Natural Climate Patterns

During the second half of December and the beginning of January, places from Sri Lanka to northwest Australia experienced exceptionally heavy rains, flash floods, and landslides.

Sunday, May 1, 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.