Bering Sea "Bomb" Cyclone Sports Category 1 Hurricane Winds, Falls 49 Millibars In 24 Hours

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This loop from the Himawari-9 Satellite emphasizes how intertwined the warm and cold air masses became in the rapidly intensifying storm. White clouds represent clouds made of ice, and pink represents clouds made of liquid water.

A powerful storm in the Bering Sea tied the record for most intense wintertime cyclone in the North Pacific over the weekend. (CIMSS/SSEC/University of Wisconsin)

The Bering Sea west of Alaska hosted a whopping storm system over the weekend, with sustained winds equivalent to a Category 1 hurricane and gusts up to 115 mph.

Having dropped 49 millibars between Saturday and Sunday, the incredible Aleutian cyclone constitutes a meteorological “bomb” — a storm that drops at least 24 millibars in 24 hours — more than twice over.

Early Sunday morning, the storm’s central pressure finally bottomed out at 924 millibars, tying the record for lowest wintertime pressure in the North Pacific Ocean since records began in the winter of 1969-1970. The previous strongest storm in this region occurred just one year ago.

EDIT

https://www.washingtonpost.com/news/capital-weather-gang/wp/2015/12/14/bering-sea-bomb-cyclone-ties-record-for-strongest-storm-in-north-pacific/?tid=hybrid_collaborative_2_na