Invest 98W
Sunday, June 4, 2023

Current Snapshot

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By PDC’s Senior Weather
Specialist Glenn James

Current Tropical Cyclones:

There are no active tropical cyclones

 

Northeast Pacific Ocean:

There are no tropical cyclones…nor any areas of disturbed weather under investigation by the National Hurricane Center (NHC)

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

 

North Central Pacific Ocean:

There are no tropical cyclones…nor any areas of disturbed weather under investigation by the Central Pacific Hurricane Center (CPHC)

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

 

Northwestern Pacific Ocean

>>> There’s an area of disturbed weather being referred to as Invest 98W, which is located approximately 97 NM north-northwest of Yap

Enhanced infrared satellite imagery depicts an elongated low-level circulation (llc) with deep flaring convection building along the eastern semi-circle. A microwave pass further reveals an improved convective structure characterized by formative banding in the eastern periphery.

Invest 98W is in a favorable environment for development, defined by robust poleward outflow and low (5-10 knot) vertical wind shear. Sea surface temperatures remain conducive.

Deterministic and ensemble models are in agreement that invest 98W will have gradual development as it meanders poleward over the next 48 hours.

Maximum sustained surface winds are estimated at 15 to 20 knots.

The potential for the development of a significant tropical cyclone within the next 24 hours is upgraded to medium.