Intra- and Interseasonal Variability

Zonal Structure of the MJO

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Three-Dimensional Structure of the MJO

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

MJO Impacts on Tropical Cyclones

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

MJO Impacts on Tropical Cyclones

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

MJO Impacts on US Winter Temperatures

(Figure obtained from Zhang (2013, BAMS), their Figure 9. © 2013, American Meteorological Society.)

MJO Monitoring: OLR Anomalies

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

MJO Monitoring: Velocity Potential

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Wheeler and Hendon (2004): MJO Phases

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Wheeler and Hendon (2004): MJO Phases

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Wheeler and Hendon (2004): MJO Phases

EOF 1 = RMM1 EOF 2 = RMM2 (Figure obtained from Wheeler and Hendon (2004), their Figure 1. © 2004, AMS.)

Wheeler and Hendon (2004): MJO Phases

EOF 1 = RMM1 EOF 2 = RMM2 (Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Quasi-Biennial Oscillation

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Quasi-Biennial Oscillation

(Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

Mixed Rossby-Gravity Wave Forcing stratopause

Dynamics of the QBO

Equatorially Trapped Kelvin Wave Forcing tropopause U < 0 U > 0 U < 0 U > 0 (Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

stratopause

Dynamics of the QBO

tropopause U < 0 U > 0 U < 0 U > 0 (Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)

stratopause

Dynamics of the QBO

tropopause U < 0 U > 0 (Figure obtained from Ch. 4 of An Introduction to Tropical Meteorology, 2 nd Edition. © 2011, COMET.)