(a)
(b)
Figure 5: CALIPSO (a) total attenuated backscatter at 532 nm of a dust storm event as measured by the night-time CALIPSO overpass over the inland Saudi Arabia (at 2238 to 2251 UTC 11 March 2008) and (b) aerosol subtype over the same area. The surface elevation is shown as a thick black line. The inset map shows the path of CALIPSO overpass over the globe (black line) and the study region (red line).