Tag Archives: Hurricanes

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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August 2012 Climate Digest

Each month, we will provide information regarding the previous month’s climate. Overall, preliminary data analysis suggests that August 2012 was the 4th warmest August on record (since 1880).  Major stories include a warm summer for the contiguous United States, cool … Continue reading

Category: Climate Digest
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Tropical Cyclone Giovanna

In mid-February, Tropical Cyclone Giovanna greatly impacted Madagascar, the fourth-largest island in the world, with high winds, storm surge, and heavy rain. After passing over the island one time, the storm turned around and made landfall again over the southern-most part of Madagascar, this time a much weakened storm. This EarthNow post will serve as a timeline of events to use in conjunction with the real-time satellite imagery datasets. We will also explore storm-related rainfall totals. Continue reading

Category: Tropical
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