000 ABNT20 KNHC 271801 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT MON AUG 27 2012 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM ISAAC...LOCATED ABOUT 255 MILES SOUTH-SOUTHWEST OF APALACHICOLA FLORIDA. A BROAD AREA OF LOW PRESSURE LOCATED ABOUT 1100 MILES WEST-NORTHWEST OF THE CAPE VERDE ISLANDS CONTINUES TO PRODUCING SHOWERS AND THUNDERSTORMS TO THE NORTH OF THE CENTER. UPPER-LEVEL WINDS ARE FORECAST TO BECOME LESS FAVORABLE FOR DEVELOPMENT DURING THE NEXT DAY OR TWO AS THE LOW MOVES WEST-NORTHWESTWARD TO NORTHWESTWARD AT 10 TO 15 MPH. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. A TROPICAL WAVE LOCATED NEAR THE CAPE VERDE ISLANDS IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. ENVIRONMENTAL CONDITIONS ARE CONDUCIVE FOR SOME GRADUAL DEVELOPMENT OF THIS WAVE DURING THE NEXT COUPLE OF DAYS. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT 10 TO 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER CANGIALOSI