Bryan Norcross: Tropics continue on July break

Bryan Norcross: Tropics continue on July break

A strong high-pressure system is sprawled across the Atlantic. The high is a mountain of air, and the flow of air down the mountain suppresses any significant development under its dome of control. In addition, flow around the south side of the big high is dragging a giant plume of Saharan dust across the tropical Atlantic and the Caribbean.