Climatic Control FeaturesSouth AmericaThe South Pacific High
Reference: USAFETAC/TN--92/004, PAG 2-6
Warm core anticyclone, with a strong surface reflection
- Dominant synoptic feature on the eastern South Pacific
- Andes Mountains prevent its eastward motion into the continent
Central pressure ranges between 1020-1040 hPa, with the high building ahead of long wave polar troughs.