By 0300 UTC on May 25, it intensified into a Category 3 hurricane, marking the second earliest formation of an East Pacific major hurricane on record, behind 2012's Hurricane Bud.
By 0300 UTC on May 25, it intensified into a Category 3 hurricane, reaching Category 4 six hours later. On May 25, Amanda became the second-earliest East Pacific major hurricane on record, behind 2012's Hurricane Bud.