The 2006 Central Pacific cyclone,also called 91C.INVEST or Storm 91C, was an unusual weather event of 2006. Forming on October 30 from a mid-latitude cyclone in the north Pacific mid-latitudes, it moved over waters warmer-than-normal. It acquired some features more typical of subtropical or even tropical cyclones.

Hurricane Paul 2006 was a hurricane that ultimately struck Mexico as a tropical depression in October 2006. It developed from an area of disturbed weather on October 21, and slowly intensified as it moved into an area of warm waters and progressively decreasing wind shear. Paul attained hurricane status on October 23, and later that day it reached its peak intensity of 105 mph (165 km/h), a strong Category 2 hurricane on the Saffir-Simpson scale.