2025 tropical cyclone season · western North Pacific
Typhoon Nongfa Nongfa · WP202025
Typhoon Nongfa was tracked in the western North Pacific from 2025-08-27 to 2025-08-31 (4 days), peaking at 39 kt (TS) with a minimum pressure of 993 hPa. 54 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track.
- ATCF ID
- WP202025
- Basin
- western North Pacific
- Tracked
- 2025-08-27 → 2025-08-31 (4 days)
- Peak wind
- 39 kt · 20 m/s · TS
- Minimum pressure
- 993 hPa
- Archived forecasts
- 54
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 93 (6) | 211 (2) | — | — |
| ECMWF ENS | 58 (6) | 211 (2) | — | — |
| GFS | 99 (6) | 351 (2) | — | — |
| GEFS | 113 (6) | 271 (2) | — | — |
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 |
|---|---|---|---|---|
| 2025-08-28 06Z | 14.9°N 115.9°E | 29 | 1001 | TD |
| 2025-08-28 12Z | 15.0°N 115.5°E | 29 | 1001 | TD |
| 2025-08-28 18Z | 15.6°N 114.1°E | 29 | 1001 | TD |
| 2025-08-29 00Z | 16.1°N 113.2°E | 29 | 1001 | TD |
| 2025-08-29 06Z | 16.4°N 112.2°E | 29 | 1000 | TD |
| 2025-08-29 12Z | 17.2°N 111.2°E | 29 | 999 | TD |
| 2025-08-29 18Z | 17.3°N 109.3°E | 29 | 999 | TD |
| 2025-08-30 00Z | 17.5°N 108.2°E | 39 | 993 | TS |
| 2025-08-30 06Z | 17.9°N 106.6°E | 39 | 997 | TS |
| 2025-08-30 12Z | 18.0°N 104.4°E | 25 | 1000 | TD |