Widespread marine heatwave conditions in the North Atlantic will help keep Fiona strong.
— Ben Noll (@BenNollWeather) September 22, 2022
North Atlantic seas are 2-4˚C above average with local anomalies south of Nova Scotia as high as 6˚C!
Unusually warm conditions were also present near the U.S East Coast during Sandy. pic.twitter.com/EmjeeDJfi5