HurricaneTracks

All seasons · Eastern and Central Pacific

1977 Pacific hurricane season

The 1977 Pacific season has 8 storms in the best-track record; 8 reached tropical-storm strength and 4 became hurricanes, none of them major. Its accumulated cyclone energy of 22.3 is the fourth-lowest of the 77 seasons in the eastern and central Pacific record since 1949. Florence was the strongest, peaking at 105 mph as a Category 2 hurricane. Like most Pacific seasons before 1989, it has no landfall records in the file. The first record is dated May 26, the last October 7.

10°N20°N30°N130°W120°W110°W100°WFlorenceClaudiaHeatherDoreenNot tropicalDepressionTropical stormCategory 1Category 2

Storm by storm

More storms formed in September than in any other month of 1977: 3 of 8. Doreen lasted longest, 5.0 days as a tropical or subtropical system. Claudia contributed the most energy, 22% of the season's ACE.

MayJunJulAugSepOctAvaBerniceClaudiaDoreenEmilyFlorenceGlendaHeather
StormDatesPeakStrengthLowestLandfalls
AvaMay 26–3065 mphTropical storm997 mb–
BerniceJun 25–2840 mphTropical storm––
ClaudiaJul 3–790 mphCategory 1––
DoreenAug 13–1875 mphCategory 1979 mb–
EmilySep 13–1440 mphTropical storm––
FlorenceSep 20–24105 mphCategory 2––
GlendaSep 24–2740 mphTropical storm––
HeatherOct 4–785 mphCategory 1––