South China Sea – Invest 91W
Thursday, January 27, 2022

Current Snapshot

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By PDC’s Senior Weather
Specialist Glenn James

There’s a tropical disturbance being referred to as Invest 91W…which is located approximately 281 NM west-northwest of Puerto Princesa, Philippines

According to the JTWC, satellite imagery depict sheared convection displaced to the northeast of a diminishing low level circulation.

Upper-level conditions are marginally-favorable with moderate (20 knot) vertical wind shear, fair poleward outflow and warm sea surface temperatures.

Global models indicate no significant development as the system tracks slowly poleward.

Maximum sustained surface winds are estimated at 10 to 15 knots.

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