center_lat = minlat + 0.33*latspan
center_lon = minlon + (1/5)*lonspan
plot_around_center_zlon(center_lat,center_lon,axs,lon_rad=0.2,lat_rad=0.2,frm=500,interval=30)
plot_around_center_zlat(center_lat,center_lon,axs,lon_rad=0.2,lat_rad=0.2,frm=500,interval=30)
center_lat = minlat + 0.33*latspan
center_lon = minlon + (2/5)*lonspan
plot_around_center_zlon(center_lat,center_lon,axs,lon_rad=0.2,lat_rad=0.2,frm=500,interval=30)
plot_around_center_zlat(center_lat,center_lon,axs,lon_rad=0.2,lat_rad=0.2,frm=500,interval=30)
center_lat = minlat + 0.33*latspan
center_lon = minlon + (3/5)*lonspan
plot_around_center_zlon(center_lat,center_lon,axs,lon_rad=0.2,lat_rad=0.2,frm=500,interval=30)
plot_around_center_zlat(center_lat,center_lon,axs,lon_rad=0.2,lat_rad=0.2,frm=500,interval=30)