring heavy rain to the UK?
The jet stream is a fast-moving ribbon of air high in the atmosphere that influences weather patterns. When it shifts southward or becomes more active, it can direct moist air from the Atlantic over the UK, leading to heavy rainfall. Recent patterns show a strong jet stream that has been lingering over Europe, causing persistent rain and record rainfall levels across the UK.
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Are high-pressure systems blocking weather changes?
Yes, high-pressure systems can block the usual movement of weather systems, leading to prolonged periods of unsettled weather. Over Europe, blocking high-pressure systems have been preventing the jet stream from moving away, resulting in extended periods of rain and flooding in the UK. This stagnation worsens the impact of heavy rainfall and contributes to record-breaking weather.
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Is climate change making floods more common in the UK?
Climate change is linked to more extreme weather events, including heavier rainfall and flooding. Warmer temperatures increase the atmosphere's capacity to hold moisture, which can lead to more intense storms and prolonged wet periods. Experts warn that climate change is likely contributing to the frequency and severity of floods experienced in the UK this year.
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How does the current weather compare to past floods?
The current weather pattern has led to some of the wettest January and February on record in parts of the UK. Compared to past floods, this year's rainfall has been more intense and persistent, causing widespread flooding and saturation of land. The scale and duration of the recent weather are unprecedented in recent history, raising concerns about future climate resilience.
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Will the weather improve soon?
The Met Office indicates that some relief may come later in the week as atmospheric conditions change. However, the ongoing influence of the jet stream and high-pressure systems means that unsettled weather and flood risks are expected to continue in the near term. Monitoring updates from weather agencies will provide the latest forecasts.