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?

Monday, August 1, 2011

  • Dr. Gerry Bell, the Lead Seasonal Hurricane Forecaster at NOAA’s Climate Prediction Center, talks about the 2010 Revised Hurricane Outlook and the importance of coastal residents having a preparedness plan.