000 ABNT20 KNHC 212339 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 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 1165 MILES EAST OF THE LEEWARD ISLANDS. SHOWERS AND THUNDERSTORMS ACTIVITY ASSOCIATED WITH A SMALL AREA OF LOW PRESSURE LOCATED NEAR THE VIRGIN ISLANDS IS CURRENTLY MINIMAL. SURFACE PRESSURES ARE NOT FALLING IN THE AREA...AND UPPER-LEVEL WINDS ARE NOT CONDUCIVE FOR DEVELOPMENT. THIS SYSTEM HAS A LOW CHANCE...NEAR 0 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES GENERALLY WEST-NORTHWESTWARD 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 BEVEN