The 1977 hurricane season
Every storm track on one map · Atlantic & Pacific · 23 systems
TD TS Cat 1 2 3 4 5 · hover a track to highlight it, click to open the storm’s own page with an animated replay.
01 · Summary
How the 1977 season went
The 1977 Atlantic season produced 6 tropical storms, 5 hurricanes and 1 major hurricanes (Cat 3+), with an accumulated cyclone energy (ACE) of 25. The strongest was Hurricane Anita at 173 mph / 926 mb. 0 storms made landfall.
The 1977 Eastern Pacific season (Eastern and Central Pacific) produced 8 tropical storms, 4 hurricanes and 0 major hurricanes (Cat 3+), with an accumulated cyclone energy (ACE) of 22. The strongest was Hurricane Florence at 104 mph. 0 storms made landfall.
02 · Timeline
Storm by storm, month by month
Each bar is one storm’s life, colored by its strength at that moment (faded = post-tropical). Click a bar to open the storm.
03 · Atlantic
Atlantic storms of 1977
| Storm | Dates | Peak | Pressure | Landfall | ACE |
|---|---|---|---|---|---|
| Unnamed storm #1 | Jun 13 – Jun 14 | TD 29 mph | — | — | 0.0 |
| Unnamed storm #2 | Jul 18 – Jul 19 | TD 35 mph | — | — | 0.0 |
| Unnamed storm #3 | Jul 25 – Jul 26 | TD 29 mph | — | — | 0.0 |
| Unnamed storm #4 | Aug 1 – Aug 4 | TD 35 mph | — | — | 0.0 |
| Hurricane Anita · 10 deaths | Aug 29 – Sep 3 | Cat 5 173 mph | 926 mb | — | 12.8 |
| Hurricane Babe | Sep 3 – Sep 9 | Cat 1 75 mph | 995 mb | — | 2.3 |
| Hurricane Clara | Sep 5 – Sep 12 | Cat 1 75 mph | 993 mb | — | 3.7 |
| Unnamed storm #8 | Sep 17 – Sep 19 | TD 29 mph | — | — | 0.0 |
| Unnamed storm #9 | Sep 22 – Sep 23 | TD 29 mph | — | — | 0.0 |
| Hurricane Dorothy | Sep 26 – Sep 30 | Cat 1 86 mph | 980 mb | — | 3.4 |
| Unnamed storm #11 | Oct 1 – Oct 3 | TD 35 mph | — | — | 0.0 |
| Unnamed storm #12 | Oct 3 – Oct 5 | TD 35 mph | — | — | 0.0 |
| Hurricane Evelyn | Oct 13 – Oct 16 | Cat 1 81 mph | 994 mb | — | 2.4 |
| Tropical Storm Frieda | Oct 16 – Oct 19 | TS 58 mph | 1005 mb | — | 0.8 |
| Unnamed storm #15 | Oct 24 – Oct 25 | TD 35 mph | — | — | 0.0 |
04 · Pacific
Eastern & Central Pacific storms of 1977
| Storm | Dates | Peak | Pressure | Landfall | ACE |
|---|---|---|---|---|---|
| Tropical Storm Ava | May 26 – May 30 | TS 63 mph | 997 mb | — | 2.4 |
| Tropical Storm Bernice | Jun 25 – Jun 28 | TS 40 mph | — | — | 0.9 |
| Hurricane Claudia | Jul 3 – Jul 7 | Cat 1 92 mph | — | — | 5.0 |
| Hurricane Doreen | Aug 13 – Aug 18 | Cat 1 75 mph | 979 mb | — | 4.2 |
| Tropical Storm Emily | Sep 13 – Sep 14 | TS 40 mph | — | — | 0.5 |
| Hurricane Florence | Sep 20 – Sep 24 | Cat 2 104 mph | — | — | 4.8 |
| Tropical Storm Glenda | Sep 24 – Sep 27 | TS 40 mph | — | — | 0.5 |
| Hurricane Heather | Oct 4 – Oct 7 | Cat 1 86 mph | — | — | 4.1 |
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