As per recent studies, some meteorologists claim that 2016 will be among hottest years on record due to "Pacific Decadal Oscillation (PDO)". With this reference, consider the following statements:
- PDO is a temperature pattern observed primarily in southern Pacific Ocean.
- While during “warm" phase of PDO, south-west pacific becomes cooler, during “cold" phase south east pacific becomes cooler.
Which of the above statements is/are correct?