A large cloud of dust and sand from the deserts of Africa
has made it across the Atlantic Ocean could impact Florida’s sky. The air layer
could slightly reduce visibilities during the day and help create brilliant colors
at sunset.
Pulses of Saharan dust are common during the late spring and
early summer months. Wind moving across Africa propels sand, dust and other
small particles into the atmosphere, where currents can move the air thousands
of miles. The dust can hinder the formation of clouds and reduce moisture. Large
plumes of a Saharan air layer are even known to limit the formation of tropical
cyclones.
Last year, some 24 tons of dust created a near record-breaking
Saharan air layer that pushed across the Atlantic and hung around North America
for several days. This year, the dust will likely stick around until early next
week, when another round of significant rain pushes through. For most
Floridians, the dust layer will be nothing more than a phenomenon to sight see.
But for a few of us, it could trigger a few minor respiratory problems.
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