000 ABNT20 KNHC 111154 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT FRI SEP 11 2015 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Henri, located a few hundred miles northeast of Bermuda. A large area of disorganized showers and thunderstorms near the northern Leeward Islands is associated with the remnants of Tropical Storm Grace. Upper-level winds are not expected to be favorable for redevelopment of this system during the next several days. However, heavy rain and gusty winds are possible across portions of the northern Leeward Islands and Puerto Rico for the next couple of days while the wave moves westward at 15 to 20 mph. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...near 0 percent A tropical wave located just offshore the west coast of Africa is producing disorganized shower activity. Some gradual development of this wave is possible by early next week while it moves generally westward across the tropical Atlantic at about 15 mph. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...medium...40 percent A small low pressure system located about 900 miles southwest of the Azores is producing some showers and thunderstorms. Development, if any, of this low is expected to be slow to occur while it moves westward to west-northwestward at about 10 mph over the next several days. * Formation chance through 48 hours...low...10 percent * Formation chance through 5 days...low...20 percent $$ Forecaster Blake