The Atlantic, the Caribbean, and the Gulf are pretty much shut down when it comes to potential tropical development. The pattern that includes dips in the jet stream driving fronts into the Southeast, which is more typical of June than July, will break down this week. Leftover tails of fronts sometimes trigger a tropical disturbance to develop. But now, high pressure will spread from Africa across the Atlantic to the central U.S. The flow across the tropical ocean will co