000 ABNT20 KNHC 200856 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 530 AM EDT THU SEP 20 2007 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SURFACE OBSERVATIONS INDICATE THAT A WEAK LOW PRESSURE SYSTEM IS MOVING WESTWARD NEAR 10 MPH ACROSS CENTRAL FLORIDA. SATELLITE IMAGES AND RADAR OBSERVATIONS INDICATE THAT THE ASSOCIATED SHOWER ACTIVITY IS LIMITED AND DISORGANIZED AT THIS TIME. HOWEVER...THE ENVIRONMENT IS GRADUALLY BECOMING FAVORABLE FOR A SUBTROPICAL OR A TROPICAL CYCLONE TO FORM AS THE SYSTEM MOVES WESTWARD INTO THE EASTERN GULF OF MEXICO LATER TODAY. LOCALLY HEAVY RAINFALL IS POSSIBLE OVER PORTIONS OF THE SOUTHEASTERN U.S. DURING THE NEXT DAY OR TWO. AN AIR FORCE HURRICANE HUNTER AIRCRAFT IS SCHEDULED TO INVESTIGATE THE SYSTEM LATER TODAY. ALL INTERESTS ALONG THE NORTHERN GULF OF MEXICO COAST SHOULD MONITOR THE PROGRESS OF THIS WEATHER DISTURBANCE. AN AREA OF CLOUDINESS AND THUNDERSTORMS LOCATED A FEW HUNDRED MILES TO THE NORTH OF PUERTO RICO IS PRIMARILY ASSOCIATED WITH THE REMNANTS OF INGRID. UPPER-LEVEL WINDS ARE NOT FAVORABLE FOR SIGNIFICANT DEVELOPMENT OF THIS SYSTEM. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER PASCH/MAINELLI