2025 tropical cyclone season · western North Pacific
Typhoon Kalmaegi Kalmaegi · WP312025
Typhoon Kalmaegi was tracked in the western North Pacific from 2025-10-31 to 2025-11-07 (7 days), peaking at 115 kt (H4) with a minimum pressure of 948 hPa. 103 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF, 74 km off on average.
- ATCF ID
- WP312025
- Basin
- western North Pacific
- Tracked
- 2025-10-31 → 2025-11-07 (7 days)
- Peak wind
- 115 kt · 59 m/s · H4
- Minimum pressure
- 948 hPa
- Archived forecasts
- 103
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 62 (18) | 74 (14) | 82 (10) | 279 (1) |
| ECMWF ENS | 68 (18) | 105 (14) | 139 (10) | 612 (2) |
| GFS | 78 (18) | 111 (14) | 150 (10) | 244 (2) |
| GEFS | 89 (18) | 163 (14) | 245 (10) | 469 (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 |
|---|---|---|---|---|
| 2025-11-01 06Z | 9.8°N 138.1°E | 25 | 1002 | TD |
| 2025-11-01 12Z | 10.2°N 137.2°E | 29 | 1001 | TD |
| 2025-11-01 18Z | 10.6°N 136.4°E | 39 | 1000 | TS |
| 2025-11-02 00Z | 10.8°N 135.1°E | 45 | 1000 | TS |
| 2025-11-02 06Z | 11.3°N 133.3°E | 51 | 994 | TS |
| 2025-11-02 12Z | 11.3°N 131.8°E | 54 | 993 | TS |
| 2025-11-02 18Z | 11.0°N 130.1°E | 60 | 993 | TS |
| 2025-11-03 00Z | 10.5°N 128.9°E | 70 | 985 | H1 |
| 2025-11-03 06Z | 10.4°N 127.7°E | 80 | 975 | H1 |
| 2025-11-03 12Z | 10.6°N 126.3°E | 89 | 968 | H2 |
| 2025-11-03 18Z | 11.1°N 124.4°E | 80 | 987 | H1 |
| 2025-11-04 00Z | 10.6°N 123.2°E | 70 | 987 | H1 |
| 2025-11-04 06Z | 10.4°N 121.8°E | 70 | 985 | H1 |
| 2025-11-04 12Z | 10.6°N 120.8°E | 70 | 984 | H1 |
| 2025-11-04 18Z | 10.9°N 119.9°E | 70 | 980 | H1 |
| 2025-11-05 00Z | 11.4°N 119.1°E | 74 | 980 | H1 |
| 2025-11-05 06Z | 12.1°N 117.1°E | 80 | 972 | H1 |
| 2025-11-05 12Z | 12.5°N 115.9°E | 89 | 970 | H2 |
| 2025-11-05 18Z | 13.2°N 114.3°E | 99 | 960 | H3 |
| 2025-11-06 00Z | 13.2°N 112.1°E | 115 | 948 | H4 |
| 2025-11-06 06Z | 13.3°N 110.6°E | 109 | 951 | H3 |
| 2025-11-06 12Z | 13.6°N 109.1°E | 99 | 960 | H3 |