[Tropical] Public Tropical Cyclone Advisory

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WTNT34 KNHC 020252
TCPAT4
BULLETIN
HURRICANE ISAAC ADVISORY NUMBER  18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092006
1100 PM AST SUN OCT 01 2006

...ISAAC WEAKENS SLIGHTLY AS IT ACCELERATES TOWARD NEWFOUNDLAND...

A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE AVALON PENINSULA
OF NEWFOUNDLAND...WHICH INCLUDES CAPE RACE AND THE CITY OF ST.
JOHNS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.

AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE ISAAC WAS LOCATED
NEAR LATITUDE 38.6 NORTH...LONGITUDE 58.8 WEST OR ABOUT 630 MILES...
1015 KM...SOUTH-SOUTHWEST OF CAPE RACE NEWFOUNDLAND.

ISAAC IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 26 MPH...43 KM/HR...
AND A TURN TOWARD THE NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS
EXPECTED DURING THE NEXT 24 HOURS. ON THIS TRACK...THE CENTER OF
ISAAC IS EXPECTED TO MOVE OVER OR NEAR NEWFOUNDLAND CANADA LATE
TOMORROW.  HOWEVER...WINDS OF TROPICAL STORM FORCE COULD BEGIN
WITHIN THE WATCH AREA WELL IN ADVANCE OF THE CENTER.

MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER
GUSTS.  ISAAC IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  GRADUAL WEAKENING IS FORECAST DURING THE NEXT 24 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM...MAINLY NORTH AND EAST OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES.

REPEATING THE 1100 PM AST POSITION...38.6 N...58.8 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 26 MPH.  MAXIMUM SUSTAINED WINDS...75
MPH.  MINIMUM CENTRAL PRESSURE...989 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
AM AST.

$$
FORECASTER RHOME/KNABB
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