Southern Hemisphere

Revisiting the zonally asymmetric extratropical circulation of the Southern Hemisphere spring using complex empirical orthogonal functions

The large-scale extratropical circulation in the Southern Hemisphere is much more zonally symmetric than that of the Northern Hemisphere, but its zonal departures, albeit highly relevant for regional impacts, have been less studied. In this study we …

Assessment of zonally symmetric and asymmetric components of the Southern Annular Mode using a novel approach

The Southern Annular Mode (SAM) is the main mode of variability in the Southern Hemisphere extra-tropical circulation and it is so called because of its zonally symmetric ring-like shape. However, the SAM pattern actually contains noticeable …

Estudio de los mecanismos físicos asociados con el patrón de onda 3 de la circulación atmosférica del HS

Este trabajo estudia las características observadas de la onda cuasiestacionaria 3 (QS3) en el HS a partir del reanálisis del NCEP/NCAR y analiza preliminarmente experimentos de sensibilidad realizados utilizando el modelo SPEEDY del ICTP. Los …