13 Jan '18, 7pm

Here's what snowfall in the Sahara looks like from space.

For the second time in three years, snow has accumulated in the desert near the northern Algerian town of Aïn Séfra. Sometimes called the “gateway to the desert,” the town of 35,000 people sits between the Sahara and the Atlas Mountains. According to news and social media accounts, anywhere from 10 to 30 centimeters (4 to 12 inches) of snow accumulated on January 8, 2018, on some higher desert elevations (1000 meters or more above sea level). Social media photos showed citizens sliding down snow-covered sand dunes. Warming temperatures melted much of it within a day. On January 8, the Operational Land Imager (OLI) on Landsat 8 captured the data for these natural-color images of the snow in the Sahara Desert. At the top of the page, the Landsat 8 image was draped over a global digital elevation model , built from data acquired by NASA’s Shuttle Radar Topography Mission. The...

Full article: https://earthobservatory.nasa.gov/IOTD/view.php?id=91556&...

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A Dusting of White in the Sahara

earthobservatory.nasa.gov 12 Jan '18, 11pm

For the second time in three years, snow has accumulated in the desert near the northern Algerian town of Aïn Séfra. Somet...

A Dusting of White in the Sahara

earthobservatory.nasa.gov 11 Jan '18, 3pm

, snow has fallen near the northern Algerian town of Aïn Séfra. On January 8, 2018, the Operational Land Imager (OLI) on L...

A Dusting of White in the Sahara

earthobservatory.nasa.gov 11 Jan '18, 5am

, snow has fallen near the northern Algerian town of Aïn Séfra. On January 8, 2018, the Operational Land Imager (OLI) on L...

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