What is a ‘bomb cyclone’ and what happens when it arrives?


What exactly is a “bomb cyclone?”

The ominous name “bomb cyclone” comes from a process called explosive cyclogenesis, or bombogenesis, in which a weather system undergoes a rapid drop in pressure. 

Bombogenesis occurs “when a midlatitude cyclone rapidly intensifies, dropping at least 24 millibars over 24 hours,” according to the National Oceanic and Atmospheric Administration (NOAA).

>> Read more trending news 

A millibar measures atmospheric pressure. A drop in pressure in a system equals strengthening of the system. 

Think of it as a winter hurricane.

Such weather systems in the northern hemisphere are centers of low pressure. When the pressure drops, the storms get stronger. When they drop in such a dramatic fashion over a short period of time, the results are equally dramatic.


Reader Comments ...


Next Up in Nation & World

George H.W. Bush: 9 things to know about the 41st president of the United States
George H.W. Bush: 9 things to know about the 41st president of the United States

Former President George Herbert Walker Bush was hospitalized Sunday in Houston after an infection spread to his blood, just days after the death of his wife, Barbara. "He is responding to treatments and appears to be recovering," his spokesman, Jim McGrath, tweeted Monday. Here are nine things you should know about Bush, who served as...
Disney offering hiring bonuses while unions prepare to return to the bargaining table
Disney offering hiring bonuses while unions prepare to return to the bargaining table

Walt Disney World is looking to hire more than 3,500 new workers, even offering “hiring bonuses” of up to $3,000 for some positions.  It all comes as the unions that represent 38,000 Disney workers get set to go back to the bargaining table next week.  Unionized workers have been locked in contract talks since last summer -- and...
Cam Newton surprises Special Olympics athletes with shopping spree
Cam Newton surprises Special Olympics athletes with shopping spree

Carolina Panthers quarterback Cam Newton surprised 20 children from Special Olympics North Carolina at a surprise shopping event at a Dick’s Sporting Goods in Barclay Downs, North Carolina, on Monday afternoon. Each child got a $200 gift card and spent time shopping with Newton, who served as a personal shopping consultant to the children and...
Company recalls certain ice pops sold in 15 states
Company recalls certain ice pops sold in 15 states

A frozen novelty manufacturer is voluntarily recalling certain ice pops that are sold in 15 states for possible listeria contamination. According to US Recall News, Ziegenfelder Co., of Wheeling, West Virginia, is recalling about 3,000 cases of Budget $aver Cherry Pineapple Monster Pops and Sugar Free Twin Pops because of the possible health risk...
George H.W. Bush hospitalized with blood infection after death of Barbara Bush
George H.W. Bush hospitalized with blood infection after death of Barbara Bush

Former President George H.W. Bush has been hospitalized in Houston with an infection, after attending the funeral of his wife Barbara.
More Stories