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Britons are enjoying near-summer temperatures in November
Sunday and Monday have felt more like midsummer than mid-autumn across most of Florida. In Tallahassee, Sunday's high temperature of 88°F and low of 75°F both tied for the warmest ever recorded there in November, and the day's average of 81.5°F handily beat the November record of 80.5°F set on 11/11/82 (records extend back to 1892).

At midnight, it was still a sultry 80°F, with a relative humidity of 87%! Tallahassee's overnight low on Sunday night was a ridiculous 78°F.

Balmy temperatures are also gracing much of Europe for the first week of November, thanks to an unusually strong upper-level high. On Sunday, the United Kingdom saw its warmest November temperature in more than a century of official records, as Trawscoed, Wales, soared to 22.4°C (72.3°F), besting the previous mark of 21.7°C (71.1°F) set in the Wales town of Prestatyn on November 4, 1946. On Monday afternoon, Trawscoed warmed again to at least 21.2°C (70.0°F), based on hourly observations. The unseasonably mild temperatures mean that the UK is warmer than Rome, Lisbon and Barcelona.

Temperatures this week will be especially mild for mid-autumn across northern latitudes and higher altitudes of Europe. Finland saw its warmest-on-record November temperature on Monday with 13.3°C (56.0°F) at the town of Jomala, which held the previous national record of 13.0°C (November 12, 1999). In Helsinki, Finland, where the all-time November record is 11.6°C (52.9°F). Helsinki's Vantaa airport likely topped that reading on Monday, with the highest Celsius-rounded hourly observations hitting 12°C (53.6°F).

The latest WU forecast calls for a high of 55°F in Helsinki on Tuesday. The town of Sunndalsøra, Norway--less than 300 miles south of the Arctic Circle--reached at least 64°F on Monday. Later this week, temperatures may inch above freezing and trigger snowmelt at altitudes as high as 4000 meters (13,100 feet) in the Alps, according to international weather records historian Maximiliano Herrera, who maintains a comprehensive list of extreme temperature records for every nation in the world on his website.