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