 Tropical Storm Flossie yielded stormy weather to Hawaii in late July 2013 . The sixth tropical cyclone and named storm of the annual hurricane season , Flossie originated from a tropical wave that emerged off the western coast of Africa on July 9 . Tracking westward across the Atlantic with little development , it passed over Central America and into the eastern Pacific Ocean . By July 19 , Flossie had developed into a tropical depression . It moved westward, strengthening into a tropical storm the next day . Flossie peaked with winds of 50 mph (85 km/h) on July 22 . The storm weakened