World weather in 2009

The world weather in 2005 was a year of extremes,[1] particularly in the Atlantic hurricane season. The year was also declared the hottest year on record worldwide at the time, according to records that date back to 1886.[2] The record was beaten in a last-minute temperature rise in 2006,[3] possibly because of global warming.[4] The year was also declared the costliest for extreme weather.[5]

Hurricane Katrina had caused thousands of deaths and over one billion dollars in damage, thus making it the costliest storm in the history of the United States. There were also events of smaller scale across the world. There were two airplane crashes that were weather-related. There were a total of 82 storms across the world that were rated as tropical depressions or higher.