thermal tourism noun [U]
UK /ˌθɜː.mᵊl ˈtʊə.rɪ.zᵊm/ US /ˌθɝː.mᵊl ˈtʊr.ɪ.zᵊm/
travel to a warmer country to spend the winter months there in order to avoid the cold weather and higher heating bills in your own country

Tourism operators in Southern European countries are hoping to capitalise on cold winters and energy bills elsewhere on the continent by advertising their warmer climates as winter approaches. Destinations including Greece, southern Spain and the Canary Islands are taking advantage of “thermal tourism”, a trend in Britain for flying to cheaper, warmer climates to escape the winter and the cost of living crisis in the UK.
[independent.ie, 11 October 2022]

African plume noun [C]
/ˌæf.rɪ.kən ˈpluːm/
a long, thin mass of warm air that moves upwards from Africa, causing warmer weather in more northerly parts of the world

Parts of the UK could be in for a rare Indian summer this month – with temperatures rising as high as 22C. An “African plume” will push temperatures up across the country over the next two weeks, with some forecasters suggesting that the mild spell will last up to Halloween on October 31.
[mirror.co.uk, 17 October 2022]

warm bank noun [C]
UK /ˌwɔːm ˈbæŋk/ US /ˌwɔːrm ˈbæŋk/
a place such as a library, museum or other public building where someone can go to get warm in the winter if they cannot afford to heat their home, run as a public service by a town council, charity etc.

If you were in any doubt about the scale of the cost of living crisis devastating the UK, the fact councils and charities are preparing to open “warm banks” should tell you everything you need to know … The charity New Beginnings Reading is setting up Reading’s first warm bank this winter, hosted in an old refurbished pub. It will keep its heating on around the clock, and act as a social place where people can enjoy a hot drink and soup together.
[bigissue.com, 16 September 2022]

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