000 ABNT20 KNHC 101143 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT TUE AUG 10 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SATELLITE IMAGES INDICATE THAT THE SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH A LOW PRESSURE SYSTEM LOCATED ABOUT 820 MILES EAST-NORTHEAST OF THE LEEWARDS ISLANDS HAS NOT BECOME ANY BETTER ORGANIZED SINCE YESTERDAY. THE LOW HAS SLOWED DOWN AND IS EXPECTED TO MOVE NORTH-NORTHWESTWARD OR NORTHWARD TOWARD AN ENVIRONMENT A LITTLE LESS FAVORABLE FOR DEVELOPMENT. HOWEVER... THERE IS STILL A HIGH CHANCE...60 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. A LOW PRESSURE SYSTEM LOCATED OVER THE SOUTHEASTERN GULF OF MEXICO...A LITTLE LESS THAN 100 MILES WEST OF SOUTHWEST COAST OF THE FLORIDA PENINSULA...IS ACCOMPANIED BY A LARGE AREA OF SHOWERS AND SQUALLS. ALTHOUGH THERE HAS BEEN LITTLE CHANGE IN ORGANIZATION DURING THE PAST SEVERAL HOURS...UPPER-LEVEL WINDS ARE FORECAST TO BECOME A LITTLE MORE CONDUCIVE FOR DEVELOPMENT. THERE IS A HIGH CHANCE...60 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL OR SUBTROPICAL CYCLONE DURING THE NEXT 48 HOURS AS THE LOW MOVES WEST-NORTHWESTWARD AT 5 TO 10 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER AVILA