North Indian Ocean – Invest 91B
Thursday, March 17, 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 91B…which is located approximately 462 NM west-southwest of Phuket, Thailand

According to the JTWC…satellite imagery shows deep and disorganized convection with little to no sign of a discernible low level circulation.

Environmental analysis reveals marginally favorable conditions for development with robust outflow aloft and warm sea surface temperatures, offset by high (25-30 knot) vertical wind shear.

Global models are in good agreement that invest 91B will have slow development as it tracks northward over the next 24-48 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 remains low.