000 ABNT20 KNHC 311156 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT TUE AUG 31 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE EARL...LOCATED ABOUT 190 MILES NORTH-NORTHWEST OF SAN JUAN PUERTO RICO...AND ON TROPICAL STORM FIONA...LOCATED ABOUT 500 MILES EAST OF THE LEEWARD ISLANDS. A BROAD AREA OF LOW PRESSURE LOCATED ABOUT 400 MILES SOUTHWEST OF THE CAPE VERDE ISLANDS IS PRODUCING SOME SHOWER AND THUNDERSTORM ACTIVITY. DEVELOPMENT OF THIS SYSTEM...IF ANY...IS EXPECTED TO BE SLOW TO OCCUR AS IT MOVES WESTWARD NEAR 15 MPH. THERE IS A LOW CHANCE...10 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. PUBLIC ADVISORIES ON FIONA ARE ISSUED UNDER WMO HEADER WTNT33 KNHC AND UNDER AWIPS HEADER MIATCPAT3. FORECAST/ADVISORIES ON FIONA ARE ISSUED UNDER WMO HEADER WTNT23 KNHC AND UNDER AWIPS HEADER MIATCMAT3. $$ FORECASTER BERG