000 ABNT20 KNHC 180540 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT THU AUG 18 2016 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Fiona located over the central tropical Atlantic. A tropical wave is forecast to move off of the coast of Africa on Saturday. Development, if any, of this system is expected to be slow to occur as the wave moves generally westward through a marginally favorable environment. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...10 percent $$ Forecaster Kimberlain