000 ABNT20 KNHC 221746 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT MON OCT 22 2012 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER HAS BEGUN ISSUING ADVISORIES ON NEWLY FORMED TROPICAL DEPRESSION EIGHTEEN...LOCATED OVER THE CARIBBEAN SEA ABOUT 325 MILES TO THE SOUTH-SOUTHWEST OF KINGSTON JAMAICA. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A SMALL AREA OF LOW PRESSURE OVER THE CENTRAL ATLANTIC ABOUT 700 MILES EAST-NORTHEAST OF THE LEEWARD ISLANDS CONTINUE TO SHOW SIGNS OF ORGANIZATION...AND THE LOW-LEVEL CIRCULATION IS BECOMING BETTER DEFINED. ENVIRONMENTAL CONDITIONS ARE EXPECTED TO BE CONDUCIVE FOR DEVELOPMENT BEFORE UPPER-LEVEL WINDS BECOME LESS FAVORABLE ON TUESDAY. THIS SYSTEM HAS A HIGH CHANCE...70 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES NORTHWARD AT ABOUT 10 MPH. ELSEWHERE...TROPICAL STORM FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. && PUBLIC ADVISORIES ON TROPICAL DEPRESSION EIGHTEEN ARE ISSUED UNDER WMO HEADER WTNT33 KNHC AND UNDER AWIPS HEADER MIATCPAT3. FORECAST/ADVISORIES ARE ISSUED UNDER WMO HEADER WTNT32 KNHC AND UNDER AWIPS HEADER MIATCMAT3. $$ FORECASTER PASCH