WRF-Chem v3.9.1 simulated aerosol feed back

setting namelist.input for no aerosol feed back
progn = 0
ra_lw_physics = 4
ra_sw_physics = 4
chem_opt = 2
aer_ra_feedback = 0

setting namelist.input for aerosol direct effects
progn = 0
ra_lw_physics = 4
ra_sw_physics = 4
chem_opt = 2
aer_ra_feedback = 1

setting namelist.input for aerosol direct and indirect effects
progn = 1
ra_lw_physics = 4
ra_sw_physics = 4
chem_opt = 11
wetscav_onoff = 1,
cldchem_onoff = 1,
aer_ra_feedback = 1

The three figures in attachments:
First figure shows the aerosol direct and indirect effects
Second figure shows the aerosol direct effects
Third figure shows the no aerosol effects