Invest 97W / Invest 96S
Friday, January 13, 2023

Current Snapshot

For all the latest updates visit: DisasterAWARE

By PDC’s Senior Weather
Specialist Glenn James

Current Tropical Cyclones:

There are no tropical cyclones at the time of this writing

 

Northwest Pacific Ocean

>>> There’s an area of disturbed weather, being referred to as Invest 97W…which is located approximately 221 NM south-southeast of Legazpi, Philippines.

A microwave image and numerous surface observations depict a loosely organized, broad monsoon depression like system with 15-20 knot winds and centrally located convection aloft.

Environmental analysis reveals marginally favorable conditions for development with robust outflow and strong divergence aloft, low to moderate (15-20 knot) vertical wind shear, and warm sea surface temperatures.

Global models generally agree on the slow development of a monsoon depression that remains quasi-stationary over the next 24-48 hours. .

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

The potential for the development remains low.

South Indian Ocean

>>> There’s an area of disturbed weather, being referred to as Invest 96S…which is located approximately 496 NM east of Diego Garcia.

Enhanced infrared satellite imagery depicts a low-level circulation center (llcc) partially obscured by deep convection overhead. A microwave image reveals formative banding wrapping into a defined llcc. A partial pass reveals an elongated circulation with a swath of 20-25 knot winds in the southern quadrant.

Environmental conditions are marginally favorable with moderate outflow aloft and warm sea surface temperatures, offset by low to moderate (15-20 knot) northeasterly vertical wind shear.

Global models are in general agreement that invest 96S will remain quasi-stationary over the next 24-48 hours before meandering southwestward.

Maximum sustained surface winds are estimated at 22 to 27 knots.

The potential for the development is low.