This dip in the eastern end of monsoon trough in North Bay of Bengal induces low pressure areas and these tropical disturbances from sea level to 500 mb moves along the monsoon trough precipitating along its path. read more
Low pressure area over North Bay of Bengal tends to pull the monsoon winds from Arabian sea strengthening the monsoon trough along the west coast. Normally this low slopes slightly south with height and this makes south of the trough to get heavy rains as the monsoon winds concentrate over these areas. This is what a monsoon burst is. read more
burst of monsoon- the duration of monsoon is b/w 100-120days starting from early june and cont. till the mid of september. during this time the normal rainfall suddenly increases and cont. for several days. this is known as burst of monsoon. read more