2026 tropical cyclone season · Southern Hemisphere

Cyclone Jenna Jenna · SH122026

Cyclone Jenna was tracked in the Southern Hemisphere from 2026-01-03 to 2026-01-09 (7 days), peaking at 89 kt (H2) with a minimum pressure of 968 hPa. 60 archived forecasts from ECMWF, ECMWF ENS are verified against its best track; at 48 hours the closest was ECMWF ENS, 76 km off on average.

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ATCF ID
SH122026
Basin
Southern Hemisphere
Tracked
2026-01-03 → 2026-01-09 (7 days)
Peak wind
89 kt · 46 m/s · H2
Minimum pressure
968 hPa
Archived forecasts
60
Sources
ECMWF · ECMWF ENS
TDTSH1H2H3H4H5

Forecast track error (km)

Source24 h48 h72 h120 h
ECMWF60 (2)15 (1)64 (1)—
ECMWF ENS41 (16)76 (12)102 (8)—

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
2026-01-04 18Z9.7°S 96.9°E391001TS
2026-01-05 00Z10.7°S 97.6°E391001TS
2026-01-05 06Z12.2°S 97.1°E451000TS
2026-01-05 12Z13.5°S 96.7°E45998TS
2026-01-05 18Z14.4°S 96.1°E60990TS
2026-01-06 00Z15.3°S 95.5°E74980H1
2026-01-06 06Z15.7°S 94.8°E89969H2
2026-01-06 12Z16.3°S 94.1°E89968H2
2026-01-06 18Z16.7°S 93.6°E80976H1
2026-01-07 00Z17.1°S 93.1°E70983H1
2026-01-07 06Z18.0°S 92.2°E60990TS
2026-01-07 12Z18.3°S 91.8°E54991TS
2026-01-07 18Z18.6°S 91.2°E51993TS
2026-01-08 00Z18.5°S 91.0°E45995TS
2026-01-08 06Z18.2°S 90.3°E45997TS
2026-01-08 12Z17.8°S 89.3°E39998TS
2026-01-08 18Z17.8°S 88.6°E351000TS
2026-01-09 00Z17.5°S 87.8°E321001TD
2026-01-09 06Z17.2°S 86.8°E291002TD
2026-01-09 12Z17.3°S 85.5°E291002TD