Extreme Events

Uncommon atmospheric circumstances spawned a pair of tropical cyclones in the western Pacific—one on either side the equator, at nearly the same longitude, at nearly the same time. Why are twin cyclones more common during El Niño?

Monday, August 1, 2011

  • From drought in the Amazon to Australia's record spring rains, this interactive map highlights significant regional climate events in 2010 that were influenced by El Niño and La Niña.