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People on Bournemouth beach in Dorset, southwest England, on Monday. Photo: Steve Parsons/PA Images via Getty Images

The United Kingdom's Met Office issued its first ever "Extreme Heat Warning" on Monday, after all four U.K. nations recorded their hottest day so far this year over the weekend.

Driving the news: "The impacts from extreme heat are increasing across the U.K. due to climate change," per a June Met Office statement announcing its new amber and red warning system to inform the public of potential widespread disruption and adverse health effects.

A tweet previously embedded here has been deleted or was tweeted from an account that has been suspended or deleted.
  • The U.K. amber warning follows extreme high temperatures earlier this month in Nordic countries. In particular, Finland is just emerging from a historic heat wave that saw temperatures hit all-time highs.

By the numbers: Northern Ireland saw an all-time temperature high of 88.1 degrees Fahrenheit, recorded in Ballywatticock, County Down on Saturday.

  • London's Heathrow airport recorded the U.K.'s hottest temperature so far this year on Sunday, when it reached 88.9°F, the BBC notes. Cardiff recorded the hottest temperature yet for Wales in 2021, when it hit 86.4°F the same day.
  • On Saturday, Threave, in Dumfries and Galloway all recorded Scotland's hottest temperature of 2021 when they hit 82.8°F.

Of note: "Climate change is causing warming across the U.K. All of the U.K.'s ten warmest years on record have occurred since 2002," per a Met Office statement.

Go deeper: In summer of apocalyptic weather, concerns emerge over climate science blind spot

Go deeper

Updated Jul 20, 2021 - Science

FEMA chief heads West as large wildfires rage, heat wave peaks

Fire engulfs trees at the Tamarack fire in Central California on Saturday. Photo: Ty O'Neil/SOPA Images/LightRocket via Getty Images

FEMA administrator Deanne Criswell will make her first trip to wildfire-affected states amid another dangerous week of extreme heat and "critical" fire weather conditions, Axios has learned.

Why it matters: The West is experiencing its worst drought this century, and repeated, extreme heat waves have dried out forests and grasslands, priming them to burn. Officials are gearing up for an unprecedented, prolonged peak fire season.

In summer of apocalyptic weather, concerns emerge over climate science blind spot

Illustration: Sarah Grillo/Axios

The rapid succession of precedent-shattering extreme weather events in North America and Europe this summer is prompting some scientists to question whether climate extremes are worsening faster than expected.

Why it matters: Extreme weather events are the deadliest, most expensive and immediate manifestations of climate change. Any miscalculations in how severe these events may become, from wildfires to heat waves and heavy rainfall, could make communities more vulnerable.

80 large wildfires rage across the West

Firefighters are seen working to protect the town of Markleeville from the Tamarack Fire in California on Saturday. Photo: Ty O'Neil/SOPA Images/LightRocket via Getty Images

Wildfires are growing across the western U.S., triggering evacuation orders, as the threat of "dry lightning" prompted red flag warnings and fire weather watches to be issued from central California to northwest South Dakota on Monday.

Of note: As temperatures again rise, 80 large wildfires were burning across nearly 1.2 million acres in the West Sunday — 10 more than the previous day, according to the National Interagency Fire Center.