000 ABNT20 KNHC 231142 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT SAT JUL 23 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... DISORGANIZED SHOWERS AND THUNDERSTORMS CONTINUE IN ASSOCIATION WITH A TROPICAL WAVE LOCATED NEAR THE LEEWARD ISLANDS. THERE ARE NO SIGNS OF A SURFACE CIRCULATION AND UPPER-LEVEL WINDS ARE EXPECTED TO BECOME LESS CONDUCIVE FOR DEVELOPMENT ON SUNDAY. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT...BRIEF PERIODS OF LOCALLY HEAVY RAINFALL AND GUSTY WINDS WILL OCCUR OVER PORTIONS OF THE LEEWARD ISLANDS TODAY...AND OVER PUERTO RICO AND HISPANIOLA TONIGHT INTO SUNDAY. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE