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14 February 2017
We Call This a Bomb
When a weak low-pressure system suddenly intensifies and becomes an intense storm, we call the low “a bomb”, because the storm suddenly explodes. Meteorologists have actually defined “a bomb” as explosive cyclogenesis with a pressure drop of 24 millibars or more in 24 hours. This storm easily made the cut, and the image above is a classic example of one. This low passed over Maryland Sunday afternoon, and brought sunshine …