Great Blizzard of 2023

The Great Blizzard of 2023 was the most intense extratropical cyclone to strike North America on record. Originating as an elongated trough of low pressure over the western Caribbean Sea, a combination of an unusually sharp gradient of sea surface temperatures, the presence of a strong jet stream, and a rapidly cooling upper stratosphere caused the system to explosively intensify over the Gulf of Mexico, deepening to achieve a barometric pressure of 918 mbar (