000 ABNT20 KNHC 181733 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 100 PM EST FRI NOV 18 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A LARGE AREA OF CLOUDINESS AND SHOWERS OVER THE CENTRAL ATLANTIC OCEAN APPROXIMATELY 800 MILES EAST AND NORTHEAST OF THE LEEWARD ISLANDS IS ASSOCIATED WITH THE INTERACTION BETWEEN A SURFACE TROUGH...A TROPICAL WAVE...AND AN UPPER-LEVEL LOW. SOME SLOW DEVELOPMENT IS POSSIBLE AS THIS SYSTEM DRIFTS GENERALLY NORTHWARD OVER THE NEXT COUPLE OF DAYS...AND IT HAS A LOW CHANCE...10 PERCENT...OF BECOMING A SUBTROPICAL OR TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER ROBERTS/BERG