000 ABNT20 KNHC 151504 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1130 AM EDT FRI SEP 15 2006 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE GORDON...LOCATED ABOUT 680 MILES EAST OF BERMUDA...AND ON TROPICAL STORM HELENE...LOCATED ABOUT 1355 MILES EAST OF THE LEEWARD ISLANDS. ELSEWHERE...TROPICAL STORM FORMATION IS NOT EXPECTED THROUGH SATURDAY. $$ FORECASTER MAINELLI/BEVEN