TROPICAL STORM BERTHA ADVISORY NUMBER 61
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
500 AM AST FRI JUL 18 2008

...TENACIOUS BERTHA REFUSES TO WEAKEN...

AT 500 AM AST...0900Z...THE CENTER OF TROPICAL STORM BERTHA WAS
LOCATED NEAR LATITUDE 34.8 NORTH...LONGITUDE 53.7 WEST OR ABOUT 825
MILES...1325 KM...SOUTH OF CAPE RACE NEWFOUNDLAND.

BERTHA IS MOVING TOWARD THE NORTHEAST NEAR 17 MPH...28 KM/HR.
THIS MOTION IS EXPECTED TO CONTINUE WITH A GRADUAL INCREASE IN
FORWARD SPEED DURING THE NEXT 24 TO 48 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24
HOURS BUT BERTHA SHOULD BECOME EXTRATROPICAL BY SUNDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 997 MB...29.44 INCHES.

REPEATING THE 500 AM AST POSITION...34.8 N...53.7 W. MOVEMENT
TOWARD...NORTHEAST NEAR 17 MPH. MAXIMUM SUSTAINED WINDS...60 MPH.
MINIMUM CENTRAL PRESSURE...997 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.