000 WTNT35 KNHC 180833 TCPAT5 BULLETIN TROPICAL STORM OMAR ADVISORY NUMBER 20 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL152008 500 AM AST SAT OCT 18 2008 ...OMAR GRADUALLY WEAKENING OVER THE OPEN ATLANTIC OCEAN... AT 500 AM AST...0900Z...THE CENTER OF TROPICAL STORM OMAR WAS LOCATED NEAR LATITUDE 32.9 NORTH...LONGITUDE 51.5 WEST OR ABOUT 775 MILES...1245 KM...EAST OF BERMUDA AND ABOUT 1420 MILES...2285 KM... WEST OF THE AZORES. OMAR IS MOVING TOWARD THE NORTHEAST NEAR 16 MPH...26 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES. REPEATING THE 500 AM AST POSITION...32.9 N...51.5 W. MOVEMENT TOWARD...NORTHEAST NEAR 16 MPH. MAXIMUM SUSTAINED WINDS...60 MPH. MINIMUM CENTRAL PRESSURE...991 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM AST. $$ FORECASTER STEWART