Tag Archives: clouds

MARCI weather report, March 26-April 1, 2018

Dusty conditions across much of the martian southern highlands last week. Several short-lived local-scale dust storms were observed along the seasonal south polar ice cap edge, while another storm north of Argyre pushed northeast into Valles Marineris. Dust lofted by … Continue reading

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THEMIS: Polar winds streaming off the ice cap

THEMIS Image of the Day, April 5, 2018. This VIS image shows ‘streamers’ of clouds created by katabatic winds at the north polar cap. Katabatic winds are created by cold air sinking at the pole and then speeding along the … Continue reading

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MARCI weather report, March 19-25, 2018

Numerous dust storms occurred over the southern highlands of Mars last week. Similar to activity mentioned in the previous report, dust lifting over Solis and north of Argyre pushed equatorward towards Valles Marineris. Focusing further south, repeated local-scale dust storms … Continue reading

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MARCI weather report, March 12-18, 2018

Continued local-scale dust storm activity across many parts of Mars this past week. Noachis Terra and eastern Aonia saw multiple here today gone tomorrow type of dust storms. North of Aonia, dust-lifting activity spotted over Solis lofted dust northward into … Continue reading

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MARCI weather report, March 5-11, 2018

There was an uptick in dust storm activity this past week, which is typical for this time of season. The Acidalia storm from last week had dissipated by mid-week. Northern Utopia and areas near the sands of Olympia were sites … Continue reading

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MARCI weather report, Feb 26-March 4, 2018

Towards the end of last week, dust lifting activity was spotted over the plains of northeast Acidalia and northwest Arcadia. Looking to the equatorial latitudes of Mars, the aphelion cloud belt continued to dominate the skies each afternoon. Among these … Continue reading

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MARCI weather report, February 12-18, 2018

At the beginning of the week, the aphelion cloud belt dominated the skies over the tropics of Mars. Condensate water-ice clouds were also spotted further north above Tempe, Alba, Acidalia, and Deuteronilus. Looking to the southern highlands, small short-lived dust … Continue reading

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MARCI weather report, February 5-11, 2018

Last week, martian water-ice clouds occurred along the tropics and over the plains north of Tempe. The plains of Acidalia encountered some dusty weather as dust hazes lingered for a couple sols at the beginning of the week. The southern … Continue reading

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MARCI weather report, Jan 29-Feb 4, 2018

Widespread water-ice cloud activity continued above many equatorial regions as well as areas north of Tempe Terra. Near the middle of the week, a couple of small short-lived dust storms were observed over northwestern Acidalia Planitia. Meanwhile in the southern … Continue reading

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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 … Continue reading

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