Tropical Cyclone 05S (Darian) / Invest 91P
Friday, December 30, 2022

Current Snapshot

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By PDC’s Senior Weather
Specialist Glenn James

Current Tropical Cyclones:

Tropical Cyclone 05S (Darian)…is located approximately 854 NM southeast of Mauritius – Final Warning


Northwest and Southwest Pacific Ocean, North and South Indian Oceans, and Arabian Sea:

South Indian Ocean

Tropical Cyclone 05S (Darian) – Final Warning

According to JTWC Warning number 28, sustained winds were 40 knots, with gusts to 50 knots.

Animated multi-spectral satellite imagery depicts an exposed, broad low-level circulation with cold-air stratocumulus wrapping into the center and isolated deep convection flaring to the south-southeast.

A microwave image indicates shallow banding wrapping tightly into a ragged center with extensive dry air present over the system.

Based on the available data, 05S is currently assessed as a subtropical cyclone but is expected to transition into an extra-tropical cyclone over the next 36 to 48 hours as it accelerates into the mid-latitude westerlies.


SW Pacific Ocean

>>> There’s an area of disturbed weather, being referred to as Invest 91P…which is located approximately 173 NM southeast of Noumea, New Caledonia

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

Animated multi-spectral satellite imagery depicts a very broad low-level circulation with isolated convection flaring over the southern quadrant.

Invest 91P is located under a northerly subtropical jet stream with 40-50 knots of vertical wind shear.

Global models indicate a meandering southward track with persistent unfavorable conditions.

Maximum sustained surface winds are estimated at 30 to 35 knots.

The potential for the development remains low.