so it’s been a surprise to climate scientists that 2017 has been so remarkably warm — because the last el niño ended a year ago.
so it’s been a surprise to climate scientists that 2017 has been so remarkably warm — because the last el niño ended a year ago.
el niño:84
about half of el niño events persist sufficiently into the spring months for the western hemisphere warm pool to become unusually large in summer.