2023 tropical cyclone season · North Indian Ocean
Cyclone Biparjoy Biparjoy · IO022023
Cyclone Biparjoy was tracked in the North Indian Ocean from 2023-06-05 to 2023-06-19 (14 days), peaking at 105 kt (H3) with a minimum pressure of 945 hPa. 90 archived forecasts from ECMWF, ECMWF ENS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 77 km off on average.
- ATCF ID
- IO022023
- Basin
- North Indian Ocean
- Tracked
- 2023-06-05 → 2023-06-19 (14 days)
- Peak wind
- 105 kt · 54 m/s · H3
- Minimum pressure
- 945 hPa
- Archived forecasts
- 90
- Sources
- ECMWF · ECMWF ENS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 55 (40) | 80 (36) | 109 (32) | 174 (11) |
| ECMWF ENS | 59 (40) | 77 (36) | 104 (32) | 152 (24) |
| GEFS | 45 (1) | 212 (1) | 419 (1) | — |
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 |
|---|---|---|---|---|
| 2023-06-05 00Z | 10.3°N 66.7°E | 25 | 1004 | TD |
| 2023-06-05 06Z | 10.7°N 66.5°E | 25 | 1004 | TD |
| 2023-06-05 12Z | 11.0°N 66.3°E | 25 | 995 | TD |
| 2023-06-05 18Z | 11.4°N 66.1°E | 30 | 994 | TD |
| 2023-06-06 00Z | 11.6°N 66.0°E | 40 | 993 | TS |
| 2023-06-06 06Z | 11.9°N 65.9°E | 55 | 992 | TS |
| 2023-06-06 12Z | 12.2°N 66.0°E | 75 | 982 | H1 |
| 2023-06-06 18Z | 12.4°N 66.2°E | 80 | 979 | H1 |
| 2023-06-07 00Z | 12.6°N 66.5°E | 85 | 976 | H2 |
| 2023-06-07 06Z | 13.1°N 66.4°E | 80 | 973 | H1 |
| 2023-06-07 12Z | 13.3°N 66.2°E | 85 | 970 | H2 |
| 2023-06-07 18Z | 13.5°N 66.1°E | 80 | 973 | H1 |
| 2023-06-08 00Z | 13.7°N 66.1°E | 75 | 974 | H1 |
| 2023-06-08 06Z | 13.9°N 66.0°E | 75 | 976 | H1 |
| 2023-06-08 12Z | 14.2°N 66.0°E | 75 | 976 | H1 |
| 2023-06-08 18Z | 14.5°N 66.2°E | 70 | 979 | H1 |
| 2023-06-09 00Z | 14.8°N 66.4°E | 65 | 983 | H1 |
| 2023-06-09 06Z | 15.0°N 66.9°E | 60 | 986 | TS |
| 2023-06-09 12Z | 15.7°N 67.3°E | 65 | 984 | H1 |
| 2023-06-09 18Z | 16.3°N 67.4°E | 70 | 976 | H1 |
| 2023-06-10 00Z | 16.4°N 67.3°E | 95 | 958 | H2 |
| 2023-06-10 06Z | 16.6°N 67.2°E | 100 | 953 | H3 |
| 2023-06-10 12Z | 17.2°N 67.3°E | 105 | 945 | H3 |
| 2023-06-10 18Z | 17.6°N 67.4°E | 100 | 951 | H3 |
| 2023-06-11 00Z | 17.8°N 67.7°E | 95 | 950 | H2 |
| 2023-06-11 06Z | 18.3°N 67.8°E | 90 | 953 | H2 |
| 2023-06-11 12Z | 18.7°N 67.9°E | 90 | 954 | H2 |
| 2023-06-11 18Z | 19.0°N 67.8°E | 85 | 956 | H2 |
| 2023-06-12 00Z | 19.2°N 67.7°E | 80 | 959 | H1 |
| 2023-06-12 06Z | 19.7°N 67.3°E | 90 | 955 | H2 |
| 2023-06-12 12Z | 19.9°N 67.2°E | 90 | 955 | H2 |
| 2023-06-12 18Z | 20.3°N 67.2°E | 85 | 959 | H2 |
| 2023-06-13 00Z | 20.7°N 67.0°E | 85 | 961 | H2 |
| 2023-06-13 06Z | 20.9°N 66.8°E | 90 | 954 | H2 |
| 2023-06-13 12Z | 21.1°N 66.4°E | 95 | 945 | H2 |
| 2023-06-13 18Z | 21.2°N 66.4°E | 85 | 955 | H2 |
| 2023-06-14 00Z | 21.3°N 66.3°E | 85 | 955 | H2 |
| 2023-06-14 06Z | 21.4°N 66.5°E | 80 | 960 | H1 |
| 2023-06-14 12Z | 21.8°N 66.7°E | 70 | 964 | H1 |
| 2023-06-14 18Z | 22.2°N 66.7°E | 60 | 974 | TS |
| 2023-06-15 00Z | 22.3°N 66.9°E | 55 | 976 | TS |
| 2023-06-15 06Z | 22.5°N 67.3°E | 55 | 975 | TS |
| 2023-06-15 12Z | 22.8°N 68.2°E | 55 | 976 | TS |
| 2023-06-15 18Z | 23.3°N 68.6°E | 50 | 980 | TS |
| 2023-06-16 00Z | 23.5°N 69.0°E | 45 | 983 | TS |
| 2023-06-16 06Z | 23.6°N 69.6°E | 45 | 982 | TS |
| 2023-06-16 12Z | 24.2°N 70.4°E | 40 | 985 | TS |
| 2023-06-16 18Z | 24.7°N 70.8°E | 35 | 987 | TS |
| 2023-06-17 00Z | 25.1°N 71.1°E | 30 | 991 | TD |