000 ABNT20 KNHC 201743 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT SAT SEP 20 2008 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A TROPICAL WAVE...ACCOMPANIED BY A SURFACE LOW PRESSURE SYSTEM OVER THE NORTHEASTERN CARIBBEAN SEA...IS PRODUCING WIDESPREAD CLOUDINESS AND SHOWERS OVER THE LESSER ANTILLES...AND ADJACENT CARIBBEAN AND ATLANTIC WATERS. THIS SYSTEM CONTINUES TO SHOW SIGNS OF IMPROVED ORGANIZATION...AND UPPER-LEVEL WINDS ARE EXPECTED TO BECOME A LITTLE MORE FAVORABLE OVER THE NEXT COUPLE DAYS FOR A TROPICAL DEPRESSION TO FORM AS IT MOVES NORTHWESTWARD. AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE THE SYSTEM ON SUNDAY...IF NECESSARY. WHETHER OR NOT THE SYSTEM DEVELOPS INTO A TROPICAL CYCLONE...LOCALLY HEAVY RAINFALL AND STRONG GUSTY WINDS WILL AFFECT MUCH OF THE LESSER ANTILLES...THE VIRGIN ISLANDS AND PUERTO RICO THROUGH SUNDAY. 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