Investigations into precipitation patterns in eastern Central Europe since the end of the last ice age have shown that dynamic processes in atmospheric circulation, such as the North Atlantic jet ...

(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 ...

The polar vortex, a high-altitude ring of westerly winds that usually keeps Arctic air locked near the pole, is showing signs of unusual weakening. If that circulation falters or collapses, the result ...