Nation Tropical Storm Josephine forms in Atlantic, the 10th storm of a record-setting season August 13, 2020August 13, 2020 Kimberly Miller and Doyle Rice, USA TODAY Comments Off on Tropical Storm Josephine forms in Atlantic, the 10th storm of a record-setting season The storm, which is the 10th named storm of the 2020 Atlantic hurricane season, has maximum sustained winds of 45 mph.