Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go 'Beyond the nugget' to learn about the polar vortex and the Santa Ana winds.

With temperatures expected to plunge by approximately 12C in the coming days, snow could well fall - even across southern counties - as winter makes an impish return ...

A wind turbine in Victorias south-west has collapsed following several days of strong wind gusts across the region.Locals ...

Two cyclones to the south and a monsoonal trough to the north have exacerbated storm damage which Christmas Island residents say is long overdue for repair.