000 WTNT32 KNHC 270844 TCPAT2 BULLETIN TROPICAL STORM KAREN ADVISORY NUMBER 10 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL122007 500 AM AST THU SEP 27 2007 ...KAREN WEAKENS SLIGHTLY OVER THE OPEN WATERS OF THE CENTRAL ATLANTIC... AT 500 AM AST...0900Z...THE CENTER OF TROPICAL STORM KAREN WAS LOCATED NEAR LATITUDE 13.6 NORTH...LONGITUDE 46.6 WEST OR ABOUT 970 MILES...1560 KM...EAST OF THE WINDWARD ISLANDS. KAREN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. KAREN IS CURRENTLY IN AN AREA OF UNFAVORABLE UPPER-LEVEL WINDS...AND SOME FURTHER WEAKENING IS FORECAST DURING THE NEXT 24 HOURS. CURRENT REPORTS FROM NOAA BUOY 41041 AND PREVIOUS REPORTS FROM THE STEPPED FREQUENCY MICROWAVE RADIOMETER SHOW THAT KAREN IS A VERY LARGE TROPICAL CYCLONE. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES. REPEATING THE 500 AM AST POSITION...13.6 N...46.6 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...65 MPH. MINIMUM CENTRAL PRESSURE...998 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM AST. $$ FORECASTER MAINELLI