Observing & Predicting

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?

Friday, June 1, 2012

  • NOAA's 2012 hurricane outlook favors a slightly below average number and strength of storms in the central Pacific basin and a near-average season in both the Eastern Pacific and Atlantic basins.

  • Deke Arndt, Chief of the Climate Monitoring Branch at NOAA’s National Climatic Data Center talks about the unusual heat in May 2012.