btw it's la niña (cold phase) / el niño (warm phase) with an Ñ because it's a Spanish word meaning the girl / the boy, it's called that because south americans, specifically fishermen from the northwest of perú saw the water increase temperatures during christmas season (summertime for us who are in the southern hemisphere)
btw it's la niña (cold phase) / el niño (warm phase) with an Ñ because it's a Spanish word meaning the girl / the boy, it's called that because south americans, specifically fishermen from the northwest of perú saw the water increase temperatures during christmas season (summertime for us who are in the southern hemisphere)