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#222153 (Received by flhurricane at: 7:55 PM 14.Oct.2008) TCPAT5 BULLETIN TROPICAL STORM OMAR INTERMEDIATE ADVISORY NUMBER 6A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL152008 800 PM AST TUE OCT 14 2008 ...OMAR LIKELY TO BECOME A HURRICANE TONIGHT... A HURRICANE WATCH AND A TROPICAL STORM WARNING ARE IN EFFECT FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS. THIS MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE NEXT 24 HOURS...AND THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE NEXT 36 HOURS. A HURRICANE WATCH AND A TROPICAL STORM WARNING ARE ALSO IN EFFECT FOR THE BRITISH VIRGIN ISLANDS AND THE ISLANDS OF ANGUILLA...ST. KITTS...NEVIS...SABA...ST. EUSTATIUS...ST. MAARTEN/MARTIN...AND ST. BARTHELEMY. A TROPICAL STORM WATCH IS IN EFFECT FOR THE ISLAND OF MONTSERRAT. THIS MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE NEXT 36 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 800 PM AST...0000Z...THE CENTER OF TROPICAL STORM OMAR WAS LOCATED NEAR LATITUDE 14.1 NORTH...LONGITUDE 68.3 WEST OR ABOUT 335 MILES...540 KM...SOUTH-SOUTHWEST OF SAN JUAN PUERTO RICO. OMAR IS MOVING TOWARD THE EAST-NORTHEAST NEAR 7 MPH...11 KM/HR. A TURN TO THE NORTHEAST IS FORECAST TO OCCUR LATER TONIGHT OR EARLY WEDNESDAY...WITH A GRADUAL INCREASE IN FORWARD SPEED. ON THE FORECAST TRACK...OMAR WOULD MOVE THROUGH THE NORTHERN LEEWARD ISLANDS WEDNESDAY NIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS...AND OMAR IS EXPECTED TO BECOME A HURRICANE LATER TONIGHT OR ON WEDNESDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM ...MAINLY TO THE EAST AND SOUTH OF THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 980 MB...28.94 INCHES. OMAR IS EXPECTED TO PRODUCE TOTAL RAINFALL AMOUNTS OF 4 TO 8 INCHES OVER PORTIONS OF THE NETHERLANDS ANTILLES...WITH MAXIMUM AMOUNTS OF 12 INCHES POSSIBLE. RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH MAXIMUM AMOUNTS OF 6 INCHES ARE POSSIBLE ACROSS EXTREME NORTHWESTERN AND NORTH-CENTRAL VENEZUELA AND THE NORTHERN GUAJIRA PENINSULA. TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES...WITH MAXIMUM AMOUNTS UP TO 20 INCHES...WILL BE POSSIBLE ACROSS PUERTO RICO AND THE NORTHERN LEEWARD ISLANDS. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. OMAR IS EXPECTED TO PRODUCE LARGE SWELLS THAT WILL AFFECT THE WEST- AND SOUTH-FACING COASTS OF ALL OF THE ISLANDS OF THE LESSER ANTILLES. THESE SWELLS COULD CAUSE BEACH EROSION AND DAMAGE TO COASTAL STRUCTURES. REPEATING THE 800 PM AST POSITION...14.1 N...68.3 W. MOVEMENT TOWARD...EAST-NORTHEAST NEAR 7 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...980 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM AST. $$ FORECASTER FRANKLIN |