000 ABNT20 KNHC 182330 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT SUN JUL 18 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A TROPICAL WAVE IN THE VICINITY OF THE LEEWARD ISLANDS CONTINUES TO PRODUCE DISORGANIZED SHOWERS AND THUNDERSTORMS. ALTHOUGH SURFACE PRESSURES HAVE FALLEN SLIGHTLY OVER THE AREA...ANY DEVELOPMENT OF THIS DISTURBANCE IS LIKELY TO BE SLOW TO OCCUR AS IT MOVES WEST- NORTHWESTWARD AT ABOUT 15 MPH. THERE IS A LOW CHANCE...10 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT...GUSTY WINDS AND LOCALLY HEAVY RAINFALL ASSOCIATED WITH THIS SYSTEM COULD AFFECT THE LEEWARD ISLANDS...THE VIRGIN ISLANDS...PUERTO RICO...THE DOMINICAN REPUBLIC...HAITI...AND THE TURKS AND CAICOS ISLANDS DURING THE NEXT COUPLE OF DAYS. ANOTHER TROPICAL WAVE IS PRODUCING SHOWERS AND THUNDERSTORMS OVER PORTIONS OF THE CENTRAL CARIBBEAN SEA. THERE ARE NO SIGNS OF A SURFACE CIRCULATION IN THIS AREA AND DEVELOPMENT...IF ANY...OF THIS DISTURBANCE SHOULD BE SLOW TO OCCUR AS IT MOVES GENERALLY WESTWARD AT 10 TO 15 MPH. THERE IS A LOW CHANCE...10 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 PASCH