000 ABNT20 KNHC 062331 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT MON JUN 6 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A LARGE LOW PRESSURE SYSTEM WITH ASSOCIATED WIDESPREAD SHOWERS AND THUNDERSTORMS IS LOCATED OVER THE NORTHWESTERN CARIBBEAN SEA ABOUT 125 MILES SOUTH-SOUTHWEST OF GRAND CAYMAN. THERE HAS BEEN LITTLE CHANGE OF THIS SYSTEM DURING THE LAST SEVERAL HOURS...AND UPPER- LEVEL WINDS ARE EXPECTED TO BECOME UNFAVORABLE FOR DEVELOPMENT BY TOMORROW. THERE IS A MEDIUM CHANCE...40 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE THE SYSTEM TOMORROW AFTERNOON...IF NECESSARY. REGARDLESS OF DEVELOPMENT...HEAVY RAINS COULD CAUSE FLASH FLOODS AND MUD SLIDES OVER PORTIONS OF HAITI...DOMINICAN REPUBLIC...JAMAICA...AND CUBA AS THE SYSTEM MOVES SLOWLY TOWARD THE NORTHWEST OR NORTH DURING THE NEXT COUPLE OF DAYS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER LANDSEA/KIMBERLAIN