Current Snapshot

The Pacific Disaster Center’s (PDC Global) Sunday, May 17, 2026, Tropical Cyclone Activity Report…for the Pacific Ocean, the Indian Ocean, and adjacent Seas

Current Tropical Cyclones:

There are no Tropical Cyclones

Northeast Pacific Ocean: There are no Tropical Cyclones

Tropical cyclone formation is not expected during the next 7 days.

Central Pacific Ocean: There are no Tropical Cyclones

Western Pacific, Indian Ocean, and adjacent Seas: There are no Tropical Cyclones 

Western Pacific

>>> There’s an area of disturbed weather being referred to as Invest 98W, which is located approximately 275 NM south-southeast of Kadena.

The system is currently classified as a subtropical disturbance, generally characterized as having both tropical and mid-latitude cyclone features.

Animated multi-spectral satellite imagery depicts a broad and highly elongated low-level circulation with flaring convection primarily confined to the far eastern periphery. 98W is situated underneath a sharp upper-level trough with the trough axis extending up toward Kyushu.

The strongest winds associated with the system are located within the northern portion of the circulation with surface observations from Kadena afb reporting sustained winds of 15-20 kts from the northeast.

Environmental analysis depicts an unfavorable environment for development with dry air entrainment, moderate poleward upper-level outflow, high vertical wind shear (25-30 kts), and warm sea surface temperatures (27-28 c).

Global deterministic and ensemble models depict 98W tracking north-northwestward, toward the central and northern Ryukyu Islands over the next 24-48 hours. Models agree on little development of the system as the trough propagates eastward and induces significant northerly shear over the system.

Maximum sustained surface winds are estimated at 23 to 28 knots.

The potential for the development of a significant tropical cyclone within the next 24 hours remains low.