000 ABNT20 KNHC 221224 TWOAT SPECIAL TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 825 AM EDT THU JUL 22 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SPECIAL OUTLOOK ISSUED TO UPDATE THE DISTURBANCE IN THE SOUTHEAST BAHAMAS. VISIBLE SATELLITE IMAGES AND OBSERVATIONS FROM THE BAHAMAS INDICATE THAT THE AREA OF LOW PRESSURE IN THE SOUTHEASTERN BAHAMAS HAS BECOME BETTER ORGANIZED AND A CLOSED CIRCULATION HAS FORMED. ADVISORIES ON A TROPICAL DEPRESSION OR A TROPICAL STORM WILL BE INITIATED AT 11 AM EDT...1500 UTC TODAY. THIS ADVISORY WILL LIKELY INCLUDE TROPICAL STORM WATCHES AND WARNINGS FOR PORTIONS OF THE BAHAMAS AND SOUTHERN FLORIDA. AN AREA OF SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A BROAD AREA OF LOW PRESSURE IN THE BAY OF CAMPECHE CONTINUES TO SHOW SIGNS OF ORGANIZATION. ENVIRONMENTAL CONDITIONS APPEAR TO BE CONDUCIVE FOR SOME DEVELOPMENT OF THE LOW AS IT MOVES WESTWARD OR WEST- NORTHWESTWARD AT 10 TO 15 MPH. THERE IS A MEDIUM CHANCE...50 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE BEFORE IT REACHES THE COAST OF MEXICO IN A DAY OR TWO. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER AVILA/ROBERTS