2023 tropical cyclone season · western North Pacific
Typhoon Bolaven Bolaven · WP152023
Typhoon Bolaven was tracked in the western North Pacific from 2023-10-06 to 2023-10-16 (11 days), peaking at 165 kt (H5) with a minimum pressure of 897 hPa. 138 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 112 km off on average.
- ATCF ID
- WP152023
- Basin
- western North Pacific
- Tracked
- 2023-10-06 → 2023-10-16 (11 days)
- Peak wind
- 165 kt · 85 m/s · H5
- Minimum pressure
- 897 hPa
- Archived forecasts
- 138
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 57 (25) | 118 (21) | 186 (17) | 288 (5) |
| ECMWF ENS | 60 (25) | 112 (21) | 174 (17) | 392 (9) |
| GFS | 79 (25) | 164 (21) | 240 (17) | 613 (9) |
| GEFS | 75 (25) | 146 (21) | 197 (17) | 485 (9) |
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 |
|---|---|---|---|---|
| 2023-10-06 00Z | 8.0°N 156.5°E | 15 | 1008 | TD |
| 2023-10-06 06Z | 8.4°N 156.3°E | 20 | 1007 | TD |
| 2023-10-06 12Z | 8.8°N 156.0°E | 20 | 1007 | TD |
| 2023-10-06 18Z | 9.0°N 155.5°E | 20 | 1006 | TD |
| 2023-10-07 00Z | 9.1°N 155.0°E | 25 | 1003 | TD |
| 2023-10-07 06Z | 9.2°N 154.4°E | 30 | 1002 | TD |
| 2023-10-07 12Z | 9.4°N 154.0°E | 30 | 1002 | TD |
| 2023-10-07 18Z | 9.4°N 153.5°E | 35 | 1000 | TS |
| 2023-10-08 00Z | 9.4°N 153.0°E | 35 | 1000 | TS |
| 2023-10-08 06Z | 9.8°N 152.7°E | 40 | 998 | TS |
| 2023-10-08 12Z | 10.2°N 152.3°E | 45 | 998 | TS |
| 2023-10-08 18Z | 10.7°N 151.5°E | 50 | 993 | TS |
| 2023-10-09 00Z | 11.0°N 150.5°E | 55 | 992 | TS |
| 2023-10-09 06Z | 11.3°N 149.5°E | 55 | 993 | TS |
| 2023-10-09 12Z | 11.9°N 148.5°E | 60 | 990 | TS |
| 2023-10-09 18Z | 13.0°N 147.5°E | 60 | 988 | TS |
| 2023-10-10 00Z | 13.7°N 146.5°E | 70 | 990 | H1 |
| 2023-10-10 06Z | 14.3°N 145.6°E | 70 | 982 | H1 |
| 2023-10-10 12Z | 15.2°N 145.0°E | 80 | 975 | H1 |
| 2023-10-10 18Z | 16.0°N 144.5°E | 100 | 959 | H3 |
| 2023-10-11 00Z | 17.1°N 144.0°E | 135 | 926 | H4 |
| 2023-10-11 06Z | 18.2°N 143.4°E | 145 | 916 | H5 |
| 2023-10-11 12Z | 18.9°N 143.0°E | 155 | 904 | H5 |
| 2023-10-11 18Z | 19.7°N 142.9°E | 165 | 897 | H5 |
| 2023-10-12 00Z | 20.6°N 143.0°E | 155 | 900 | H5 |
| 2023-10-12 06Z | 21.8°N 143.4°E | 155 | 904 | H5 |
| 2023-10-12 12Z | 22.8°N 144.3°E | 145 | 909 | H5 |
| 2023-10-12 18Z | 24.1°N 145.4°E | 140 | 909 | H5 |
| 2023-10-13 00Z | 25.6°N 146.9°E | 125 | 926 | H4 |
| 2023-10-13 06Z | 27.1°N 148.6°E | 105 | 946 | H3 |
| 2023-10-13 12Z | 29.5°N 150.7°E | 95 | 949 | H2 |
| 2023-10-13 18Z | 31.2°N 153.2°E | 90 | 950 | H2 |
| 2023-10-14 00Z | 34.3°N 156.3°E | 80 | 964 | H1 |
| 2023-10-14 06Z | 37.0°N 160.2°E | 70 | 968 | H1 |
| 2023-10-14 12Z | 40.7°N 165.0°E | 65 | 971 | H1 |
| 2023-10-14 18Z | 42.4°N 167.8°E | 55 | 968 | TS |