000 ABNT20 KNHC 111516 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1130 AM EDT TUE SEP 11 2007 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER HAS ISSUED THE LAST ADVISORY ON DISSIPATING TROPICAL DEPRESSION GABRIELLE...LOCATED ABOUT 355 MILES SOUTH-SOUTHWEST OF HALIFAX NOVA SCOTIA. SHOWER AND THUNDERSTORM ACTIVITY HAS DECREASED THIS MORNING IN ASSOCIATION WITH A TROPICAL WAVE AND BROAD AREA OF LOW PRESSURE LOCATED ABOUT 1250 MILES EAST OF THE WINDWARD ISLANDS. HOWEVER... CONDITIONS APPEAR FAVORABLE FOR DEVELOPMENT AND THIS SYSTEM COULD STILL BECOME A TROPICAL DEPRESSION WITHIN A DAY OR TWO AS IT MOVES WEST-NORTHWESTWARD ABOUT 10 MPH. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A BROAD LOW PRESSURE AREA CENTERED ABOUT 100 MILES EAST OF THE LOWER TEXAS COAST REMAIN DISORGANIZED. UPPER-LEVEL WINDS HAVE BECOME A LITTLE MORE FAVORABLE FOR DEVELOPMENT. HOWEVER...DEVELOPMENT...IF ANY...SHOULD BE SLOW TO OCCUR DUE TO PROXIMITY TO LAND. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BROWN