2025 tropical cyclone season · North Indian Ocean
Cyclone Montha Montha · IO032025
Cyclone Montha was tracked in the North Indian Ocean from 2025-10-25 to 2025-10-29 (5 days), peaking at 45 kt (TS) with a minimum pressure of 995 hPa. 63 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 67 km off on average.
- ATCF ID
- IO032025
- Basin
- North Indian Ocean
- Tracked
- 2025-10-25 → 2025-10-29 (5 days)
- Peak wind
- 45 kt · 23 m/s · TS
- Minimum pressure
- 995 hPa
- Archived forecasts
- 63
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 51 (7) | 99 (3) | — | — |
| ECMWF ENS | 33 (7) | 67 (3) | — | — |
| GFS | 81 (7) | 158 (3) | — | — |
| GEFS | 68 (7) | 109 (3) | — | — |
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 |
|---|---|---|---|---|
| 2025-10-26 12Z | 11.3°N 86.1°E | 35 | 998 | TS |
| 2025-10-26 18Z | 11.3°N 85.4°E | 39 | 998 | TS |
| 2025-10-27 00Z | 12.5°N 85.3°E | 39 | 999 | TS |
| 2025-10-27 06Z | 12.7°N 84.3°E | 39 | 999 | TS |
| 2025-10-27 12Z | 13.3°N 84.0°E | 45 | 996 | TS |
| 2025-10-27 18Z | 14.2°N 83.5°E | 45 | 995 | TS |
| 2025-10-28 00Z | 14.5°N 83.1°E | 45 | 997 | TS |
| 2025-10-28 06Z | 15.2°N 82.6°E | 45 | 997 | TS |
| 2025-10-28 12Z | 15.9°N 82.1°E | 45 | 995 | TS |
| 2025-10-28 18Z | 16.0°N 81.3°E | 39 | 998 | TS |
| 2025-10-29 00Z | 16.9°N 81.4°E | 35 | 1000 | TS |