2026 tropical cyclone season · Southern Hemisphere

Cyclone Unnamed SH01 SH01 · SH012026

Cyclone Unnamed SH01 was tracked in the Southern Hemisphere from 2025-07-14 to 2025-07-20 (6 days), peaking at 35 kt (TS) with a minimum pressure of 1002 hPa. 44 archived forecasts from ECMWF, ECMWF ENS are verified against its best track; at 48 hours the closest was ECMWF, 158 km off on average.

Open the interactive storm map →

ATCF ID
SH012026
Basin
Southern Hemisphere
Tracked
2025-07-14 → 2025-07-20 (6 days)
Peak wind
35 kt · 18 m/s · TS
Minimum pressure
1002 hPa
Archived forecasts
44
Sources
ECMWF · ECMWF ENS
TDTSH1H2H3H4H5

Forecast track error (km)

Source24 h48 h72 h120 h
ECMWF158 (5)158 (4)——
ECMWF ENS123 (8)169 (4)——

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
2025-07-16 18Z9.8°S 89.8°E351003TS
2025-07-17 00Z9.8°S 89.5°E351003TS
2025-07-17 06Z9.9°S 88.8°E351003TS
2025-07-17 12Z10.1°S 88.1°E351003TS
2025-07-17 18Z10.3°S 87.6°E351003TS
2025-07-18 00Z11.2°S 87.0°E351003TS
2025-07-18 06Z11.8°S 85.4°E351002TS
2025-07-18 12Z12.2°S 84.3°E351002TS
2025-07-18 18Z12.2°S 82.5°E291003TD
2025-07-19 00Z12.2°S 81.8°E291003TD
2025-07-19 06Z13.0°S 81.5°E291005TD
2025-07-19 12Z14.2°S 81.8°E291004TD