The study on this publication is connected with the Intensity variation of Southern Hemispheric Equatorial Trough and its impact on the intensity on the Cyclonic storms over Indian Ocean based on satellite cloud data which has a significant impact on operational cyclone forecasting. The study leads to the analysis of the variation in the activity of the SHET and its influence on the intensity of the cyclonic storms of various categories over north Indian Ocean such as cases of cyclonic storms, which has dissipated over the sea,cyclonic storms weakens in intensity just before landfall and...