000 ABNT20 KNHC 221149 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT MON AUG 22 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON RECENTLY UPGRADED HURRICANE IRENE LOCATED 55 MILES WEST-NORTHWEST OF SAN JUAN PUERTO RICO...AND ON TROPICAL DEPRESSION HARVEY LOCATED ABOUT 55 MILES SOUTH-SOUTHEAST OF VERACRUZ MEXICO. A LARGE LOW PRESSURE SYSTEM LOCATED ABOUT 500 MILES NORTHWEST OF THE NORTHERNMOST CAPE VERDE ISLANDS CONTINUES TO PRODUCE LIMITED SHOWER ACTIVITY. DEVELOPMENT...IF ANY...OF THIS LOW WOULD BE SLOW TO OCCUR DURING THE NEXT COUPLE OF DAYS AS IT MOVES OVER MARGINALLY WARM WATERS AND ENCOUNTERS MODERATELY STRONG UPPER-LEVEL WINDS. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES NORTHWESTWARD AT 10 TO 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER KIMBERLAIN/WROE