Bomb Cyclone and Polar Vortex: Understanding the US Winter Storm Threat
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CNBC TV18•28-01-2026, 12:08
Bomb Cyclone and Polar Vortex: Understanding the US Winter Storm Threat
- •The East Coast of the US faces another severe winter storm after Winter Storm Fern, with experts predicting it could be stronger.
- •A bomb cyclone is a rapidly intensifying storm where atmospheric pressure drops sharply (at least 24 millibars in 24 hours) due to colliding warm and cold air.
- •These storms, also known as explosive cyclogenesis or bombogenesis, bring strong winds, heavy snow, and coastal flooding.
- •The polar vortex is a large area of swirling cold air typically over the North Pole, which, when disrupted, can send frigid Arctic air to lower latitudes like the US, Europe, or Asia.
- •The current system could bring Arctic air as far south as Florida, the Bahamas, and Cuba, with winds potentially reaching 40 mph or more in areas like Cape Cod and the Outer Banks.
Why It Matters: The US East Coast is bracing for a powerful bomb cyclone and polar vortex bringing extreme cold and severe weather.
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