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 ...

(a) Northwest type, (b) Southeast type, and (c) Southern Himalayas type. “C”: cyclonic circulation anomaly. “A”: anticyclonic circulation anomaly. The green arrow indicates moisture transport and its ...

Add Yahoo as a preferred source to see more of our stories on Google. Atmospheric rivers are long filaments of moisture that curve poleward. Several are visible in this satellite image. Bin Guan, NASA ...

The Hadley circulation is a key atmospheric circulation pattern in the tropics. It helps even out the temperature between the equator and the poles by moving energy and momentum toward higher ...