A gigantic, mid-latitude cyclone or low-pressure system that swept across Western Canada Tuesday into Wednesday. DON'T MISS: Changeable mix of summer and fall will define Canada's Labour Day weekend ...

Sunday, a massive mid-latitude cyclone made history by becoming the strongest storm ever in the Pacific Northwest. The low-pressure centre of the cyclone hit a record low of 942.5 millibars and ...

The images, released by the Cooperative Institute for Research in the Atmosphere (CIRA), show the evolution of a mid-latitude cyclone in the northern Pacific Ocean.

A visible satellite image of a powerful mid-latitude cyclone from 2003. (NASA) Cold-core cyclones, though, do not develop eyes at their center like hurricanes do.

A bomb cyclone develops when a mid-latitude cyclone intensifies, dropping atmospheric pressure by at least 24 millibars in a span of 24 hours. While the bomb cyclone has been battering the West Coast, ...

Cyclones are not all made equal and the 300km system off the Queensland coast is shaping up to be a monster. In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye ...

A good portion of Western Canada experienced a wild roller-coaster ride of weather this week, from severe storms and heavy rainfall to high-elevation snow and a sharp temperature drop. The culprit? A ...

Cyclones are not all made equal and the 300km system off the Queensland coast is shaping up to be a monster. In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye ...

Cyclones are not all made equal and the 300km system off the Queensland coast is shaping up to be a monster. In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye ...

Cyclones are not all made equal and the 300km system off the Queensland coast is shaping up to be a monster. In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye ...