BULLETIN<br>
TROPICAL STORM ISAAC ADVISORY NUMBER  21<br>
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092006<br>
500 PM AST MON OCT 02 2006<br>
<br>
...ISAAC BECOMING EXTRATROPICAL AFTER PASSING NEAR SOUTHEASTERN  <br>
   NEWFOUNDLAND...<br>
<br>
ENVIRONMENT CANADA IS DISCONTINUING THE TROPICAL STORM WARNING FOR<br>
THE AVALON PENINSULA OF SOUTHEASTERN NEWFOUNDLAND.<br>
 <br>
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE<br>
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED<br>
BY YOUR LOCAL WEATHER OFFICE.<br>
<br>
SATELLITE IMAGES AND SURFACE OBSERVATIONS INDICATE THAT ISAAC IS<br>
LOSING TROPICAL CHARACTERISTICS AS IT HEADS FOR THE FAR NORTH<br>
ATLANTIC.<br>
 <br>
AT 500 PM AST...2100Z...THE CENTER OF ISAAC WAS LOCATED NEAR<br>
LATITUDE 47.1 NORTH...LONGITUDE 52.2 WEST OR ABOUT 50 MILES...<br>
80 KM...EAST-NORTHEAST OF CAPE RACE NEWFOUNDLAND.<br>
 <br>
ISAAC IS MOVING TOWARD THE NORTHEAST NEAR 40 MPH...65 KM/HR...<br>
A TURN TO THE EAST-NORTHEAST IS FORECAST DURING THE NEXT 24 HOURS.<br>
<br>
MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER<br>
GUSTS.  SOME WEAKENING IS FORECAST DURING THE NEXT 24 HOURS.<br>
 <br>
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM<br>
FROM THE CENTER.<br>
 <br>
ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB...29.29 INCHES.<br>
 <br>
REPEATING THE 500 PM AST POSITION...47.1 N...52.2 W.  MOVEMENT<br>
TOWARD...NORTHEAST NEAR 40 MPH.  MAXIMUM SUSTAINED WINDS...60 MPH.<br>
MINIMUM CENTRAL PRESSURE...992 MB.<br>
 <br>
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE<br>
CENTER ON ISAAC.  ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE<br>
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER<br>
SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC.<br>
 <br>
$$<br>