000 ABNT20 KNHC 211152 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT MON JUN 21 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A LARGE AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS OVER THE EASTERN CARIBBEAN SEA IS ASSOCIATED WITH A WESTWARD-MOVING TROPICAL WAVE. ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR GRADUAL DEVELOPMENT OF THIS SYSTEM DURING THE NEXT COUPLE OF DAYS. THIS WAVE COULD PRODUCE LOCALLY HEAVY RAINFALL AND GUSTY WINDS OVER PORTIONS OF NORTHERN VENEZUELA...THE LESSER ANTILLES...THE VIRGIN ISLANDS...PUERTO RICO...THE DOMINICAN REPUBLIC...AND HAITI OVER THE NEXT DAY OR SO. THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BROWN