A Novel Technique Could Help Detect Tropical Cyclones in The Bay of Bengal Basin Before Satellites

IIT Kharagpur scientists developed this potentially useful method for early detection of tropical cyclones.
Sheena

Updated: Jun 14, 2021 11:41:29 am

14 June 2021 Current Affairs:In the North Indian Ocean region, Indian scientists have discovered a new technique for detecting the development or strengthening of tropical cyclones in the atmospheric column prior to satellite detection over the ocean surface.

Highlights:
♦ The scientists' method aims to identify the first traces of pre-cyclonic eddy vortices in the atmospheric column and track their spatiotemporal evolution. 
♦ The initial atmospheric instability mechanism and vortex development are triggered at higher atmospheric levels prior to the formation of a cyclonic system over the warm oceanic environment.
♦ These cyclonic eddies are prominent features in the vertical atmospheric column surrounding the disturbance environment, with the potential to induce and develop into a well-marked cyclonic depression over the warm ocean surface, and could thus be used for cyclone detection and prediction.
♦ The researchers discovered that the method could generate prediction with a minimum of four days (90 h) lead time for cyclones formed during the pre- and post-monsoon seasons. 
♦ IIT Kharagpur scientists developed this potentially useful method for early detection of tropical cyclones. The study was funded by the Government of India's Department of Science and Technology under the Climate Change Programme (CCP).
 
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