Tag Archives: wind

MARCI weather report, August 17-23, 2015

Several arcuate shaped storms were observed along the receding seasonal north polar cap edge this past week on Mars. One dust cloud generated by a storm was transported northward across the perennial north polar cap. At southern mid-latitudes, sporadic dust-lifting … Continue reading

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MARCI weather report, August 10-16, 2015

Last week on Mars, afternoon condensate water-ice clouds became more abundant over the regions between Meridiani and Olympus Mons. An arcuate dust storm was observed along the edge of the seasonal north polar ice cap. On the other side of … Continue reading

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HiRISE: Yardangs from Apollonaris Patera

We see here a terrain with an incredible morphologic dichotomy: a relatively smooth region that transitions into sharp ridges. These ridges, aligned in the nearly same direction, are called yardangs. Yardangs are not unique to Mars. Many yardangs can be … Continue reading

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MARCI weather report, August 3-9, 2015

For the past week on Mars, water-ice clouds and dust storms continued to propagate eastward along the seasonal north polar ice cap edge. The receding ice cap edge has now defrosted away to around 63°N latitude. In the equatorial latitudes, … Continue reading

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MARCI weather report, July 27-August 2, 2015

The red planet displayed dust storms and diffuse water-ice clouds over the southern highlands for the past week. Further towards the pole, the south polar hood was developing as the seasons progressed. Looking more northward to the low latitudes, water-ice … Continue reading

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MARCI weather report, July 20-26, 2015

Last week, as the southern autumn/ northern spring seasons progressed on Mars, dust storms were kicked-up at mid-to-high southern latitudes. During this time, the northern plains experienced eastward propagating water-ice clouds and dust storms as the seasonal ice cap continued … Continue reading

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THEMIS: Noachis Terra dunes — false color

THEMIS Image of the Day, July 24, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading

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HiRISE: South high-latitude dune field

South high-latitude dune field. Beautiful Mars series.

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MARCI weather report, July 13–19, 2015

For the past week on Mars, continued dust lifting events occurred in the southern highland regions. Meanwhile, on the other side of the red planet, a couple dust storms were spotted along the edge of the northern springtime ice cap. … Continue reading

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MARCI weather report, July 6–12, 2015

There was an uptick of dust activity in the southern highlands this past week. Dust lifting in Sirenum, Aonia, and Noachis made for dusty conditions poleward of ~55°S. To the north, transient dust storms and water-ice clouds continued to propagate … Continue reading

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