000 ABNT20 KNHC 282109 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 530 PM EDT THU SEP 28 2006 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM ISAAC... LOCATED ABOUT 635 MILES EAST-SOUTHEAST OF BERMUDA. A SMALL AREA OF LOW PRESSURE IS CENTERED JUST NORTHEAST OF THE NORTHERNMOST LEEWARD ISLANDS. THE ASSOCIATED SHOWER AND THUNDERSTORM ACTIVITY HAS DIMINISHED THIS AFTERNOON AND SIGNIFICANT DEVELOPMENT OF THIS SYSTEM IS NOT EXPECTED AS IT MOVES WEST-NORTHWESTWARD. REGARDLESS OF DEVELOPMENT...SOME SHOWERS WILL LIKELY SPREAD ACROSS THE PORTIONS OF THE NORTHERN LEEWARD ISLANDS...THE VIRGIN ISLANDS...AND PUERTO RICO DURING THE NEXT COUPLE OF DAYS. ELSEWHERE...TROPICAL STORM FORMATION IS NOT EXPECTED THROUGH FRIDAY. $$ FORECASTER BROWN/KNABB