Sentences with phrase «southward dips»

What we experienced was one of those big southward dips in the jet stream caused by warming air in the Arctic, in combination with a big northward swing over California and the Eastern Pacific.

During the past few weeks, a big swing northward, forming what's called a «ridge» of persistent atmospheric pressure, persisted off the West Coast along with a deep southward dip, or a «trough,» over the East.

Not exact matches

When polar air dipping southward collides with rising warm tropical air, the meet - up causes a powerful atmospheric wave with rollercoaster - like patterns that propagate eastward around the globe.

Now to make matters even more complicated imagine this band of jet stream meandering around the northern hemisphere west to east like a cap, it doesn't move along the same latitude, but undulates... sometimes travelling northward on its eastern journey, sometimes southward, with globally four / six massive dips or troughs and four / six massive crests or peaks around the entire northern hemisphere.

But it got even larger when a cold Jet Stream made a sharp dip southward from Canada down into the eastern U.S..