Unusually warm in the south of Europe: why is this and does it also affect our weather?

A powerful high-pressure area over southwestern Europe is causing unusually warm and dry weather in Spain and Portugal, which is worrying as reservoirs are barely replenished. High temperatures are expected in various places in the coming days, making spring seem to start early. How hot will it be in Spain? And will this powerful high-pressure area also cause mild weather for us? “It cannot be ruled out that record temperatures will be achieved for the month of January”