Jet streak over North America partly intensified by effects of severe weather over the southern US propagates quickly eastward into the Atlantic, with left-exit development downstream forming what has been named #StormBrendan - to affect the British Isles on Monday. https://t.co/Z7pVlcoYGt pic.twitter.com/6ByPYeZAuy

— Dr Simon Lee (@SimonLeeWx) January 11, 2020