Unnamed tropical depression (1999)
Unnamed tropical depression peaked at 30 kt in the Western Pacific between December 7, 1999 and December 11, 1999.
Track and intensity
The whole track of Unnamed tropical depression, colored by strength, with the other storms of the 1999 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
- Western Pacific
- Dates
- December 7, 1999 to December 11, 1999
- Peak strength
- Tropical Depression, 30 kt (35 mph)
- Landfall
- No; closest approach 136 km (85 mi)
- Accumulated cyclone energy
- 0.0
- Identifier
- WP321999
Deaths and damage
No source this site reads carries a casualty or damage figure for this storm.
Track
| Time (UTC) | Position | Wind | Pressure | Status |
|---|---|---|---|---|
| Dec 7, 12:00 | 7.9N 116.0E | 20 kt | Not reported | |
| Dec 7, 18:00 | 7.9N 115.4E | 20 kt | Not reported | |
| Dec 8, 00:00 | 7.9N 114.9E | 20 kt | Not reported | |
| Dec 8, 06:00 | 7.9N 114.6E | 20 kt | Not reported | |
| Dec 8, 12:00 | 7.8N 114.1E | 20 kt | Not reported | |
| Dec 8, 18:00 | 7.7N 113.6E | 20 kt | Not reported | |
| Dec 9, 00:00 | 7.6N 113.2E | 20 kt | Not reported | |
| Dec 9, 06:00 | 7.5N 112.8E | 20 kt | Tropical storm | |
| Dec 9, 12:00 | 7.5N 112.4E | 20 kt | Tropical storm | |
| Dec 9, 18:00 | 7.5N 112.0E | 25 kt | Tropical storm | |
| Dec 10, 00:00 | 7.5N 111.1E | 30 kt | Tropical storm | |
| Dec 10, 06:00 | 7.5N 110.0E | 30 kt | Tropical storm | |
| Dec 10, 12:00 | 7.4N 109.1E | 30 kt | Tropical storm | |
| Dec 10, 18:00 | 7.2N 108.6E | 30 kt | Tropical storm | |
| Dec 11, 00:00 | 7.1N 108.3E | 20 kt | Tropical storm | |
| Dec 11, 06:00 | 7.0N 108.0E | 20 kt | Not reported |
Other Western Pacific storms of 1999
- Unnamed tropical stormWestern Pacific · 1999
- Tropical Storm IrisWestern Pacific · 1999
- Unnamed tropical stormWestern Pacific · 1999
- Typhoon KateWestern Pacific · 1999
- Typhoon LeoWestern Pacific · 1999
- Typhoon MaggieWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Tropical Storm NeilWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Typhoon OlgaWestern Pacific · 1999
- Tropical Storm PaulWestern Pacific · 1999
- Tropical Storm RachelWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Typhoon SamWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Typhoon VirgilWestern Pacific · 1999
- Tropical Storm WendyWestern Pacific · 1999
- Typhoon YorkWestern Pacific · 1999
- Tropical Storm ZiaWestern Pacific · 1999
- Tropical Storm AnnWestern Pacific · 1999
- Super Typhoon BartWestern Pacific · 1999
- Tropical Storm CamWestern Pacific · 1999
- Typhoon DanWestern Pacific · 1999
- Tropical Storm EveWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Tropical Storm FrankieWestern Pacific · 1999
- Typhoon GloriaWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
- Unnamed tropical depressionWestern Pacific · 1999
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.