Hurricane Isaac
Public Advisory 20A
588
WTNT34 KNHC 021756
TCPAT4
BULLETIN
TROPICAL STORM ISAAC INTERMEDIATE ADVISORY NUMBER 20A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006
200 PM AST MON OCT 02 2006
...ISAAC APPROACHING SOUTHEASTERN NEWFOUNDLAND...
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE AVALON PENINSULA
IN SOUTHEASTERN NEWFOUNDLAND.
ENVIRONMENT CANADA HAS DISCONTINUED THE TROPICAL STORM WATCH FOR THE
BURIN PENINSULA AND THE BONAVISTA PENINSULA.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 200 PM AST...1800Z...THE CENTER OF TROPICAL STORM ISAAC WAS
LOCATED NEAR LATITUDE 45.0 NORTH...LONGITUDE 53.5 WEST OR ABOUT 120
MILES...190 KM...SOUTH OF CAPE RACE NEWFOUNDLAND.
ISAAC IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 40 MPH...65 KM/HR...
AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24
HOURS. ON THIS TRACK THE CENTER WILL PASS NEAR SOUTHEASTERN
NEWFOUNDLAND LATER THIS AFTERNOON.
MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER
GUSTS. SOME WEAKENING IS FORECAST DURING THE NEXT 24 HOURS. A
CANADIAN BUOY REPORTED SUSTAINED WINDS OF 51 MPH...83 KM/HR WITH A
PEAK WIND GUST TO 65 MPH...104 KM/HR...AS THE CENTER PASSED NEARBY.
ISAAC IS LOSING TROPICAL CHARACTERISTICS AND IS EXPECTED TO BECOME
AN EXTRATROPICAL CYCLONE LATER TODAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM
MAINLY TO THE EAST OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB...29.29 INCHES.
COASTAL STORM SURGE FLOODING OF 2 TO 3 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL.
RAINFALL TOTALS OF 2 TO 3 INCHES WILL BE POSSIBLE OVER SOUTHEASTERN
NEWFOUNDLAND TODAY.
REPEATING THE 200 PM AST POSITION...45.0 N...53.5 W. MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 40 MPH. MAXIMUM SUSTAINED WINDS...60
MPH. MINIMUM CENTRAL PRESSURE...992 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.
$$
FORECASTER BROWN/PASCH
