Growth of a Dust Storm (TES)
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ June 23, 1999
Variation of dust content with time shows the growth of a storm. Opacities range from 0.15 (violet) to 1.25 (red). Orbit 25 is 10-21-1997, orbit 51 is 11-27-1997, and orbit 53 is 11-30-1997.