000 ABNT20 KNHC 042331 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT SAT JUN 4 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SHOWER AND THUNDERSTORM ACTIVITY HAS DIMINISHED DURING THE PAST FEW HOURS IN ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE CENTERED ABOUT 125 MILES SOUTH-SOUTHWEST OF JAMAICA. WHILE UPPER-LEVEL WINDS APPEAR FAVORABLE...DRY AIR IN THE MIDDLE LEVELS OF THE ATMOSPHERE APPEARS TO BE LIMITING SHOWER AND THUNDERSTORM DEVELOPMENT NEAR THE DISORGANIZED LOW CENTER. THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT...HEAVY RAINS COULD CAUSE FLASH FLOODING AND MUD SLIDES OVER PORTIONS OF HAITI...THE DOMINICAN REPUBLIC... AND JAMAICA AS THE LOW MOVES VERY LITTLE OVER THE NEXT COUPLE OF DAYS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BRENNAN