INDIAN GEOGRAPHY

CLIMATE OF INDIA

EL NINO AND SOUTHERN OSCILLATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is an effect of La Nina on Georgia’s summer weather?
A
decreased winds
B
decreased rainfall
C
increased humidity
D
increased temperature
Explanation: 

Detailed explanation-1: -Whereas, during a La Niña, Georgia is typically warmer than normal and the southern portion is typically abnormally dry. Of course, there are exceptions to these patterns during the season and it’s important to remember that no single weather event can be tied to either an El Niño or La Niña phase.

Detailed explanation-2: -Effects of La Niña La Niña is characterized by lower-than-normal air pressure over the western Pacific. These low-pressure zones contribute to increased rainfall. Rainfall associated with the summer monsoon in Southeast Asia tends to be greater than normal, especially in northwest India and Bangladesh.

Detailed explanation-3: -La Niña typically brings drier conditions to the southern half of the country and wetter conditions to the northern half, but where that dividing line falls varies from year to year. Sometimes La Niña splits California in two, bringing lots of rain to Northern California and drought to Southern California.

Detailed explanation-4: -La Niña is related to increases in the likelihood of above-and below-average precipitation over many regions of the globe (Fig. 2). These changes in precipitation likelihoods occur during certain times of the year.

Detailed explanation-5: -La Nina causes drought in Peru and Ecuador, heavy floods in Australia, high temperatures in Western Pacific, Indian Ocean, off the Somalian coast and good monsoon rains in India. A La Nina is actually beneficial for the Indian monsoon. Generally, El Nino and La Nina occur every 4 – 5 years.

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