000 ABNT20 KNHC 191752 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT TUE JUN 19 2012 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SHOWERS AND THUNDERSTORMS HAVE BECOME A LITTLE BETTER ORGANIZED WITH THE LOW PRESSURE SYSTEM LOCATED ABOUT 460 MILES SOUTHEAST OF HALIFAX NOVA SCOTIA. ALTHOUGH THE THUNDERSTORM ACTIVITY IS CURRENTLY LIMITED IN EXTENT...THIS SYSTEM HAS THE POTENTIAL TO DEVELOP INTO A TROPICAL CYCLONE BEFORE IT ENCOUNTERS COOLER WATERS AND A MORE STABLE ATMOSPHERE IN A DAY OR SO. THIS SYSTEM HAS A MEDIUM CHANCE...50 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES EAST-NORTHEASTWARD AT 10 TO 15 MPH. FOR ADDITIONAL INFORMATION ON THIS SYSTEM...PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE OCEAN PREDICTION CENTER. A LARGE AREA OF CLOUDINESS...SHOWERS...AND THUNDERSTORMS OVER THE NORTHWESTERN CARIBBEAN SEA EXTENDING NORTHWARD ACROSS THE STRAITS OF FLORIDA AND THE BAHAMAS IS ASSOCIATED WITH A SURFACE TROUGH. ALTHOUGH UPPER-LEVEL CONDITIONS ARE NOT EXPECTED TO BE PARTICULARLY CONDUCIVE FOR DEVELOPMENT OF THIS SYSTEM...AREAS OF HEAVY RAINFALL ARE LIKELY DURING THE NEXT COUPLE OF DAYS OVER THE CAYMAN ISLANDS...CUBA...THE BAHAMAS...AND SOUTHERN FLORIDA. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES NORTHWESTWARD AT 5 TO 10 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. && HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE CAN BE FOUND UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER BROWN/FRANKLIN