Historic ‘bomb cyclone’ freezes North America
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AFP
AFP
Paris (AFP) – The extreme cold weather hitting North America in the run-up to Christmas holidays is due to a phenomenon called a “bomb cyclone”. The US National Weather Service said this “once in a generation type event” has the power to turn deadly and is already breaking cold-weather records — with temperatures falling to minus 53 degrees Celsius (minus 63 Fahrenheit) in western Canada, minus 38 in Minnesota and minus 13 in Dallas. It’s even snowing in subtropical northern Florida. A bomb cyclone, or bombogenesis, is a quickly intensifying storm that occurs when air pressure drops 20 milli…
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