000 ABNT20 KNHC 181138 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT FRI JUN 18 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A STRONG TROPICAL WAVE MOVING OVER THE LESSER ANTILLES IS PRODUCING A LARGE AREA OF SHOWERS AND THUNDERSTORMS. LOCALLY HEAVY RAINS AND GUSTY WINDS ARE EXPECTED TO SPREAD OVER PORTIONS OF THE LEEWARD ISLANDS...VIRGIN ISLANDS...AND PUERTO RICO OVER THE NEXT DAY OR TWO AS THE SYSTEM MOVES WEST-NORTHWESTWARD AT 15 MPH. UPPER-LEVEL WINDS ARE EXPECTED TO REMAIN UNFAVORABLE FOR DEVELOPMENT...AND 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 ROBERTS/BEVEN