2025 tropical cyclone season · western North Pacific

Typhoon Bailu Bailu · WP132025

Typhoon Bailu was tracked in the western North Pacific from 2025-07-30 to 2025-08-07 (8 days), peaking at 35 kt (TS) with a minimum pressure of 982 hPa. 102 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was GFS, 56 km off on average.

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ATCF ID
WP132025
Basin
western North Pacific
Tracked
2025-07-30 → 2025-08-07 (8 days)
Peak wind
35 kt · 18 m/s · TS
Minimum pressure
982 hPa
Archived forecasts
102
Sources
ECMWF · ECMWF ENS · GFS · GEFS
TDTSH1H2H3H4H5

Forecast track error (km)

Source24 h48 h72 h120 h
ECMWF57 (13)99 (9)129 (5)—
ECMWF ENS59 (13)93 (9)122 (5)—
GFS62 (13)56 (9)104 (5)—
GEFS62 (13)67 (9)100 (5)—

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)PositionWind (kt)Pressure (hPa)Grade
2025-08-02 00Z27.3°N 136.9°E25998TD
2025-08-02 06Z28.0°N 138.6°E29996TD
2025-08-02 12Z29.6°N 139.6°E29996TD
2025-08-02 18Z31.0°N 140.5°E35997TS
2025-08-03 00Z33.3°N 141.8°E35998TS
2025-08-03 06Z34.4°N 143.6°E35998TS
2025-08-03 12Z35.8°N 145.3°E35998TS
2025-08-03 18Z36.7°N 147.2°E35999TS
2025-08-04 00Z37.2°N 149.6°E35998TS
2025-08-04 06Z37.4°N 151.7°E29998TD
2025-08-04 12Z37.5°N 153.9°E29998TD
2025-08-04 18Z38.0°N 155.7°E29999TD
2025-08-05 00Z38.1°N 157.2°E29999TD
2025-08-05 06Z38.4°N 158.7°E29998TD
2025-08-05 12Z39.0°N 159.5°E27990TD
2025-08-05 18Z39.7°N 160.4°E25982TD
2025-08-06 00Z40.2°N 162.2°E25982TD