atmospheric dynamics Andes 6 stratosphere 6 Antarctica 4 Atmospheric circulation 4 El Nino-Southern Oscillation 4 Extended empirical orthogonal function 4 GPS 4 Meteorology and atmospheric dynamics (Middle atmosphere dynamics; Waves and tides) 4 Patagonia 4 Principal components analysis 4 Principal sequence pattern analysis 4 South America 4 Storms 4 Synoptic climatology 4 T-mode approach 4 airglow 4 atmospheric circulation 4 atmospheric tide 4 atmospheric wave 4 empirical analysis 4 gravity wave 4 mesopause 4 numerical method 4 open ocean 4 principal component analysis 4 satellite mission 4 seasonal variation 4 synoptic meteorology 4 temperature profile 4