000 ABNT20 KNHC 262356 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT SUN AUG 26 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 60 MILES SOUTHWEST OF KEY WEST. SHOWERS AND THUNDERSTORMS CONTINUE NEAR A BROAD AREA OF LOW PRESSURE LOCATED ABOUT 800 MILES WEST-NORTHWEST OF THE CAPE VERDE ISLANDS. WHILE THIS SYSTEM STILL HAS THE POTENTIAL TO BECOME A TROPICAL DEPRESSION OVER THE NEXT DAY OR SO...UPPER-LEVEL WINDS COULD BECOME LESS CONDUCIVE FOR DEVELOPMENT AFTER THAT TIME. THIS LOW HAS A MEDIUM CHANCE...40 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD TO NORTHWESTWARD AT 10 TO 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE