2025 tropical cyclone season · Southern Hemisphere

Cyclone Unnamed SH32 SH32 · SH322025

Cyclone Unnamed SH32 was tracked in the Southern Hemisphere from 2025-05-09 to 2025-05-12 (4 days), peaking at 35 kt (TS) with a minimum pressure of 1003 hPa. 43 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track.

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ATCF ID
SH322025
Basin
Southern Hemisphere
Tracked
2025-05-09 → 2025-05-12 (4 days)
Peak wind
35 kt · 18 m/s · TS
Minimum pressure
1003 hPa
Archived forecasts
43
Sources
ECMWF · ECMWF ENS · GFS · GEFS
TDTSH1H2H3H4H5

Forecast track error (km)

Source24 h48 h72 h120 h
ECMWF117 (2)———
ECMWF ENS69 (2)———
GFS88 (2)———
GEFS89 (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
2025-05-11 06Z9.1°S 138.3°E351003TS
2025-05-11 12Z9.3°S 138.5°E351003TS
2025-05-11 18Z9.0°S 137.9°E351003TS
2025-05-12 00Z9.0°S 137.8°E351004TS
2025-05-12 06Z8.1°S 137.2°E291004TD
2025-05-12 12Z7.9°S 137.0°E251007TD