List of Category 2 Pacific hurricanes

Hurricane Adrian at Category 2 strength on June 30, 2023

Category 2 is the fourth-highest classification on the Saffir–Simpson hurricane wind scale, and categorizes tropical cyclones with 1-minute maximum sustained winds between 83 and 95 knots (96 and 109 mph; 154 and 176 km/h; 43 and 49 m/s). Tropical cyclones that strengthen to Category 2 status and make landfall are capable of causing severe damage to human lives and infrastructure. As of 2022, a total of 89 hurricanes have peaked at Category 2 intensity within the Northeast Pacific basin, which is defined as the region of the Pacific Ocean north of the equator and east of the International Date Line. Collectively, 1,775 people have been killed as a result of Category 2 Pacific hurricanes. Storms that also attained Category 3, 4, or 5 status on the scale are not included.

There is a plethora of factors that influence tropical cyclogenesis, the formation of tropical cyclones, in the Northeastern Pacific. The North Pacific High and Aleutian Low, which occur from December to April, produce strong upper-level winds which prevents the formation of tropical cyclones. During the summer and early autumn months, sea surface temperatures are generally warm enough to support tropical cyclone development in the Northeast Pacific, and perhaps even rapid intensification. Additionally, El Niño events cause more powerful hurricanes to form by generating weaker wind shear and higher sea surface temperatures, while La Niña events reduce the number of such hurricanes by doing the opposite.


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