Tropical Storm Ava (1977)
Tropical Storm Ava peaked at 55 kt in the Eastern Pacific between May 25, 1977 and May 30, 1977, with a lowest pressure of 997 mb.
Track and intensity
The whole track of Tropical Storm Ava, colored by strength, with the other storms of the 1977 season in the same basin behind it, and its wind and pressure hour by hour. Every fix is in the track table below.
The storm
- Basin
- Eastern Pacific
- Dates
- May 25, 1977 to May 30, 1977
- Peak strength
- Tropical Storm, 55 kt (63 mph)
- Lowest pressure
- 997 mb (29.44 inHg)
- Landfall
- No; closest approach 523 km (325 mi)
- Accumulated cyclone energy
- 2.4
- Fastest the center moved
- 11 kt (13 mph)
- Identifier
- EP011977
Deaths and damage
No source this site reads publishes a machine-readable casualty or damage figure for a storm of this era. The National Hurricane Center’s season tables begin in 1995 and carry deaths and damage only from 2005 in the Atlantic and 2020 in both basins; the US Storm Events record begins in 1996.
Track
| Time (UTC) | Position | Wind | Pressure | Status |
|---|---|---|---|---|
| May 25, 18:00 | 11.8N 107.5W | Tropical storm | ||
| May 26, 00:00 | 11.7N 108.5W | 30 kt | Tropical depression | |
| May 26, 06:00 | 11.6N 109.1W | 30 kt | Tropical depression | |
| May 26, 12:00 | 11.5N 109.6W | 40 kt | Tropical storm | |
| May 26, 18:00 | 11.6N 110.0W | 45 kt | Tropical storm | |
| May 27, 00:00 | 11.9N 110.3W | 45 kt | Tropical storm | |
| May 27, 06:00 | 12.7N 110.5W | 45 kt | Tropical storm | |
| May 27, 12:00 | 13.7N 110.6W | 40 kt | Tropical storm | |
| May 27, 18:00 | 14.8N 110.6W | 40 kt | Tropical storm | |
| May 28, 00:00 | 15.8N 110.7W | 40 kt | Tropical storm | |
| May 28, 06:00 | 16.8N 110.8W | 40 kt | Tropical storm | |
| May 28, 12:00 | 17.8N 110.7W | 55 kt | Tropical storm | |
| May 28, 18:00 | 17.9N 110.3W | 50 kt | Tropical storm | |
| May 29, 00:00 | 18.0N 110.0W | 40 kt | 997 mb | Tropical storm |
| May 29, 06:00 | 18.0N 110.0W | 40 kt | Tropical storm | |
| May 29, 12:00 | 18.0N 110.0W | 35 kt | Tropical storm | |
| May 29, 18:00 | 18.0N 110.0W | 30 kt | 1003 mb | Tropical depression |
| May 30, 00:00 | 18.0N 110.0W | 30 kt | Tropical depression | |
| May 30, 06:00 | 18.0N 110.0W | 30 kt | Tropical depression | |
| May 30, 12:00 | 18.0N 110.2W | 30 kt | Tropical depression |
Other Eastern Pacific storms of 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Tropical Storm BerniceEastern Pacific · 1977
- Hurricane ClaudiaEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Hurricane DoreenEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Tropical Storm EmilyEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
- Hurricane FlorenceEastern Pacific · 1977
- Tropical Storm GlendaEastern Pacific · 1977
- Hurricane HeatherEastern Pacific · 1977
- Unnamed tropical depressionEastern Pacific · 1977
What this means
A best track is the record a warning agency settles on after the storm, not what it said at the time: position, maximum sustained wind and central pressure every six hours, revised against every observation that came in later. Category is the Saffir-Simpson scale, which runs from Category 1 at 64 kt to Category 5 at 137 kt and reads wind only, so it says nothing about surge or rain. Accumulated cyclone energy adds up the square of the wind through the storm's life, so it counts strength and duration together.
Sources
Storm history from NOAA NCEI’s International Best Track Archive for Climate Stewardship (IBTrACS), which merges the official best track of every warning agency. Live storms, cones, watches and warnings from the National Hurricane Center and the Central Pacific Hurricane Center. Archived radar from NOAA’s Level II archive.
The National Hurricane Center has published no tropical cyclone report for this storm.