000 ABNT20 KNHC 250517 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SUN SEP 25 2016 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Karl, located east-northeast of Bermuda, and has issued the last advisory on Post-Tropical Cyclone Lisa, located over the eastern tropical Atlantic. Shower and thunderstorm activity has developed in association with a tropical wave and a low pressure system located several hundred miles southwest of the Cabo Verde Islands. This disturbance is forecast to move westward to west-northwestward across the tropical Atlantic Ocean at 15 to 20 mph for the next several days. Environmental conditions are expected to be conducive for gradual development as the system, and a tropical depression could form while the system approaches the Lesser Antilles by midweek. * Formation chance through 48 hours...low...20 percent * Formation chance through 5 days...high...80 percent $$ Forecaster Stewart