Tag Archives: clouds

MARCI weather report, Nov 25-Dec 2, 2018

Transient local-scale dust storms brought about dusty conditions over northern Amazonis and southern Phlegra last week. Near the end of the week, dust activity spotted over Xanthe Terra, quickly subsided and pushed a cloud of dust southward to northeast Noachis. … Continue reading

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MARCI weather report, November 19-25, 2018

Sporadic dust-lifting events continued over both hemispheres of the red planet last week. A few short-lived dust storms were observed along the north polar hood near eastern Acidalia, Alba Mons, and the Phlegra Montes. Amazonis Planitia also encountered a small … Continue reading

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MARCI weather report, November 12-18, 2018

For the past week on Mars, dust storm activity was largely inactive — apart from some areas in the northern hemisphere. The low-lying plains of Acidalia, Amazonis, and Chryse each had a couple of transient local-scale dust storms over the … Continue reading

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MARCI weather report, November 5-11, 2018

Across much of the red planet there was a lull in dust storm activity last week, which is typical for this time of season. Atmospherically thin dust hazes continued near the receding south polar ice cap as well as near … Continue reading

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MARCI weather report, Oct 29-Nov 4, 2018

Dust activity across much of Mars was relatively uneventful towards the end of the week. Looking to the southern high-latitudes, some dust hazes were observed near the edge of the defrosting seasonal south polar ice cap. Arsia Mons, the southernmost … Continue reading

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Mars Express: Keeping an eye on a curious cloud

Since 13 September, ESA’s Mars Express has been observing the evolution of an elongated cloud formation hovering in the vicinity of the 20 km-high Arsia Mons volcano, close to the planet’s equator. In spite of its location, this atmospheric feature … Continue reading

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MARCI weather report, October 15-21, 2018

At the beginning of the week, hazes and clouds of dust continued along the defrosting seasonal south polar ice cap edge. Looking to the low-latitudes, orographic water ice clouds were spotted above Arsia Mons, the southernmost shield volcano of the … Continue reading

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MARCI weather report, October 8-14, 2018

Dust clouds and hazes continued along the seasonal south polar ice cap edge of Mars this past week. Dust storms were observed from Aonia Terra to northern Noachis Terra to northern Amazonis. The Amazonis storm was advected southwest over the … Continue reading

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MARCI weather report, October 1-7, 2018

Weather patterns on Mars were fairly typical last week. Large dust lifting activity associated with the defrosting south polar seasonal ice cap continued over southern Sirenum and Aonia. The western hemisphere of these polar latitudes also had some small dust … Continue reading

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MARCI weather report: September 17-23, 2018

During the past week, dusty conditions continued along the retreating seasonal south polar ice cap edge. Sites of activity included Aonia, southern Sirenum, and southwest of Hellas — near the ‘Mountains of Mitchel.’ Looking further northward, dust lifting was relatively … Continue reading

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