000 ABNT20 KNHC 091137 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT MON AUG 9 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A WELL-DEFINED LOW PRESSURE SYSTEM LOCATED ABOUT 950 MILES EAST-NORTHEAST OF THE LEEWARD ISLANDS IS MOVING WEST-NORTHWESTWARD AT 10 TO 15 MPH. SHOWER AND THUNDERSTORM ACTIVITY HAS RECENTLY DEVELOPED CLOSER TO THE CENTER...AND ANY SIGNIFICANT ORGANIZATION OF THE THUNDERSTORMS DURING THE NEXT COUPLE OF DAYS COULD RESULT IN THE FORMATION OF A TROPICAL DEPRESSION. THERE IS A HIGH CHANCE...70 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. A BROAD SURFACE LOW OVER SOUTHERN FLORIDA IS PRODUCING A LARGE AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS OVER THE NORTHWESTERN BAHAMAS ACROSS THE FLORIDA KEYS INTO THE SOUTHEASTERN GULF OF MEXICO. UPPER-LEVEL WINDS ARE FORECAST TO BECOME MORE FAVORABLE FOR DEVELOPMENT OVER THE NEXT COUPLE OF DAYS AS THE SYSTEM MOVES TO THE WEST OR WEST-NORTHWEST AT 5 TO 10 MPH OVER THE GULF OF MEXICO. THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS...THOUGH CONDITIONS COULD BECOME A LITTLE MORE CONDUCIVE FOR DEVELOPMENT AFTER THAT TIME. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE