Shear and Monsoon Dynamics Quickly Dismantle Tropical Cyclone 24P

---

Written by Aaron Studwell, Ph.D., Energy Meteorologist & Analyst for IIR News Intelligence (Sugar Land, Texas)

---

Summary

Tropical Cyclone 24P weakened rapidly east of northern Queensland after strong wind shear disrupted its structure. The storm reverted to a tropical low, though the remnants may still bring heavy rainfall to parts of far north Queensland.

---

Overnight, Tropical Cyclone 24P, designated 29U by the Australian Bureau of Meteorology, rapidly weakened east of northern Queensland. This development offers a clear example of how quickly conditions can betray a tropical system. The cyclone had briefly reached tropical storm strength, but deteriorated quickly as stronger upper-level winds disrupted its structure.

Satellite imagery late Wednesday into Thursday showed thunderstorms that had once wrapped around the storm's center being pushed well to the west. This left the low-level circulation exposed and poorly organized. When the thunderstorms move away from the center like this, the storm can no longer maintain the tight structure needed to sustain a tropical cyclone.



By early Thursday, the Joint Typhoon Warning Center determined that the system had weakened enough to no longer qualify as a tropical cyclone and issued their final warning.

Although the cyclone threat has ended, the remnant low may still bring impacts to northern Queensland. The circulation is drifting generally west-southwest toward the coast and could produce periods of heavy rain across parts of Far North Queensland in the coming days.

Several factors contributed to the storm's rapid collapse. Strong vertical wind shear over the Coral Sea pushed the storm's thunderstorms away from its center. At the same time, the system was embedded in a broad monsoon trough. Along this trough axis, several other disturbances were organizing across northern Australia and nearby waters. With multiple systems competing for energy, it became difficult for any one circulation to fully organize.

The storm's relatively small size also made it vulnerable. Smaller tropical systems can strengthen quickly when conditions are favorable, but they can also weaken just as quickly when the environment becomes hostile.

The rapid rise and fall of Tropical Cyclone 24P highlights how delicate tropical cyclone development can be during Australia's late wet season. Even with warm ocean waters and an active monsoon pattern, unfavorable upper-level winds can quickly dismantle a developing storm.

Key Takeaways

• Tropical Cyclone 24P weakened quickly after upper-level wind shear displaced its thunderstorms.
• The Joint Typhoon Warning Center issued its final advisory as the storm degraded into a tropical low.
• The remnant circulation may still produce heavy rainfall across parts of northern Queensland.
• The storm's rapid collapse highlights how unstable tropical development can be within an active monsoon trough.

---

About IIR News Intelligence
IIR News Intelligence is a trusted source of news for the industrial process and energy markets, powered by Industrial Info Resources' Global Market Intelligence (GMI).

About Industrial Info Resources
Industrial Info Resources (IIR) is the leading provider of industrial market intelligence. Since 1983, IIR has provided comprehensive research, news and analysis on the industrial process, manufacturing and energy related industries. IIR's Global Market Intelligence (GMI) helps companies identify and pursue trends across multiple markets with access to real, qualified and validated plant and project opportunities. Across the world, IIR is tracking over 250,000 current and future projects worth $30.2 Trillion (USD).

---