111K views · 421 reactions |  The jet stream is taking a nap: this animation shows how there will be a lack of jet stream action around NZ over the next 10 days... After frequently being located near the country during autumn, the polar jet has found itself buried deep in the Southern Ocean during winter as a La Niña-like pattern builds. The jet may strengthen in late July as the Madden-Julian Oscillation swings eastward from the Indian Ocean. >Ben | NIWA Weather | Facebook

This animated JET STREAM FORECAST shows how the northern and southern streams are to combine or "phase" to generate the vertical motions in the atmosphere which will drop Central U.S. barometric pressures precipitously---generating wind and significant precip in the process. The color scheme highlight wind velocities. Note how a powerful phased "wind max" develops aloft over the Central U.S. in this animated forecast. It's that wind max that is to drive rapid intensification of the winter storm

12K views · 73 reactions | The jet stream is often mentioned within the weather forecast. Do you know what impact it has on the UK weather? Find out here how it will influence our weather through the coming week | Met Office | Facebook