000 WTNT35 KNHC 161200 TCPAT5 BULLETIN HURRICANE OMAR INTERMEDIATE ADVISORY NUMBER 12A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL152008 800 AM AST THU OCT 16 2008 ...OMAR MOVING RAPIDLY AWAY FROM THE NORTHERN LEEWARD ISLANDS... ...ALL WARNINGS AND WATCHES HAVE BEEN DISCONTINUED FOR REMAINDER OF THE LEEWARD ISLANDS... AT 800 AM AST...1200 UTC...THE GOVERNMENTS OF ANTIGUA AND BARBUDA... THE NETHERLANDS ANTILLES...AND FRANCE HAVE DISCONTINUED ALL TROPICAL CYCLONE WARNINGS AND WATCHES FOR ST. KITTS...NEVIS....ANTIGUA AND BARBUDA...ST. MARTIN/MAARTEN...ST. EUSTATIUS...ST. BARTHELEMY... SABA...ANGUILLA...AND MONTSERRAT. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 800 AM AST...1200Z...THE CENTER OF HURRICANE OMAR WAS LOCATED NEAR LATITUDE 20.3 NORTH...LONGITUDE 62.4 WEST OR ABOUT 160 MILES... 260 KM...NORTH-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS. OMAR IS MOVING TOWARD THE NORTHEAST NEAR 29 MPH...46 KM/HR...AWAY FROM THE NORTHERN LEEWARD ISLANDS. THIS MOTION WITH A GRADUAL INCREASE IN FORWARD SPEED IS EXPECTED TO CONTINUE DURING THE NEXT 24 TO 48 HOURS. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 115 MPH...185 KM/HR...WITH HIGHER GUSTS. ALTHOUGH OMAR IS STILL A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON SCALE...ADDITIONAL WEAKENING IS EXPECTED DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 967 MB...28.56 INCHES. OMAR IS EXPECTED TO PRODUCE TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES...WITH MAXIMUM AMOUNTS UP TO 20 INCHES...ACROSS THE NORTHERN LEEWARD ISLANDS. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. COASTAL STORM SURGE FLOODING ALONG THE SOUTH- AND WEST-FACING COASTS OF THE NORTHERN LEEWARD ISLANDS WILL SUBSIDE LATER THIS MORNING. HOWEVER...LARGE SWELLS MAY CONTINUE TO AFFECT THESE COASTAL ISLANDS TODAY. REPEATING THE 800 AM AST POSITION...20.3 N...62.4 W. MOVEMENT TOWARD...NORTHEAST NEAR 29 MPH. MAXIMUM SUSTAINED WINDS...115 MPH. MINIMUM CENTRAL PRESSURE...967 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM AST. $$ FORECASTER STEWART | |
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