2025 tropical cyclone season · western North Pacific

Typhoon Bualoi Bualoi · WP262025

Typhoon Bualoi was tracked in the western North Pacific from 2025-09-22 to 2025-09-30 (8 days), peaking at 80 kt (H1) with a minimum pressure of 970 hPa. 105 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was GEFS, 110 km off on average.

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ATCF ID
WP262025
Basin
western North Pacific
Tracked
2025-09-22 → 2025-09-30 (8 days)
Peak wind
80 kt · 41 m/s · H1
Minimum pressure
970 hPa
Archived forecasts
105
Sources
ECMWF · ECMWF ENS · GFS · GEFS
TDTSH1H2H3H4H5

Forecast track error (km)

Source24 h48 h72 h120 h
ECMWF71 (18)154 (14)164 (9)337 (1)
ECMWF ENS63 (18)113 (14)188 (10)206 (2)
GFS80 (18)121 (14)156 (10)101 (2)
GEFS73 (18)110 (14)142 (10)150 (2)

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
2025-09-23 12Z9.9°N 134.4°E251003TD
2025-09-23 18Z9.5°N 133.7°E291002TD
2025-09-24 00Z9.5°N 133.0°E39997TS
2025-09-24 06Z10.0°N 131.8°E45997TS
2025-09-24 12Z10.4°N 131.0°E51994TS
2025-09-24 18Z10.7°N 130.1°E54991TS
2025-09-25 00Z11.2°N 129.2°E54991TS
2025-09-25 06Z11.3°N 128.1°E54991TS
2025-09-25 12Z12.0°N 126.8°E54993TS
2025-09-25 18Z12.1°N 125.5°E54993TS
2025-09-26 00Z12.3°N 123.3°E60991TS
2025-09-26 06Z12.7°N 120.6°E60992TS
2025-09-26 12Z13.1°N 119.2°E60990TS
2025-09-26 18Z13.8°N 117.3°E70984H1
2025-09-27 00Z14.8°N 115.1°E74982H1
2025-09-27 06Z15.2°N 113.8°E74981H1
2025-09-27 12Z15.8°N 112.1°E74980H1
2025-09-27 18Z15.8°N 110.6°E64986H1
2025-09-28 00Z16.4°N 109.4°E70982H1
2025-09-28 06Z17.0°N 108.1°E70980H1
2025-09-28 12Z17.7°N 107.1°E70977H1
2025-09-28 18Z18.2°N 106.2°E80970H1