The name Irene was used for eight tropical cyclones worldwide, eight in the Atlantic Ocean one in the Western Pacific Ocean, as well as for one extratropical European windstorm.
In the Atlantic:
The name Irene was retired in the North Atlantic after the 2011 season, and was replaced by Irma for the 2017 season.
In the Western Pacific:
In the Southwest Pacific Ocean:
In the Australian region:
In the South-West Indian Ocean:
In Europe:
The name Frances has been used for eight tropical cyclones in the Atlantic Ocean and for one in the Australian region.
The name Iris was used for three tropical cyclones in the Atlantic Ocean.
The name Gloria has been used for eighteen tropical cyclones worldwide: three in the Atlantic Ocean, two in the Australian region, one in the South-West Indian Ocean, and twelve in the Western Pacific Ocean. It has also been applied to one extratropical European windstorm.
The name Barbara has been used for thirteen tropical cyclones worldwide: two in the Atlantic Ocean, seven in the Eastern Pacific Ocean, one in the South Pacific Ocean, one in the Western Pacific Ocean, and two in the South-West Indian Ocean. It has also been used to name one extratropical cyclone in the UK and Ireland.
During 2005, tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 141 systems formed with 94 of these developing further and were named by the responsible warning centre. The strongest tropical cyclone of the year was Hurricane Wilma, which was estimated to have a minimum barometric pressure of 882 hPa (26.05 inHg). 2005 was above-average in terms of the number of storms. The most active basin in the year was the North Atlantic, which documented 28 named systems. The Western Pacific had an near-average season with 23 named storms. The Eastern Pacific hurricane season experienced an above-average number of tropical storm intensity systems, numbering 15. Activity across the southern hemisphere's three basins – South-West Indian, Australian, and South Pacific – was fairly significant, with the regions recording 23 named storms altogether, with the most intense Southern Hemisphere cyclone of the year, Cyclone Percy from the South Pacific Ocean basin peaking at 145 mph (235 km/h) and 900 millibars. Throughout the year, 28 Category 3 tropical cyclones formed, including eight Category 5 tropical cyclones in the year.