000 ABNT20 KNHC 312120 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 530 PM EDT TUE JUL 31 2007 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM CHANTAL...LOCATED ABOUT 235 MILES SOUTH-SOUTHEAST OF HALIFAX NOVA SCOTIA. AN AREA OF LOW PRESSURE ASSOCIATED WITH A TROPICAL WAVE IS CENTERED ABOUT 485 MILES EAST OF THE SOUTHERN WINDWARD ISLANDS. ALTHOUGH THE SHOWER ACTIVITY IS CURRENTLY DISORGANIZED...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. AN AIR FORCE PLANE IS SCHEDULED TO INVESTIGATE THE SYSTEM ON WEDNESDAY AFTERNOON...IF NECESSARY. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. PUBLIC ADVISORIES ON TROPICAL STORM CHANTAL ARE ISSUED UNDER WMO HEADER WTNT33 AND UNDER AWIPS HEADER MIATCPAT3. FORECAST/ADVISORIES ON TROPICAL STORM CHANTAL ARE ISSUED UNDER WMO HEADER WTNT23 AND UNDER AWIPS HEADER MIATCMAT3. $$ FORECASTER AVILA