000 ABNT20 KNHC 182336 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 700 PM EST FRI NOV 18 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A LARGE AND ELONGATED AREA OF CLOUDINESS AND SHOWERS CONTINUES OVER THE CENTRAL ATLANTIC OCEAN APPROXIMATELY 800 MILES EAST AND NORTHEAST OF THE LEEWARD ISLANDS. THIS ACTIVITY IS ASSOCIATED WITH THE INTERACTION BETWEEN A SURFACE TROUGH...A TROPICAL WAVE...AND AN UPPER-LEVEL LOW. SLOW DEVELOPMENT IS POSSIBLE AS THIS SYSTEM DRIFTS GENERALLY NORTHWARD OVER THE NEXT COUPLE OF DAYS...AND IT HAS A LOW CHANCE...20 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 BEVEN