000 ABNT20 KNHC 180532 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT THU AUG 18 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A CONCENTRATED AREA OF CLOUDINESS AND SHOWERS ASSOCIATED WITH A TROPICAL WAVE CENTERED ABOUT 130 MILES SOUTH OF JAMAICA CONTINUES TO SHOW SIGNS OF ORGANIZATION. SURFACE PRESSURES ARE BEGINNING TO FALL NEAR THE DISTURBANCE AND THERE IS A POTENTIAL FOR THIS SYSTEM TO BECOME A TROPICAL DEPRESSION BEFORE IT MOVES OVER CENTRAL AMERICA IN A DAY OR TWO. INTERESTS ALONG THE COASTS OF HONDURAS... NICARAGUA...BELIZE...AND EASTERN YUCATAN SHOULD MONITOR THE PROGRESS OF THIS DISTURBANCE. THIS SYSTEM HAS A HIGH CHANCE...70 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES GENERALLY WESTWARD AT 15 TO 20 MPH. A LARGE TROPICAL WAVE LOCATED ABOUT 850 MILES WEST OF THE CAPE VERDE ISLANDS IS PRODUCING LIMITED SHOWER AND THUNDERSTORM ACTIVITY. SIGNIFICANT DEVELOPMENT IS NOT LIKELY DURING THE NEXT COUPLE OF DAYS...HOWEVER...CONDITIONS COULD BECOME MORE CONDUCIVE FOR DEVELOPMENT THEREAFTER. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT 15 TO 20 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER CANGIALOSI