Hurricane Ophelia smashes an Atlantic intensity record, heads for Ireland Monday

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By reaching Category 3 intensity on Saturday, Hurricane Ophelia became the strongest hurricane ever observed so far east in the Atlantic Ocean. It also became the sixth major hurricane to form this season so far, tying 1933, 1961, 1964, and 2004 for the most major hurricanes through Oct. 14. 

What the storm is about to do next is also unusual, though not at all unheard of. Over the next 24 to 48 hours, Hurricane Ophelia will transition from a storm containing a warm core — meaning warmer air is near the center of the storm — to a powerful cold core, post-tropical low pressure system.

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