A massive Saharan dust plume is moving into the southeast US, bringing technicolor sunsets and suppressing tropical storms
- Written by Scott Denning, Professor of Atmospheric Science, Colorado State University

A hot desert wind is carrying a massive cloud of Saharan dust into the southern United States this week. Dust plumes from the Sahara routinely blow westward across the Atlantic at this time of year, but this event is a doozy – by some measures,...