000 ABNT20 KNHC 100509 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SAT SEP 10 2016 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Shower and thunderstorm activity has changed little in organization during the past few hours in association with a broad area of low pressure located about 1100 miles east of the Lesser Antilles. However, environmental conditions are forecast to be favorable for development, and a tropical depression is likely to form by early next week while this disturbance moves toward the west-northwest and then toward the northwest over the central Atlantic during the next several days. * Formation chance through 48 hours...high...70 percent * Formation chance through 5 days...high...90 percent An area of cloudiness, showers, and thunderstorms extending for several hundred miles to the north of Puerto Rico and the northern Leeward Islands is not showing any signs of organization. Environmental conditions are not expected to be conducive for significant development of this system while it moves generally west-northwestward at around 15 mph. * Formation chance through 48 hours...low...10 percent * Formation chance through 5 days...low...10 percent An area of low pressure located just southwest of the lower Florida Keys is currently producing limited shower and thunderstorm activity. Upper-level winds are expected to remain unfavorable for significant development while this system moves westward at 5 to 10 mph across the southeastern Gulf of Mexico during the next couple of days. For additional information on this system, see High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...low...20 percent * Formation chance through 5 days...low...20 percent && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and on the Web at http://www.opc.ncep.noaa.gov/shtml/NFDHSFAT1.shtml. $$ Forecaster Brennan