000 ABNT20 KNHC 310542 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SUN JUL 31 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SATELLITE IMAGES AND BUOY DATA INDICATE THAT THE LARGE LOW PRESSURE SYSTEM CENTERED ABOUT 675 MILES EAST OF THE LESSER ANTILLES IS CONTINUING TO BECOME BETTER ORGANIZED...AND IT COULD BE CLOSE TO BECOMING A TROPICAL DEPRESSION. THIS SYSTEM HAS A HIGH CHANCE... NEAR 100 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD NEAR 15 MPH. TROPICAL CYCLONE WATCHES OR WARNINGS WOULD LIKELY BE REQUIRED FOR PARTS OF THE LESSER ANTILLES IF THE LOW BECOMES A TROPICAL CYCLONE LATER TODAY...AND INTERESTS IN THESE AREAS SHOULD CLOSELY MONITOR THE PROGRESS OF THIS SYSTEM. AN AIR FORCE HURRICANE HUNTER AIRCRAFT IS SCHEDULED TO INVESTIGATE THIS DISTURBANCE LATER THIS AFTERNOON. A TROPICAL WAVE IS PRODUCING A LARGE BUT DISORGANIZED AREA OF SHOWERS AND THUNDERSTORMS OVER THE WESTERN CARIBBEAN SEA. THIS ACTIVITY IS EXPECTED TO SPREAD OVER CENTRAL AMERICA AND THE YUCATAN PENINSULA DURING THE DAY...BUT DEVELOPMENT IS NOT ANTICIPATED DUE TO INTERACTION WITH LAND. THIS SYSTEM HAS A LOW CHANCE...NEAR 0 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BERG