000 ABNT20 KNHC 051133 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT MON SEP 5 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE KATIA...LOCATED ABOUT 605 MILES SOUTH-SOUTHEAST OF BERMUDA. A VIGOROUS TROPICAL WAVE LOCATED ABOUT 500 MILES SOUTHWEST OF THE CAPE VERDE ISLANDS IS PRODUCING A LARGE AREA OF CLOUDINESS AND THUNDERSTORMS. ENVIRONMENTAL CONDITIONS ARE CONDUCIVE FOR SOME DEVELOPMENT OF THIS SYSTEM OVER THE NEXT FEW DAYS AS IT MOVES WESTWARD AT ABOUT 15 MPH. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART