More than 400,000 people are still without power after a bomb cyclone rattled Seattle and other areas in the Northwest. Strong winds knocked trees onto roads and houses and at least 2 people died. | FOX Weather

WATCH: our new 'Understanding tropical cyclone categories' video. A tropical cyclone’s effects vary depending on its intensity, so it’s important to understand the hazards involved and the potential damage a tropical cyclone can cause. More info: http://www.bom.gov.au/cyclone/about/ | Bureau of Meteorology