000 ABNT20 KNHC 181139 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 700 AM EST MON NOV 18 2013 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... DURING THE PAST SEVERAL HOURS...SHOWERS AND THUNDERSTORMS HAVE INCREASED AND BECOME MORE CONCENTRATED NEAR THE WELL-DEFINED CENTER OF A NON-TROPICAL LOW PRESSURE SYSTEM...LOCATED ABOUT 740 MILES EAST-SOUTHEAST OF BERMUDA. SATELLITE AND SHIP DATA INDICATE THAT THIS SYSTEM IS PRODUCING GALE-FORCE WINDS...AND ENVIRONMENTAL CONDITIONS ARE BECOMING MORE CONDUCIVE FOR A SUBTROPICAL OR TROPICAL STORM TO FORM LATER TODAY OR ON TUESDAY. THIS SYSTEM HAS A HIGH CHANCE...90 PERCENT...OF BECOMING A SUBTROPICAL OR TROPICAL CYCLONE DURING THE NEXT 48 HOURS....AND A HIGH CHANCE...90 PERCENT...OF BECOMING A SUBTROPICAL OR TROPICAL CYCLONE DURING THE NEXT 5 DAYS WHILE THE SYSTEM MOVES NORTHWARD TO NORTHWESTWARD AT AROUND 10 MPH. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE. && HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE ARE FOUND UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. FIVE-DAY FORMATION PROBABILITIES ARE EXPERIMENTAL IN 2013. COMMENTS ON THE EXPERIMENTAL FORECASTS CAN BE PROVIDED AT... HTTP://WWW.NWS.NOAA.GOV/SURVEY/NWS-SURVEY.PHP?CODE=ETWO $$ FORECASTER STEWART