Significant Dust Invasion in the Caribbean. Yes it's real and yes it's normal, although this Saharan Air Layer (SAL) is a doozy - more prominent than most. Common as the deep layer Trade Winds get better established during summer. The dry layer acts to suppress tropical systems. pic.twitter.com/4hyu0C70Ay

— Jeff Berardelli (@WeatherProf) June 21, 2020