Tag Archives: Tropical

Impacts of Saharan Dust Cloud

Over the past several days, a large dust cloud has moved from Africa’s Sahara Desert over the Atlantic Ocean. NOAA’s satellites detected the plume of dust several days ago. moving off the coast of Africa. Dust clouds like this are relatively common and are part of the Saharan Air Layer, but this particular plume of dust is highly concentrated. The high concentration will not only lower visibilities for any areas along its path, but has the potential to suppress hurricane development. NOAA models forecast the the dust plume to travel across the Atlantic over the next several days. Continue reading

Category: Atmosphere
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Causes and Effects of Tropical Widening

With the help of satellite data, scientists studying the Tropics and other climate zones have been tracking changes over time. Here the Tropics is highlighted in orange. Recent studies show the Tropical zone is expanding toward the poles. Why do we care if the Tropics expands? This widening spreads Tropical diseases to new places and drought to the Subtropics, where much of the world’s population lives. Continue reading

Category: Climate
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November 2012 Climate Digest

Each month, we will provide information regarding the previous month’s climate. Overall, preliminary data analysis suggests that November 2012 was the fifth warmest on record (since 1880). Major stories include drought in the United States, flooding in Argentina, and the devastating impacts of Typhoon Bopha. More detailed information follows. Continue reading

Category: Climate Digest
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