Tag Archives: clouds

MARCI weather report, July 23-29, 2018

During the past week, dust continued to gradually settle out of the martian atmosphere as part of the long decay phase of the planet-encircling dust event. Regional surface albedo features, such as Noachis, Syrtis, Cimmeria, and Sirenum became more prominent. … Continue reading

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MARCI weather report, July 16-22, 2018

Dust clouds and hazes still loomed over Mars last week. Some atmospheric clearing was spotted over Noachis and Aonia Terra as the planet-encircling dust event transitioned to a decay phase. The edges of the canyons that make up Valles Marineris … Continue reading

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Mars ‘storm chasers’ seek dusty secrets

Storm chasing takes luck and patience on Earth — and even more so on Mars. For scientists watching the Red Planet from data gathered by NASA’s orbiters, the past month has been a windfall. “Global” dust storms, where a runaway … Continue reading

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MARCI weather report, July 9-15, 2018

Dusty conditions across Mars as the planet-encircling dust event dragged on for another week. Local-scale dust lifting was spotted over Solis-Sinai and along the developing north polar hood. Each afternoon, water-ice gravity wave (a.k.a. lee wave) clouds trailed from the … Continue reading

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MARCI weather report, July 2-8, 2018

Dusty conditions continued around the red planet this past week, as the planet-encircling dust event was still ongoing. The colossal dust cloud was still prevalent between the south polar ice cap and the north polar hood. Solis-Sinai and on occasion, … Continue reading

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MARCI weather report, June 25-July 1, 2018

For the past week on Mars, the planet-encircling dust event persisted across all hemispheres. Though, active dust-lifting was not occurring everywhere across the planet, regional lifting centers in Solis-Sinai, Hellas, and Elysium continued to sustain a planet-encircling dust cloud of … Continue reading

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MARCI weather report, June 18-24, 2018

The planet-encircling dust event endured across Mars last week. As the week progressed, storm activity expanded over Solis-Sinai, Aonia, and Sirenum. Dusty conditions also continued from Isidis to Olympus and from Argyre to western Sirenum. Storm activity south of Hellas, … Continue reading

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MARCI weather report, June 11-17, 2018

The massive dust storm reported in the previous update, persisted over many regions of Mars last week. At the beginning of the week, a local-scale dust storm was spotted southwest of Gale Crater. Active lifting associated with the major storm … Continue reading

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MARCI weather report, June 4-10, 2018

A major regional-scale dust storm continued across Mars this past week. At the start of the week, the dust storm expanded along the northern hemisphere from eastern Tharsis to Elysium. Dust over Arabia was transported north of Syrtis along the … Continue reading

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MARCI weather report, May 28-June 3, 2018

The most prominent weather events last week were two large regional dust storms over the northern hemisphere of Mars. The large arcuate-shaped dust storm, reported the previous week, propagated eastward over the northern mid-latitudes of Utopia Planitia before abating. By … Continue reading

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