Last updated at 9 a.m. on July 30A channel of strong upper-level winds is forecast to remain over the Caribbean for the foreseeable future, which will prohibit any tropical systems from organizing there. And the water temperatures over the main tropical-development region and the Caribbean remain unusually cool. LATEST FROM BRYAN NORCROSSIn addition, the Madden-Julian Oscillation or MJO, which can enhance or suppress tropical activity, is stuck in suppression mode. There's no reason to think the pattern is permanent, but every factor we look at is detrimental to development right now. HOW TO WATCH FOX WEATHERWhile the Atlantic and the Caribbean are relatively cool, the waters around Florida are unusually warm.