01-05 December 2025
INCOIS, Hyderabad, India.
| Abstract Submission No. | ABS-04-0269 |
| Title of Abstract | Identifying the relationship between Tropical Easterly Jet and Tropical Cyclones using Reanalysis data sets and CMIP6 models P P Karthika1, M. Roja Raman1 1Centre for Remote Sensing and Geoinformatics, Sathyabama Institute of Science and Technology, Chennai ⿿ 600119, Tamil Nadu, India. Correspondence:ramansvu@gmail.com |
| Authors | Ms. Karthika P P*, Dr. M. Roja Raman |
| Organisation | Sathyabama Institute of Science and Technology |
| Address | Sathyabama Institute of Science and Technology Chennai, Tamil Nadu, India Pincode: 600119 E-mail: karthikapp8888@gmail.com |
| Country | India |
| Presentation | Poster |
| Abstract | Indian Summer Monsoon (ISM) consists of several elements that are inter-linked. Any change in one element will reflect on the other and finally on the rainfall characteristics. Tropical Easterly Jet is one of the elements that directly affects Indian Summer monsoon. Tropical easterly jet is the strong easterly flow which is seen at about 15-16 km in the upper troposphere having speeds <-30m/s. This easterly jet occurs due to the differential heating between Tibetan plateau and the Indian Ocean. Strong easterlies in the upper level and westerlies in the lower level induces strong vertical shear. Vertical shear of TEJ over B.O.B exhibit a clear annual cycle. Shear associated with TEJ and its relationship with the occurrence of tropical cyclones is investigated using ERA5 reanalysis datasets for the period from 1959 to 2023. Tropical cyclones over B.O.B for the same period are used for study. This study reveals a negative relationship between Tropical cyclone occurrence and TEJ intensity. These changes can be attributed to global warming which results in increase in the tropospheric temperatures. Further, CMIP6 models are used to study the future projections of TEJ and possible TC occurrence. This study focuses to find out the relationship between TEJ/TCS in the present decade and explores its future projection. |
| Are you part of IIOE-2 endorsed project | no |
| Keywords | Keywords: Indian Summer Monsoon, Tropical Easterly Jet, Tropical cyclone, Bay of Bengal, CMIP6. |
| For Awards | yes |
| Date Of Birth | 23-04-1993 |
| ECSN Registration Number | IIOE2-ECSN-0192 |