Tropical Storm Nana (2008)
Tropical Storm Nana's formation was expected for a few days before it actually developed. Movement and strength predictions were also better than the long term average. Because of Nana's short life the sample size is not very meaningful. Tropical Storm Nana stayed in the middle of the Atlantic and never came near land. As a result, it had no known impact. No ships reported strong winds that came from the tropical storm.