Natural Climate Patterns

From the strongest typhoon ever observed to historically high atmospheric carbon dioxide levels, the State of the Climate in 2013 report provides a complete rundown on the state of Earth's climate and how it is changing.

May 2011

  • Above-average sea surface temperatures, a natural cycle of increased hurricane activity, and a fading La Nina have influenced the 2011 Atlantic hurricane outlook.

  • Near the Earth’s equator, solar heating is intense year round. Converging trade winds and abundant water vapor all combine to produce a persistent belt of daily showers known as the Intertropical Convergence Zone.