Abstract This study compared estimates of gale-force wind radii (R30 or R34) and storm-force (R50) tropical cyclones (TC) by three agencies—the Korea Meteorological Administration (KMA), the Regional Specialized Center (RSMC) Tokyo, Joint Typhoon Warning (JTWC)—in western North Pacific during 2015–2018 investigated characteristics these estimates. The results showed that KMA’s R30 R50 were smal...

Abstract Relative contributions to the zonal mean meridional heat transport by climatological annual mean, variation, synoptic, intra‐seasonal and lower‐frequency motions were examined based on ERA‐Interim reanalysis data for period of 1981–2015. The analysed in this study only includes component related wind temperature. In tropics, circulations dominate long‐term transport, while interaction ...

Abstract Although the cold wake of tropical cyclones (TCs) is recognized to be typically rightward biased relative TC track (in North Hemisphere), it remains unclear what extent bias should for specified TCs. Based on numerical simulations and observational statistics, this study shows that distance closely related latitude, translation speed radius maximum wind (RMW) a TC, but independent from...

The specific objectives of the current effort are: 1. To continue our study of the dynamical processes in tropical cyclones responsible for looping or erratic motion; 2. To continue the development of methods for (a) the introduction of synthetic tropical-cyclone-scale vortices in operational forecast models and (b) ensemble forecasting of tropical cyclones; 3. To continue a sensitivity study o...

Tropical cyclones have been hypothesized to influence climate by pumping heat into the ocean, but a direct measure of this warming effect is still lacking. We quantified cyclone-induced ocean warming by directly monitoring the thermal expansion of water in the wake of cyclones, using satellite-based sea surface height data that provide a unique way of tracking the changes in ocean heat content ...

Tropical cyclone wind-intensity prediction is a challenging task considering drastic changes climate patterns over the last few decades. In order to develop robust prediction models, one needs to consider different characteristics of cyclones in terms of spatial and temporal characteristics. Transfer learning incorporates knowledge from a related source dataset to compliment a target datasets e...

Correlations between geophysical parameters and tropical cyclones are essential in understanding and predicting the formation of tropical cyclones. Previous studies show that sea surface temperature and vertical wind shear significantly influence the formation and frequent changes of tropical cyclones. This paper presents the utilization of a new approach, data mining, to discover the collectiv...

Previous studies have indicated that recurving western North Pacific tropical cyclones, initially westward moving tropical cyclones that turn toward the east, often reach their maximum intensity close to the time of recurvature. Those results have often been cited in the literature and sometimes inferred to be valid in other tropical cyclone basins. This study revisits this topic in the western...

Rain gauge data, satellite IR brightness temperature and radar-estimated rain rate for five tropical cyclones from the 2005–06 to 2009–10 seasons that made landfall along the northwestern coast of Australia are analysed. It is the first time that the spatial rainfall distribution of landfalling tropical cyclones in the southern hemisphere has been systematically investigated. It is found that t...