Conditions in the South Pacific during the La Nina phase of ENSO, in comparison to the neutral phase of ENSO, include (choose all that apply):
a. sea surface temperatures in the Eastern Pacific are cooler
b. air pressure patterns reverse from the normal direction
c. easterly trade winds decrease in strength, or reverse to westerly
d. the prevailing rain pattern shifts west towards Australia
e. easterly trade winds are stronger
f. upwelling on the west coast of South America is stronger