Climatic Control FeaturesSouth AmericaThe South Atlantic (St Helena) High
Reference: USAFETAC/TN--92/004, PAG 2-8
Warm core anticyclone
- Dominant synoptic feature on the Western Atlantic
Central pressure ranges between 1018 hPa in March to 1025 hPa in September.
High migrates from NW from 32S 08W in summer to 26S 12W in Winter