SYNOPTIC CLIMATOLOGY AIR MASSES 3 ANOMALIAS DE PRESION, TEMPERATURA Y PRECIPITACION 3 ATMOSPHERIC CIRCULATION 3 CAMPOS DIARIOS DE PRESION DE SUPERFICIE 3 CIRCULACION ATMOSFERICA 3 CLIMATIC VARIABILITY 3 CLIMATOLOGIA SINOPTICA 3 CLIMATOLOGIA-SINOPTICA 3 COMPONENTES PRINCIPALES 3 DAILY SURFACE PRESSURE FIELDS 3 ENSO 3 MASAS DE AIRE 3 PRINCIPAL COMPONENTS, PRESSURE, TEMPERATURE AND PRECIPITATION ANOMALIES 3 VARIABILIDAD CLIMATICA 3