000 ABNT20 KNHC 051748 TWOAT SPECIAL TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 1250 PM EST THU DEC 5 2013 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SHOWER AND THUNDERSTORM ACTIVITY HAS BECOME A LITTLE MORE CONCENTRATED IN ASSOCIATION WITH A NON-TROPICAL AREA OF LOW PRESSURE CENTERED ABOUT 300 MILES SOUTH OF THE AZORES. THIS LOW IS PRODUCING GALE-FORCE WINDS...AND COULD ACQUIRE SOME SUBTROPICAL CHARACTERISTICS BEFORE WEAKENING AS IT BEGINS TO MOVE NORTHWARD ON FRIDAY. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A SUBTROPICAL OR TROPICAL CYCLONE DURING THE NEXT 48 HOURS...AND A MEDIUM CHANCE...30 PERCENT...OF BECOMING A SUBTROPICAL OR TROPICAL CYCLONE DURING THE NEXT FIVE DAYS. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY METEO FRANCE. ANOTHER SPECIAL TROPICAL WEATHER OUTLOOK ON THIS SYSTEM WILL BE ISSUED NEAR 7 AM EST ON FRIDAY DECEMBER 6...OR SOONER IF NECESSARY. && HIGH SEAS FORECASTS ISSUED BY METEO FRANCE CAN BE FOUND UNDER WMO HEADER FQNT50 LFPW. 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 BRENNAN