Current Snapshot
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By PDC’s Senior Weather
Specialist Glenn James

The Pacific Disaster Center’s (PDC Global) Monday, January 20, 2025, Tropical Cyclone Activity Report…for the Pacific Ocean, the Indian Ocean, and adjacent Seas
Current Tropical Cyclones:
Tropical Cyclone 10S (Sean) is located approximately 291 NM west-southwest of Learmonth, Australia
Northeast Pacific Ocean: There are no Tropical Cyclones
The last regularly scheduled Tropical Cyclone Activity Report of the 2024 eastern North Pacific Hurricane Season has been issued. Routine issuance of this section of the PDC product will resume on May 15, 2025. During the off-season, Special Tropical Weather Outlooks will be issued as conditions warrant by the NHC.
Central Pacific Ocean: There are no Tropical Cyclones
The 2024 central North Pacific hurricane season has ended. As such, the final routine Tropical Cyclone Activity Report for the 2024 season has been issued. Routine issuance of this section of the PDC product will resume on June 1, 2025. During the off-season, Special Tropical Weather Outlooks will be issued as conditions warrant by the CPHC.
Western Pacific, Indian Ocean, and adjacent Seas:
South Indian Ocean
Tropical Cyclone 10S (Sean)
According to the JTWC Warning number 13, sustained winds are 95 knots, with gusts to near 115 knots
Animated enhanced infrared satellite imagery shows the system has mostly maintained its convective signature over the last six hours with its compact cold central cover that also maintained a secondary eyewall around its 9-nm pinhole eye.
Analysis indicates a favorable environment with strong radial outflow and low vertical wind shear slightly offset by cooling sea surface temperatures.
TC Sean will continue to track southwestward then southward around the northwestern then western periphery of the steering str.
The environment will become unfavorable resulting in a gradual erosion with an eyewall replacement cycle expected to commence. This, plus the continued cooling sea surface temperatures, increasing vertical wind shear and, eventually, dry air intrusion will lead to dissipation by 96 hours.