Negative values on the Southern Oscillation Index indicate
A) lower barometric pressure in the western Pacific Ocean.
B) lower barometric pressure in the eastern Pacific Ocean.
C) lower barometric pressure in the northern Pacific Ocean.
D) higher barometric pressure in the southern Pacific Ocean.
E) higher barometric pressure in the eastern Pacific Ocean.

Question

Quizplus · Accepted Answer

Negative values on the Southern Oscillation Index indicate lower barometric pressure in the eastern Pacific Ocean, specifically near the coast of South America. This is a key indicator of El Niño conditions.

Negative Values on the Southern Oscillation Index Indicate