Figure 4: Spatial distribution of JJAS Planetary Boundary Layer Height (m) for the year 1987 (a) NCEPSST with initial condition of 1st April 1987 (b) NCEPSST with initial condition of 1st May 1987 (c) AMIPSST with initial condition of 1st April 1987 (d) AMIPSST with initial condition of 1st May 1987.