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The Met Office has issued an amber weather warning for extreme heat across large parts of England and Wales, with temperatures expected to reach 37C early next week. The warning, effective from 1am Monday through 11pm Wednesday, follows a series of UK Health Security Agency (UKHSA) heat health alerts as a high-pressure “heat dome” settles over the region.
Why is the UK experiencing extreme heat?
The current heatwave is driven by a strong area of high pressure positioned over the continent, according to the Met Office. This system creates a “heat dome” by promoting sinking air and trapping hot air near the ground, similar to a lid on a pot. While the South and East of England will bear the brunt of the heat, the North and West are seeing more unsettled weather patterns, creating a distinct meteorological contrast across the country.
Did You Know?
Did You Know? The current highest temperature on record for the month of June in the UK is 35.6C. Meteorologists suggest that with forecasts reaching 37C early next week, there is a possibility that this long-standing June record could be surpassed.
What are the health risks?
The UKHSA has issued amber heat health alerts for the South East, East of England, London, the Midlands, and the South West, warning of increased demand on health and social care services. Dr. Agostinho Sousa, head of extreme events and health protection at the UKHSA, advised that sustained warm weather can lead to serious health outcomes, particularly for older adults. He urged the public to monitor elderly relatives and neighbors while taking sensible precautions in the sun.
Expert Insight:
Expert Insight: The inclusion of amber-level warnings for both heat and health infrastructure indicates a high level of concern regarding the cumulative impact of these temperatures. While short-lived spikes in heat are common, the “heat dome” mechanism suggests a period of sustained, uncomfortable conditions that stress both the human body and public services. The contrast between this week’s forecast and the tragic incidents of open-water deaths during last month’s heatwave underscores the critical need for public awareness regarding water safety and heat exhaustion.
How to stay safe in the water?
The Royal National Lifeboat Institution (RNLI) has warned that even in warm weather, the risk of cold water shock remains high. Samantha Hughes, the National Water Safety Partner at the RNLI, advises that entering cold water unexpectedly can trigger a sudden increase in heart rate and breathing. If someone finds themselves struggling, the recommended survival technique is to “Float to Live”: tilt the head back, relax, control breathing, and gently use the hands to stay buoyant.
What happens next?
Forecasters expect temperatures to peak on Tuesday, though there remains uncertainty regarding how long the heat will persist. The Met Office indicates that increasing cloud cover and a potential risk of isolated thunderstorms could eventually break the high-pressure system. Residents should prepare for potential impacts on infrastructure and health services through Wednesday night.
Frequently Asked Questions
What is the heatwave threshold in the UK?
A heatwave threshold is met when a location records at least three consecutive days where daily maximum temperatures meet or exceed a specific threshold, which varies by county. For London and the South East, that threshold is 27C or 28C.
Which regions are under a yellow alert?
The UKHSA has issued yellow alerts for the North East, North West, and Yorkshire and The Humber, indicating a greater risk to the lives of vulnerable people in those areas.
How hot will it be on Sunday?
Temperatures in London and the South East could reach 32C. The Midlands is expected to reach 27C, while other parts of England and Wales will see temperatures around 25C.
Are you taking specific precautions to stay cool during this upcoming heatwave?
