PowerPoint Presentation

El-Nino : Abnormal warming up of surface water in the eastern

tropical pacific ocean near Peru Coast which effects global

Atmospheric Circulation and is responsible for weakening or

erratic rainfall during Monsoon.

La- Nina : A Phenomena which is characterised by below normally

sea surface temperature in the eastern Equatorial pacific ocean

and exactly opposite of El-Nino

Western Disturbance : Extra Tropical cyclonic storm which

originates from the Mediterranean sea move towards the east

and causes rainfall during winter in the N-W part of India which

helps in Rabi Crop particularly Wheat.