Why this heatwave feels worse than the last one
Summary
England and Wales are experiencing a second heatwave this year with temperatures reaching the mid to high 30s Celsius. The heatwave feels worse than before because of high humidity, a heat dome weather pattern, and several warm nights in a row.Key Facts
- The heatwave is caused by a heat dome, a large area of high pressure trapping hot air.
- Temperatures could reach 38 to 39 degrees Celsius, especially in southern England and parts of Wales.
- High humidity makes it harder for sweat to evaporate, so people feel hotter than the temperature shows.
- The "feels like" temperature, combining heat and humidity, may be around 41 degrees Celsius.
- Tropical nights, where temperatures stay above 20 degrees Celsius overnight, may happen for 3 to 4 days in a row.
- Some areas may break records for the warmest June night, with temperatures not dropping below 21 to 23 degrees Celsius.
- This heatwave's humidity level is higher than the dry heatwave in July 2022, making it feel hotter and affect health more.
- The heat dome has shifted from the UK in May to being centered over France in June, pushing hot, humid air into the UK.
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