MARCI weather report, January 22-28, 2018

The prevalence of water-ice clouds was strong across many regions of Mars last week. The aphelion cloud belt continued to rule the skies along the tropics. Poleward of Alba Patera, remainders of a recurring annular (ring-shaped) cloud were visible in the second half of the week. The cloud manifests as different currents of martian air merge in the morning hours north of Alba Patera. Looking to the southern highlands, a… [More at link, including video]