000 ABNT20 KNHC 211749 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT FRI AUG 21 2015 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Danny, located over the central tropical Atlantic Ocean about 900 miles east of the Leeward Islands. A broad non-tropical area of low pressure is located a couple of hundred miles south of Bermuda. This system is interacting with an upper-level low and is producing a large area of showers and thunderstorms mainly to the east of the surface low. Environmental conditions could support some tropical or subtropical development while this system moves slowly northward over the western Atlantic Ocean through the weekend. * Formation chance through 48 hours...low...20 percent * Formation chance through 5 days...medium...50 percent A tropical wave located just off of the west coast of Africa is producing disorganized showers and thunderstorms. Some slow development of this system is possible during the next several days while the wave moves westward at about 20 mph over the eastern and central tropical Atlantic. * Formation chance through 48 hours...low...10 percent * Formation chance through 5 days...low...30 percent Another tropical wave is expected to move off the west coast of Africa in a couple of days. Some development of this system is possible early next week while it moves westward over the eastern tropical Atlantic Ocean. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...20 percent $$ Forecaster Beven