El Nino weather patterns, cyclone Biparjoy led to delay in monsoon: Experts
New Delhi, June 13: El Nino Southern Oscillation (ENSO), due to which water temperatures in the equatorial Pacific Ocean become cooler than normal because of the upwelling of cold water from the bottom of the sea, led to a delay in monsoon, while cyclone Biparjoy also played a crucial role in the delay, said experts.