A low pressure system currently causing heavy rain over the Northern Territory could develop into a tropical cyclone near the Pilbara coast later this week.

As recovery from a historic ice storm continues across parts of the South, a new and potentially dangerous winter weather threat is set to unfold along the East Coast. A powerful bomb cyclone could bring blizzard conditions to portions of the Carolinas and southern Virginia this weekend.

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds. Here's why.

It could become a bomb cyclone and impact some of the same areas just hit by a monster storm this past weekend.

A weekend East Coast storm could bring significant snow, strong winds and coastal flooding from the Carolinas to New England.

The coastal storm is still taking shape but seems likely to be designated a "bomb cyclone."

(THE CONVERSATION) A bomb cyclone is a large, intense midlatitude storm that has low pressure at its center, weather fronts and an array of associated weather, from blizzards to severe thunderstorms to heavy precipitation.

A bomb cyclone is a name that was given to the atmospheric process of 'explosive cyclogenesis' and is used to describe a quickly and deeply strengthening storm. It has also been referred to as 'bombogenesis.'