000 ABNT20 KNHC 311142 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT SUN JUL 31 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SATELLITE IMAGES AND NOAA BUOY DATA INDICATE THAT THE LARGE AND ELONGATED LOW PRESSURE SYSTEM CENTERED ABOUT 650 MILES EAST OF THE NORTHERN WINDWARD ISLANDS CONTINUES TO BECOME BETTER ORGANIZED...AND IT COULD DEVELOP INTO A TROPICAL DEPRESSION AT ANY TIME. THIS SYSTEM HAS A HIGH CHANCE...NEAR 100 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 24 TO 48 HOURS AS IT MOVES WEST-NORTHWESTWARD NEAR 15 MPH. IF THE LOW BECOMES A TROPICAL CYCLONE LATER TODAY...TROPICAL STORM WATCHES OR WARNINGS WOULD LIKELY BE REQUIRED FOR PORTIONS OF THE NORTHERN WINDWARD ISLANDS AND THE LEEWARD ISLANDS. INTERESTS IN THESE AREAS SHOULD CLOSELY MONITOR THE PROGRESS OF THIS SYSTEM. AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE THIS DISTURBANCE LATER THIS AFTERNOON. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART