Jet streams are fast flowing, narrow air currents. The main jet streams flow west to east around the globe.

Because of #climate collapse, the northern polar jet stream becomes more variable. A stratospheric polar vortex disruption is linked with extreme cold winter weather across parts of Asia and North America, including the Feb. 2021 North American cold wave. Report: https://www.bbc.com/news/science-environment-58425526

Anyway, #AMOC (the main ocean current system in the Atlantic Ocean) currently offers 12°C to Ireland: