000 ABNT20 KNHC 010210 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1030 PM EDT TUE JUL 31 2007 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER HAS ISSUED THE LAST ADVISORY ON TROPICAL STORM CHANTAL...RAPIDLY BECOMING EXTRATROPICAL ABOUT 260 MILES EAST-SOUTHEAST OF HALIFAX NOVA SCOTIA. THE AREA OF LOW PRESSURE ASSOCIATED WITH A TROPICAL WAVE HAS CONTINUED TO MOVE WESTWARD AND IS CENTERED ABOUT 425 MILES EAST OF THE SOUTHERN WINDWARD ISLANDS. THE SHOWER ACTIVITY REMAINS DISORGANIZED BUT ENVIRONMENTAL CONDITIONS APPEAR TO BE FAVORABLE FOR A TROPICAL DEPRESSION TO FORM DURING THE NEXT COUPLE OF DAYS...AS THE SYSTEM MOVES WESTWARD AT 10 TO 15 MPH. EVEN IF DEVELOPMENT DOES NOT OCCUR...THIS SYSTEM WILL LIKELY BRING A FEW SQUALLS TO THE WINDWARD ISLANDS DURING THE NEXT DAY OR SO. AN AIR FORCE PLANE IS SCHEDULED TO INVESTIGATE THE SYSTEM ON WEDNESDAY AFTERNOON...IF NECESSARY. A LARGE AREA OF CLOUDINESS CENTERED SEVERAL HUNDRED MILES EAST OF CAPE HATTERAS IS ASSOCIATED WITH A DEVELOPING EXTRATROPICAL LOW. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER AVILA