Bomb Cyclone
- A bomb cyclone hit the US north-west and western Canada recently.
- Bombogenesis refers to a storm (low pressure area) undergoing rapid strengthening over a 24-hour period, with significant barometric pressure drop.
- It can occur in tropical or non-tropical storms, mainly over oceans.
- The term comes from "bomb" (explosive development) and "cyclogenesis" (storm formation).
- Cyclones are large air columns that spin counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
- Bombogenesis occurs when the atmospheric pressure within a storm drops by at least 0.71 inches (24 millibars) in 24 hours.
- The Superstorm of 1993, Hurricane Charley (2004), Hurricane ....