000 ABNT20 KNHC 211143 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT FRI OCT 21 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A NEARLY STATIONARY AREA OF LOW PRESSURE LOCATED OVER THE WESTERN CARIBBEAN SEA BETWEEN NICARAGUA AND JAMAICA IS PRODUCING A LARGE AREA OF CLOUDINESS AND THUNDERSTORMS. SURFACE PRESSURES ARE FALLING AND UPPER-LEVEL WINDS ARE EXPECTED TO BECOME MORE FAVORABLE FOR DEVELOPMENT. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT... OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. A LARGE AREA OF DISTURBED WEATHER LOCATED A COUPLE HUNDRED MILES SOUTHEAST OF THE WINDWARD ISLANDS REMAINS DISORGANIZED. ALTHOUGH SURFACE PRESSURES ARE FALLING...DEVELOPMENT...IF ANY...WILL BE SLOW TO OCCUR. THIS SYSTEM HAS A LOW CHANCE...NEAR 10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT...CLOUDINESS AND HEAVY RAINS WILL LIKELY SPREAD OVER NORTHERN VENEZUELA AND THE SOUTHERN WINDWARD ISLANDS DURING THE NEXT FEW DAYS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER AVILA/BLAKE