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  "publishedAt": "2026-06-23T05:32:49.000Z",
  "site": "https://upstract.com",
  "textContent": "Britain is bracing for a potentially record-breaking heatwave, with temperatures forecast to soar to 39C, prompting extreme heat warnings and health alerts across the country. A rare red weather warning for extreme heat has been issued for central and southern England and Wales, in effect from 9am…",
  "title": "What is a heat dome? How Europe’s scorching temperatures are driving the UK heatwave"
}