warming trend alone," says Overland, "and we think this unusual circulation of the Arctic atmosphere is major part of it." The question now, says, Overland is why have these high pressure patterns hav ...

exceeding the thresholds, but a coherent atmospheric response didn't kick in right away. The atmosphere-ocean system is vastly complicated, of course, and there are always many different things going ...

over Europe and the eastern US (more information here). Figure 3 illustrates the middle- atmosphere pressure pattern representing the positive NAO phase. This pressure pattern aloft would correspond to ...

are similar to ocean waves with huge dips and ridges that span enormous distances across the atmosphere. These waves can be generated within the stratosphere itself but often it's the troposphere comm ...

SST) across the tropical Pacific have exceeded the thresholds of weak El Niño (1), but the atmosphere has failed to really participate. Otherwise, we'd have seen above-average convection (thunderstorm ...

Lorenzo. Dr. Klotzbach pointed to the change in activity as El Niño ended in August and the atmosphere shifted away from any lingering El Niño-like conditions. This change shows up when you look at th ...

of Washington and a senior fellow in the university's Joint Institute for the Study of the Atmosphere and Ocean. For more information click here. Editor's note: This is one of eight videos captured du ...

adaptation options for national forests and national parks that manage more than 28 million acres in northern Idaho, Montana, northwestern Wyoming, North Dakota, and northern South Dakota. The results ...

activity in natural wetlands may be depleted in carbon-13 compared to the ambient global atmosphere, but it's not as depleted as some agricultural sources. "To be consistent with the measurements of a ...

during El Niño. During an El Niño event, massive cumulus clouds and rainfall linked to atmosphere convection move away from Indonesia, out into the central or eastern Pacific following the eastward ex ...