May 4, 2011

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.

April 22, 2011

As far back as August 2010, NOAA's seasonal climate models predicted that rainfall would be heavier than normal across Indonesia and Southeast Asia in early 2011. The cause? La Niña.

October 22, 2009

In May and June each year, speculation about the coming of the monsoon fills newspapers and conversations across India. Everyone is concerned about if, when, and how much rain will arrive. But none have more at stake than India’s over 100 million farming households.

Map showing global and local sea level change in shades of blue and brown
January 25, 2021

Sea level has risen 8-9 inches since 1880, and the rate is accelerating thanks to glacier and ice sheet melt. 

The purpose of this investigation is to facilitate understanding of the basics of cloud formation involving the changing state of water. This activity should enhance the understanding of the change of state concept, which is important in the study of meteorology.

Students observe the process of evaporation, make comparisons about the process, then construct a diagram and use it to describe the process of evaporation.