000 ABNT20 KNHC 201158 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT SAT SEP 20 2008 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A WESTWARD-MOVING TROPICAL WAVE...ACCOMPANIED BY A SURFACE LOW PRESSURE SYSTEM OVER THE EASTERN CARIBBEAN SEA...IS PRODUCING WIDESPREAD CLOUDINESS AND SHOWERS OVER THE LESSER ANTILLES...AND ADJACENT CARIBBEAN AND ATLANTIC WATERS. THIS SYSTEM IS SHOWING SIGNS OF IMPROVED ORGANIZATION THIS MORNING...AND UPPER-LEVEL WINDS ARE EXPECTED TO BECOME SOMEWHAT MORE FAVORABLE OVER THE NEXT COUPLE DAYS FOR SOME ADDITIONAL DEVELOPMENT TO OCCUR. A BROAD AREA OF LOW PRESSURE...ACCOMPANIED BY DISORGANIZED SHOWER ACTIVITY...CONTINUES OVER THE SOUTHWESTERN CARIBBEAN SEA JUST EAST OF NICARAGUA. UPPER-LEVEL WINDS ARE CURRENTLY UNFAVORABLE FOR ANY SIGNIFICANT DEVELOPMENT TO OCCUR. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART