Unnamed tropical storm (1984)
Unnamed tropical storm peaked at 50 kt in the North Atlantic between August 18, 1984 and August 21, 1984, with a lowest pressure of 1000 mb.
Track and intensity
The whole track of Unnamed tropical storm, colored by strength, with the other storms of the 1984 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
- North Atlantic
- Dates
- August 18, 1984 to August 21, 1984
- Peak strength
- Tropical Storm, 50 kt (58 mph)
- Lowest pressure
- 1000 mb (29.53 inHg)
- Landfall
- No; closest approach 485 km (301 mi)
- Accumulated cyclone energy
- 0.0
- Identifier
- AL051984
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 |
|---|---|---|---|---|
| Aug 18, 06:00 | 33.0N 65.0W | 25 kt | 1005 mb | Subtropical depression |
| Aug 18, 12:00 | 33.9N 63.1W | 25 kt | 1004 mb | Subtropical depression |
| Aug 18, 18:00 | 34.7N 61.3W | 30 kt | 1003 mb | Subtropical depression |
| Aug 19, 00:00 | 35.5N 59.5W | 30 kt | 1002 mb | Subtropical depression |
| Aug 19, 06:00 | 36.5N 58.0W | 30 kt | 1001 mb | Subtropical depression |
| Aug 19, 12:00 | 38.0N 56.4W | 35 kt | 1000 mb | Subtropical storm |
| Aug 19, 18:00 | 39.6N 54.8W | 35 kt | 1000 mb | Subtropical storm |
| Aug 20, 00:00 | 41.2N 53.2W | 40 kt | 1000 mb | Subtropical storm |
| Aug 20, 06:00 | 42.5N 50.8W | 45 kt | 1000 mb | Subtropical storm |
| Aug 20, 12:00 | 43.7N 48.3W | 50 kt | 1001 mb | Subtropical storm |
| Aug 20, 18:00 | 45.1N 46.0W | 50 kt | 1002 mb | Subtropical storm |
| Aug 21, 00:00 | 46.8N 44.0W | 45 kt | 1004 mb | Subtropical storm |
| Aug 21, 06:00 | 47.9N 41.1W | 40 kt | 1006 mb | Subtropical storm |
| Aug 21, 12:00 | 48.5N 38.0W | 30 kt | 1008 mb | Subtropical depression |
Other North Atlantic storms of 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Tropical Storm ArthurNorth Atlantic · 1984
- Tropical Storm BerthaNorth Atlantic · 1984
- Tropical Storm CesarNorth Atlantic · 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Hurricane DianaNorth Atlantic · 1984
- Tropical Storm EdouardNorth Atlantic · 1984
- Tropical Storm FranNorth Atlantic · 1984
- Tropical Storm GustavNorth Atlantic · 1984
- Hurricane HortenseNorth Atlantic · 1984
- Tropical Storm IsidoreNorth Atlantic · 1984
- Hurricane JosephineNorth Atlantic · 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Hurricane KlausNorth Atlantic · 1984
- Unnamed tropical depressionNorth Atlantic · 1984
- Hurricane LiliNorth Atlantic · 1984
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.