000 ABNT20 KNHC 201935 TWOAT SPECIAL TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 335 PM EDT WED APR 20 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A LOW PRESSURE AREA LOCATED ABOUT 460 MILES NORTHEAST OF SAN JUAN PUERTO RICO HAS DEVELOPED SOME SHOWER AND THUNDERSTORM ACTIVITY NEAR ITS CENTER. IN ADDITION...SATELLITE DATA AND SHIP REPORTS INDICATE GALE-FORCE WINDS ARE OCCURRING NORTH OF THE CENTER. SLOW DEVELOPMENT OF THIS SYSTEM IS POSSIBLE DURING THE COUPLE OF DAYS AS IT MOVES WEST-NORTHWESTWARD AT ABOUT 10 MPH. THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM DEVELOPING INTO A SUBTROPICAL OR TROPICAL CYCLONE BEFORE CONDITIONS BECOME LESS FAVORABLE IN ABOUT 48 HOURS. ADDITIONAL INFORMATION ON THIS LOW CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NHC/TROPICAL ANALYSIS AND FORECAST BRANCH...UNDER AWIPS HEADER NFDHSFAT2 AND WMO HEADER FZNT02 KNHC. ANOTHER SPECIAL OUTLOOK WILL BE ISSUED ON THURSDAY... OR SOONER IF NECESSARY. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BEVEN