The winter solstice is on Friday but the polar jet stream is no where to be found 🕵️ Although astronomical winter arrives on Friday, the weather isn't looking particularly winter-like this week thanks to a persistent low pressure system in the Tasman Sea. This low will eventually see the wind flows across New Zealand become northerly from about Wednesday onward. After spending about 10 days near our shores, the low will likely finally depart early next week, giving way to a colder, southerly ai

18K views · 153 reactions | The weather is turning more unsettled, cooler and showery. But why does the jet stream have such an impact on our weather? | Met Office | Facebook