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UK Braces for Extreme Heatwave: Red Warning Issued, Schools Close

The United Kingdom is facing a severe heatwave, with the Met Office issuing a rare red weather warning for extreme heat covering parts of central and southern England and Wales. This is only the second time such a warning has been issued, the first being in July 2022 when the UK recorded its hottest day ever at 40.3°C. Temperatures are expected to reach 37°C in southern England on Tuesday, climbing to 39°C by Wednesday and Thursday, with a possibility of going even higher. The warning comes on the 50th anniversary of the 1976 heatwave, a period that brought melting tarmac, water shortages, and excess deaths.

Meteorologists attribute the extreme heat to a combination of high pressure shifting eastward and a southerly flow drawing hot air from France and Spain, where temperatures have already exceeded 40°C. Overnight temperatures are expected to remain above 20°C in many areas, with some places seeing tropical nights above 23-24°C. High humidity will make it difficult for people to cool down, posing significant health risks, especially for the elderly, those with pre-existing conditions, young children, and pregnant women. The Met Office's Alexander Burkhart noted that while global average temperatures have risen by about 1°C, extreme events like this heatwave are becoming disproportionately hotter—potentially 3-4°C higher than in the past.

Schools Adapt to the Heat

Hundreds of schools across the country have closed early or sent students home due to the extreme temperatures. There is no legal upper limit for classroom temperatures, so head teachers are making decisions based on guidance from the government and unions. Many schools are allowing students to wear gym kit instead of uniforms, emphasizing hydration and sun protection. However, in buildings without air conditioning, classrooms are reaching over 30°C, making normal learning impossible.

Simon Kidwell from the National Association of Head Teachers explained that schools are looking at flexible timetables and earlier start times, similar to practices in continental Europe. He noted that while air conditioning is an expensive option, the increasing frequency of heatwaves—two have already occurred this summer—may force schools to consider permanent structural changes or adjustments to the school year. Closing schools is a last resort due to the impact on working parents, but safety remains the priority. Kidwell added that school budgets are tight, and government grants may be needed to fund cooling measures.

Looking Ahead

Academics from the University of Reading have predicted that a repeat of the 1976 heatwave in today's warmer climate could bring several days of 40°C heat, with highs of 45°C—comparable to current summer temperatures in Dubai. The UK's water, power, and transport infrastructure already struggle during heatwaves, and the health of crops and vulnerable populations is at risk. As the Met Office's red warning remains in effect, authorities urge the public to stay cool, check on vulnerable neighbors, and avoid unnecessary travel during the hottest hours.