The polar vortex has taken on an unexpected ... south to over southern Canada and the United States. The pattern of high latitude high pressure caused the jet stream, a ribbon of strong winds ...

But the dipole of high pressure over California combined with the "Polar Vortex" low pressure ... in amplitude of the dipole pattern unless human-caused global warming was included.

This shift is encouraging the erratic weather patterns high in the atmosphere ... are happening more often as global warming has weakened the polar vortex. What’s less clear is whether those ...

Low pressure in one region begets high pressure in another ... These seesawing changes can trigger predictable shifts in global weather patterns. Content continues below Just about everything ...

They maintained that the persistent global uncertainty will continues to sustain pressure on the naira ... term primarily due to seasonal planting patterns across Northern and Southern food ...

The Coriolis effect, caused by Earth's rotation, deflects winds and currents, shaping global weather patterns, storm paths, ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems ... long-lasting area of high pressure known as a blocking high because it blocks ...

The current Arctic cold blast fits into this pattern, with the polar vortex stretched ... but it is likely related to high-latitude weather in the prior two weeks. Cold and global warming After ...

Global wind patterns are controlled by ocean currents, air pressure, and temperature differences across the planet. Perhaps the most critical component of this system is the polar jet stream -- a fast ...

These women — about 12% of the population studied — would not be flagged as high-risk by current ... trajectory of women’s blood pressure throughout pregnancy, and to spot a link between specific ...

Blocked patterns can bring extremes depending on where and when they develop - high temperatures and ... Scientists believe that due to global warming the polar jet stream is weakening.

Blood pressure patterns observed in the first half of pregnancy ... study supported by the National Institutes of Health (NIH). High blood pressure is a risk factor for heart disease, the leading ...