1977 Global Tropical Cyclones Outside the Northwest Pacific
Included in this database in 1977 17 Tropical cyclones outside the Northwest Pacific: East Pacific 17. Strongest of the year: Hurricane Florence (approx. 46.3 m/s). For Northwest Pacific typhoons, please see 1977 Typhoon .
| The name | English Name | ocean area | Peak Category | Max Wind(m/s) | Minimum Pressure (hPa) | Formation Date | Data Reliability ⓘ |
|---|---|---|---|---|---|---|---|
| Ava | Ava | East Pacific | Tropical Storm | 28.3 | 997 | 1977-05-26 | Reliable |
| - | - | East Pacific | Tropical Depression | 15.4 | - | 1977-05-31 | Reliable |
| - | - | East Pacific | Tropical Depression | 14.9 | - | 1977-06-10 | Reliable |
| Bernice | Bernice | East Pacific | Tropical Storm | 18 | - | 1977-06-25 | Reliable |
| Claudia | Claudia | East Pacific | Cat 1 Hurricane | 41.2 | - | 1977-07-03 | Reliable |
| - | - | East Pacific | Tropical Depression | 15.4 | - | 1977-07-08 | Reliable |
| - | - | East Pacific | Tropical Depression | 15.4 | - | 1977-07-09 | Reliable |
| - | - | East Pacific | Tropical Depression | 12.9 | - | 1977-07-25 | Reliable |
| - | - | East Pacific | Tropical Depression | 13.9 | - | 1977-08-02 | Reliable |
| Doreen | Doreen | East Pacific | Cat 1 Hurricane | 33.4 | 979 | 1977-08-13 | Reliable |
| - | - | East Pacific | Tropical Depression | 14.9 | - | 1977-09-03 | Reliable |
| Emily | Emily | East Pacific | Tropical Storm | 18 | - | 1977-09-13 | Reliable |
| - | - | East Pacific | Tropical Depression | 15.4 | - | 1977-09-19 | Reliable |
| Florence | Florence | East Pacific | Cat 2 Hurricane | 46.3 | - | 1977-09-20 | Reliable |
| Glenda | Glenda | East Pacific | Tropical Storm | 18 | - | 1977-09-24 | Reliable |
| Heather | Heather | East Pacific | Cat 1 Hurricane | 38.6 | - | 1977-10-04 | Reliable |
| - | - | East Pacific | Tropical Depression | 15.4 | - | 1977-10-22 | Reliable |
Data sources: NOAA IBTrACS v04r01; intensity levels converted per regional agency classifications, for reference only.