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The Weather Channel

Here’s what a bomb cyclone is and why it matters

The Weather Channel · Just In
The Weather Channel
The Weather Channel
Just In

You may have heard the term “bomb cyclone” during the winter months, but do you really know what it is? We will break down what the term is and what you should do if you hear a bomb cyclone is headed your way.

Breakdown
  • A bomb cyclone occurs when a low-pressure system drops at least 24 millibars in 24 hours, indicating rapid strengthening. 4s
  • These storms most often form off the East Coast, where cold air meets warm Atlantic waters, fueling their growth. 17s
  • Bomb cyclones can bring powerful winds, heavy precipitation, coastal flooding, and sometimes blizzard-like conditions. 22s
  • Forecasters recommend preparing for bomb cyclones as for any major storm, including securing items and stocking essentials. 35s
  • Monitoring weather alerts is important during bomb cyclone events. 40s
Weather