2026 tropical cyclone season · western North Pacific
Typhoon Atsani Atsani · WP192026
Typhoon Atsani was tracked in the western North Pacific from 2026-08-22 to 2026-08-25 (3 days), peaking at 29 kt (TD) with a minimum pressure of 1000 hPa. 31 archived forecasts from ECMWF, ECMWF ENS are verified against its best track; at 48 hours the closest was ECMWF, 45 km off on average.
- ATCF ID
- WP192026
- Basin
- western North Pacific
- Tracked
- 2026-08-22 → 2026-08-25 (3 days)
- Peak wind
- 29 kt · 15 m/s · TD
- Minimum pressure
- 1000 hPa
- Archived forecasts
- 31
- Sources
- ECMWF · ECMWF ENS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 57 (6) | 45 (4) | — | — |
| ECMWF ENS | 58 (8) | 74 (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 |
|---|---|---|---|---|
| 2026-08-22 12Z | 12.2°N 135.4°E | 29 | 1001 | TD |
| 2026-08-22 18Z | 12.5°N 135.6°E | 29 | 1000 | TD |
| 2026-08-23 00Z | 12.9°N 135.2°E | 29 | 1000 | TD |
| 2026-08-23 06Z | 13.4°N 135.9°E | 29 | 1000 | TD |
| 2026-08-23 12Z | 13.7°N 136.5°E | 29 | 1001 | TD |
| 2026-08-23 18Z | 14.0°N 136.5°E | 29 | 1000 | TD |
| 2026-08-24 00Z | 15.2°N 137.2°E | 29 | 1001 | TD |
| 2026-08-24 06Z | 16.1°N 138.1°E | 29 | 1001 | TD |
| 2026-08-24 12Z | 16.7°N 138.3°E | 29 | 1001 | TD |
| 2026-08-24 18Z | 18.3°N 138.3°E | 29 | 1004 | TD |
| 2026-08-25 00Z | 19.2°N 138.2°E | 29 | 1004 | TD |
| 2026-08-25 06Z | 20.6°N 137.3°E | 25 | 1006 | TD |
| 2026-08-25 12Z | 21.1°N 136.3°E | 19 | 1007 | TD |
| 2026-08-25 18Z | 22.8°N 135.5°E | 19 | 1007 | TD |