Comparison of Controlling Parameters for Near-Equatorial Tropical Cyclone Formation between Western North Pacific and North Atlantic

Lu, Changhao; Ge, Xiaojia; Peng, Melinda S.

doi:10.1007/s13351-021-0208-x

Cited by 3 publications

(1 citation statement)

References 43 publications

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“…However, Indonesia and Timor are rarely influenced by the landfalling TCs. The islands are generally TC-impact-free region 17 . According to the Agency for Meteorology, Climatology, and Geophysics of the Republic of Indonesia (BMKG), within Jakarta Tropical Cyclone Warning Centre area of responsibility Indonesia has experienced ten Tropical Cyclones since 2008.…”

Section: Introductionmentioning

confidence: 99%

The role of tropical waves in the genesis of Tropical Cyclone Seroja in the Maritime Continent

Latos

Peyrillé²,

Lefort³

et al. 2023

Nat Commun

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Tropical cyclone Seroja was one of the first tropical cyclones to significantly impact Indonesian land, and the strongest one in such close proximity to Timor Island. In April 2021 Seroja brought historic flooding to near-equatorial regions of Indonesia and East Timor, as well as impacting Western Australia. Here we show that the unusual near-equatorial cyclogenesis in close proximity to a land mass was due to “perfect storm” conditions associated with multiple wave interactions. Specifically, this was associated with enhanced equatorial convection on the leading edge of a Madden–Julian Oscillation (MJO) event. Within the MJO, the interaction between a convectively coupled equatorial Rossby wave and two convectively coupled Kelvin waves span up the initial vortex and accelerated cyclogenesis. On average, such favorable atmospheric conditions can occur once per year. These results indicate the potential for increased predictability of tropical cyclones over the Maritime Continent.

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Section: Introductionmentioning

confidence: 99%