Which of the following is/are not characteristics of El nino?

a. Increased surface pressure over the Indian Ocean, Australia and Indonesia

b. Rise in warm air near Peru

c. Fall in air pressure over eastern and central Pacific ocean and Tahiti

d. Below-average sea surface temperatures across the east-central Equatorial Pacific

ANSWER: Below-average sea surface temperatures across the east-central Equatorial Pacific

Explanation:

Below-average sea surface temperatures across the east-central Equatorial Pacific is a characteristic of La Nina which is anti El-Nino.