Atmospheric circulation
Videos
Atmospheric circulation is the large-scale movement of air and together with ocean circulation is the means by which thermal energy is redistributed on the surface of Earth. Earth's atmospheric circul
The ITCZ's band of clouds over the Eastern Pacific and the Americas as seen from space
El Niño–Southern Oscillation
Videos
El Niño–Southern Oscillation is a global climate phenomenon that emerges from variation in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have an irregular patter
Sea surface temperature anomalies in November 2007, showing La Niña conditions
Between 50,000 and 100,000 people died during the 2011 East Africa drought.
NOAA Nino
NOAA Nina