2025 tropical cyclone season · western North Pacific
Typhoon Tapah Tapah · WP222025
Typhoon Tapah was tracked in the western North Pacific from 2025-09-05 to 2025-09-09 (4 days), peaking at 64 kt (H1) with a minimum pressure of 984 hPa. 48 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track.
- ATCF ID
- WP222025
- Basin
- western North Pacific
- Tracked
- 2025-09-05 → 2025-09-09 (4 days)
- Peak wind
- 64 kt · 33 m/s · H1
- Minimum pressure
- 984 hPa
- Archived forecasts
- 48
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 37 (4) | — | — | — |
| ECMWF ENS | 29 (4) | — | — | — |
| GFS | 81 (4) | — | — | — |
| GEFS | 47 (4) | — | — | — |
Mean great-circle distance to the best track at each lead time, counted while the system was a tropical or subtropical cyclone; the number of cases is in brackets.
Best track
Six-hourly positions of the US best track (JTWC / NHC, one-minute winds); grades on the Saffir–Simpson scale.
| Time (UTC) | Position | Wind (kt) | Pressure (hPa) | Grade |
|---|---|---|---|---|
| 2025-09-06 06Z | 18.2°N 116.5°E | 29 | 1002 | TD |
| 2025-09-06 12Z | 18.6°N 115.9°E | 29 | 1002 | TD |
| 2025-09-06 18Z | 18.5°N 114.8°E | 39 | 997 | TS |
| 2025-09-07 00Z | 18.3°N 114.4°E | 45 | 994 | TS |
| 2025-09-07 06Z | 19.3°N 113.8°E | 45 | 994 | TS |
| 2025-09-07 12Z | 20.0°N 113.6°E | 51 | 991 | TS |
| 2025-09-07 18Z | 20.8°N 113.2°E | 60 | 984 | TS |
| 2025-09-08 00Z | 21.8°N 112.6°E | 64 | 984 | H1 |