000 ABNT20 KNHC 011137 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT TUE SEP 1 2015 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Fred, located northwest of the northwestern Cape Verde Islands. A tropical wave is forecast to move off of the west coast of Africa on Thursday several hundred miles southeast of the Cape Verde Islands. Environmental conditions are expected to be somewhat conducive for gradual development of this system through the weekend while it moves westward at 15 to 20 mph. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...20 percent $$ Forecaster Brown