000 ABNT20 KNHC 311145 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT SUN AUG 31 2008 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON EXTREMELY DANGEROUS HURRICANE GUSTAV...LOCATED OVER THE SOUTHEASTERN GULF OF MEXICO ABOUT 375 MILES SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI RIVER...AND ON TROPICAL STORM HANNA...LOCATED ABOUT 155 MILES NORTHEAST OF GRAND TURK ISLAND. SHOWERS AND THUNDERSTORMS HAVE INCREASED IN ASSOCIATION WITH A WEAK AREA OF LOW PRESSURE LOCATED ABOUT 850 MILES EAST-NORTHEAST OF THE LEEWARD ISLANDS. HOWEVER...UPPER-LEVEL WINDS ARE FORECAST TO REMAIN UNFAVORABLE FOR DEVELOPMENT DURING THE NEXT COUPLE OF DAYS. SHOWER AND THUNDERSTORM ACTIVITY ALSO HAS INCREASED IN ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE LOCATED ABOUT 375 MILES WEST OF THE CAPE VERDE ISLANDS. CONDITIONS APPEAR TO BE CONDUCIVE FOR DEVELOPMENT AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT DAY OR TWO AS THIS SYSTEM MOVES WESTWARD AT 10 TO 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER LANDSEA/BEVEN