The Atlantic now has 3 hurricanes at the same time: #Florence, #Helene and #Isaac. This is the 11th year on record that the Atlantic has had 3+ hurricanes simultaneously. Other years were 1893, 1926, 1950, 1961, 1967, 1980, 1995, 1998, 2010, and 2017. pic.twitter.com/uQxzXsMmfg

— Philip Klotzbach (@philklotzbach) September 10, 2018