000 ABNT20 KNHC 131145 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT SAT AUG 13 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON RECENTLY UPGRADED TROPICAL STORM FRANKLIN...LOCATED ABOUT 460 MILES NORTH-NORTHEAST OF BERMUDA. A WELL-DEFINED TROUGH OF LOW PRESSURE LOCATED ABOUT 600 MILES EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS IS PRODUCING A SMALL AREA OF SCATTERED SHOWERS AND THUNDERSTORMS. THIS SYSTEM IS SHOWING SOME SIGNS OF ORGANIZATION THIS MORNING...BUT ENVIRONMENTAL CONDITIONS ARE ONLY EXPECTED TO BE MARGINALLY FAVORABLE FOR DEVELOPMENT DURING THE NEXT COUPLE OF DAYS. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD AT AROUND 20 MPH. A BROAD LOW PRESSURE SYSTEM LOCATED ABOUT 700 MILES SOUTHWEST OF THE SOUTHERN CAPE VERDE ISLANDS CONTINUES TO PRODUCE ONLY LIMITED SHOWER ACTIVITY. HOWEVER...ENVIRONMENTAL CONDITIONS COULD BECOME MORE FAVORABLE FOR DEVELOPMENT IN A FEW DAYS. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT 15 TO 20 MPH. AN AREA OF LOW PRESSURE LOCATED ABOUT 500 MILES SOUTHEAST OF BERMUDA IS SHOWING SIGNS OF ORGANIZATION. SLOW DEVELOPMENT IS POSSIBLE DURING THE NEXT COUPLE OF DAYS AS THE LOW MOVES WEST-NORTHWESTWARD OR NORTHWESTWARD AT 10 TO 15 MPH. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. PUBLIC ADVISORIES ON TROPICAL STORM FRANKLIN ARE ISSUED UNDER WMO HEADER WTNT31 KNHC AND UNDER AWIPS HEADER MIATCPAT1. FORECAST/ADVISORIES ON TROPICAL STORM FRANKLIN ARE ISSUED UNDER WMO HEADER WTNT21 KNHC AND UNDER AWIPS HEADER MIATCMAT1. $$ FORECASTER STEWART