000 ABNT20 KNHC 192350 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT SUN JUL 19 2009 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH A TROPICAL WAVE LOCATED ABOUT 400 MILES EAST OF THE WINDWARD ISLANDS CONTINUES TO SHOW SIGNS OF ORGANIZATION. UPPER-LEVEL WINDS ARE EXPECTED TO BECOME LESS FAVORABLE FOR THE DEVELOPMENT OF THIS SYSTEM OVER THE NEXT 24 TO 48 HOURS. REGARDLESS OF DEVELOPMENT...LOCALLY HEAVY RAINFALL AND GUSTY WINDS COULD AFFECT THE WINDWARD ISLANDS ON MONDAY AS THE WAVE MOVES WESTWARD AT 15 TO 20 MPH. THERE IS A LOW CHANCE...LESS THAN 30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER PASCH