000 ABNT20 KNHC 150513 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT TUE JUN 15 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A LOW PRESSURE SYSTEM LOCATED ABOUT 1150 MILES EAST OF THE LESSER ANTILLES HAS BECOME A LITTLE BETTER ORGANIZED DURING THE PAST SEVERAL HOURS. ENVIRONMENTAL CONDITIONS ARE EXPECTED TO REMAIN MARGINALLY FAVORABLE FOR THIS SYSTEM TO BECOME A TROPICAL DEPRESSION TODAY BEFORE UPPER-LEVEL WINDS BECOME LESS FAVORABLE ON WEDNESDAY. THERE IS A MEDIUM CHANCE...50 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WEST-NORTHWESTWARD TO NORTHWESTWARD AT ABOUT 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART/BLAKE