By D R Sikka and M Mohapatra
The authors are former Director, Indian Institute of Tropical Meteorology, Pune and Head (RSMC), IMD, New Delhi, respectively. email@example.com
The monitoring, prediction and forecast of tropical cyclones (TCs) over the northern Indian Ocean (NIO) basin goes back 150 years. A historical account of the developments is presented here, along with the present status of early warning systems.
Tropical cyclones (TCs) occur over the warm tropical oceans of north Atlantic, western North Pacific, eastern North Pacific, northern Indian Ocean (NIO), south Indian Ocean and the south Pacific Ocean. The average combined frequency of occurrences of TCs is about five in a year over the Bay of Bengal (BoB) and the Arabian Sea (AS) of which about four form over the BoB and one over the AS. The phenomenon is the same over all tropical ocean basins though geographically...