Rainfall totals across parts of Texas and Oklahoma were several hundred percent above normal in May 2015, leading to record-breaking flood levels on many rivers.

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?

We're nine laps into the race to set a new global annual temperature record. NOAA climate scientist Deke Arndt talks about how this year's race might end--and why yearly rankings tell us less about the big picture of climate change than we might think.

IRI's Walter Baethgen gives an overview of El Niño's potential impacts on global food production.