000 ABNT20 KNHC 211733 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT WED SEP 21 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM OPHELIA...LOCATED ABOUT 1245 MILES EAST OF THE LEEWARD ISLANDS. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A SMALL AREA OF LOW PRESSURE LOCATED OVER THE NORTHERN LEEWARD ISLANDS HAVE DIMINISHED. DEVELOPMENT OF THIS LOW IS NOT EXPECTED...AND THE SYSTEM HAS A LOW CHANCE...NEAR 0 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT CONTINUES WESTWARD AT 15 TO 20 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. PUBLIC ADVISORIES ON OPHELIA ARE ISSUED UNDER WMO HEADER WTNT31 KNHC AND UNDER AWIPS HEADER MIATCPAT1. FORECAST/ADVISORIES ON OPHELIA ARE ISSUED UNDER WMO HEADER WTNT21 KNHC AND UNDER AWIPS HEADER MIATCMAT1. $$ FORECASTER PASCH