Three storms have been named Atu since 1983: three in the Southern Hemisphere (1983, 1996 and 2011). The strongest, in 2011, peaked as a Category 4 cyclone with winds of 130 mph (215 km/h).
Atu formed in the Southern Hemisphere in February 2011 and peaked as a Category 4 cyclone with maximum sustained winds of 130 mph (215 km/h) and a minimum pressure of 937 mb. It did not make landfall. The system was tracked for 11 days.
Cyclone Atu (2011): track and historyAtu formed in the Southern Hemisphere in March 1996 and peaked as a tropical storm with maximum sustained winds of 65 mph (100 km/h) and a minimum pressure of 987 mb. It did not make landfall. The system was tracked for 14 days.
Tropical Storm Atu (1996): track and historyAtu formed in the Southern Hemisphere in December 1983 and peaked as a tropical storm with maximum sustained winds of 40 mph (65 km/h) and a minimum pressure of 987 mb. It did not make landfall. The system was tracked for 5 days.
Tropical Storm Atu (1983): track and historyThe most recent was Cyclone Atu in 2011, in the Southern Hemisphere. It formed on February 16, peaked at 130 mph (215 km/h) and lasted 11 days. It did not make landfall. Before that, the name was used in 1996 and 1983.
Cyclone Atu in 2011 was the strongest, peaking as a Category 4 cyclone with winds of 130 mph (215 km/h) and a minimum pressure of 937 mb. It formed in the Southern Hemisphere in February. The weakest of the three, in 1983, peaked at 40 mph (65 km/h).