The circulation of the atmosphere is characterized by features such as polar fronts, mid-latitude jet streams (fast-flowing narrow air currents) and a tropical meridional (north–south) overturning ...

The Asian–Pacific Oscillation (APO), a dominant mode of atmospheric variability characterized by a seesaw variation in the upper-tropospheric temperature between Asia and the North Pacific, plays ...

An international team of scientists found that volcanic eruptions can cause the Pacific Walker Circulation to temporarily weaken, inducing El Niño-like conditions. The results provide important ...

Pedro DiNezio receives funding from NSF. One of the big contributors to the record-breaking global temperatures over the past year – El Niño – is now gone, and its opposite, La Niña, is on the way.