Hurricane Irma = Most Powerful Atlantic Ocean Storm in Recorded History with 185mph Sustained Winds Hurricane Irma is now the most powerful Atlantic Ocean storm in recorded history with sustained winds at 185mph. It’s the 2nd most powerful storm in recorded history in the Atlantic basin, which includes the Atlantic Ocean, Caribbean Sea, and the Gulf of Mexico. ย Hurricane Allen – which hit in 1980 with 190mph winds – is the strongest storm in the […] Weather WeatherBrains | September 6, 2017 2 Comments