000 ABNT20 KNHC 171133 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT SAT SEP 17 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A BROAD LOW PRESSURE SYSTEM LOCATED ABOUT 400 MILES SOUTHEAST OF THE SOUTHERN CAPE VERDE ISLANDS IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. SOME SLOW DEVELOPMENT OF THIS LOW IS POSSIBLE DURING THE NEXT COUPLE OF DAYS AS IT MOVES WESTWARD AT 10 TO 15 MPH. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER CANGIALOSI