What question did this study set out to answer?

To confirm the physical mechanism of formation of tropical cyclones using ECMWF ERA5 reanalysis data.

May 13, 2026Bulletin of the Russian Academy of Sciences Physics0 citations

Confirmation of the Mechanism of Formation of Tropical Cyclones by ECMWF ERA5 Reanalysis Data

IMI. V. MingalevPolar Geophysical Institute VCV. M. ChechetkinKeldysh Institute of Applied Mathematics KOK. G. OrlovPolar Geophysical Institute

Key Points

To confirm the physical mechanism of formation of tropical cyclones using ECMWF ERA5 reanalysis data.
Compared reanalysis data with numerical modeling results
Focused on cyclones GONY and ATSANI from August 11 to 15, 2015
Analyzed formation over tropical seas
Reanalysis data supported the previously established formation mechanism
Confirmed cyclonic vortex formation process
Findings enhance understanding of tropical cyclone behavior

Abstract

The ECMWF ERA5 reanalysis data on the formation of a pair of tropical cyclones GONY and ATSANI in the western Pacific Ocean from August 11 to 15, 2015, are compared with previously obtained results of numerical modeling of cyclonic vortex formation over tropical seas. It is shown that the reanalysis data confirm the physical mechanism of formation of cyclonic vortices that was formulated in our previous works.

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