2023 tropical cyclone season · North Indian Ocean
Cyclone Mocha Mocha · IO012023
Cyclone Mocha was tracked in the North Indian Ocean from 2023-05-08 to 2023-05-15 (6 days), peaking at 145 kt (H5) with a minimum pressure of 908 hPa. 86 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF, 124 km off on average.
- ATCF ID
- IO012023
- Basin
- North Indian Ocean
- Tracked
- 2023-05-08 → 2023-05-15 (6 days)
- Peak wind
- 145 kt · 75 m/s · H5
- Minimum pressure
- 908 hPa
- Archived forecasts
- 86
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 83 (12) | 124 (8) | 218 (4) | — |
| ECMWF ENS | 91 (21) | 160 (17) | 227 (13) | 215 (4) |
| GFS | 76 (12) | 137 (8) | 268 (4) | — |
| GEFS | 76 (12) | 144 (8) | 196 (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 |
|---|---|---|---|---|
| 2023-05-08 18Z | 7.7°N 91.4°E | 25 | 1004 | TD |
| 2023-05-09 00Z | 7.6°N 90.7°E | 25 | 1004 | TD |
| 2023-05-09 06Z | 7.6°N 89.6°E | 25 | 1004 | TD |
| 2023-05-09 12Z | 7.8°N 89.2°E | 25 | 1002 | TD |
| 2023-05-09 18Z | 8.1°N 89.0°E | 25 | 1001 | TD |
| 2023-05-10 00Z | 8.4°N 88.9°E | 30 | 991 | TD |
| 2023-05-10 06Z | 9.4°N 88.2°E | 30 | 1001 | TD |
| 2023-05-10 12Z | 10.1°N 88.3°E | 30 | 994 | TD |
| 2023-05-10 18Z | 10.7°N 88.4°E | 30 | 994 | TD |
| 2023-05-11 00Z | 11.1°N 88.2°E | 35 | 992 | TS |
| 2023-05-11 06Z | 11.5°N 88.1°E | 45 | 995 | TS |
| 2023-05-11 12Z | 12.0°N 88.1°E | 55 | 988 | TS |
| 2023-05-11 18Z | 12.8°N 88.1°E | 60 | 984 | TS |
| 2023-05-12 00Z | 13.4°N 88.2°E | 65 | 982 | H1 |
| 2023-05-12 06Z | 14.0°N 88.3°E | 80 | 970 | H1 |
| 2023-05-12 12Z | 14.5°N 88.5°E | 95 | 957 | H2 |
| 2023-05-12 18Z | 14.9°N 88.9°E | 105 | 950 | H3 |
| 2023-05-13 00Z | 15.3°N 89.2°E | 110 | 945 | H3 |
| 2023-05-13 06Z | 16.0°N 89.9°E | 115 | 939 | H4 |
| 2023-05-13 12Z | 16.9°N 90.7°E | 135 | 917 | H4 |
| 2023-05-13 18Z | 17.9°N 91.3°E | 140 | 916 | H5 |
| 2023-05-14 00Z | 18.7°N 91.9°E | 145 | 908 | H5 |
| 2023-05-14 06Z | 19.9°N 92.6°E | 130 | 923 | H4 |
| 2023-05-14 12Z | 21.0°N 93.3°E | 100 | 951 | H3 |
| 2023-05-14 18Z | 23.8°N 95.8°E | 45 | 992 | TS |
| 2023-05-15 00Z | 26.2°N 97.8°E | 20 | 1002 | TD |