Tag Archives: MODIS

Grímsvotn Volcano Plume

This amazing NASA MODIS satellite photo captures Iceland’s most active volcano, Grímsvötn erupting on May 22, 2011. The image shows the ash column rising above cloud level,  casting a shadow to the west.  A brown plume of volcanic ash shrouds the southern … Continue reading

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Sand blown from Africa to Scandinavia

NASA’s Ozone Monitoring Instrument recently gathered information  leading to these fascinating images of dust blown from the Sahara, several thousand miles across Europe. Red represents higher concentrations of particles, grey indicates areas with unreliable data or cloud cover. Over six … Continue reading

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