BULLETIN
HURRICANE BERTHA INTERMEDIATE ADVISORY NUMBER 39A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
800 PM AST SAT JUL 12 2008
...CATEGORY ONE BERTHA SITTING STATIONARY SOUTHEAST OF BERMUDA...
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR BERMUDA.
AT 800 PM AST...0000Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 29.9 NORTH...LONGITUDE 62.5 WEST OR ABOUT 215 MILES...
345 KM...SOUTHEAST OF BERMUDA.
BERTHA HAS BEEN NEARLY STATIONARY DURING THE DAY...BUT IS EXPECTED
TO RESUME A NORTHWARD DRIFT LATER TONIGHT OR ON SUNDAY THAT IS
FORECAST TO CONTINUE ON MONDAY. ON THIS TRACK...THE CENTER OF
BERTHA WILL BE VERY SLOWLY PASSING SOUTHEAST AND EAST OF BERMUDA
DURING THE NEXT COUPLE OF DAYS...BUT THE MOTION COULD OCCASIONALLY
BE ERRATIC.
MAXIMUM SUSTAINED WINDS ARE ESTIMATED TO BE NEAR 75 MPH...120
KM/HR...WITH HIGHER GUSTS. BERTHA IS A CATEGORY ONE HURRICANE ON
THE SAFFIR-SIMPSON SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST
DURING THE NEXT COUPLE OF DAYS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON EARLIER AIRCRAFT
DATA IS 984 MB...29.06 INCHES.
LARGE SWELLS AND HIGH SURF ARE AFFECTING BERMUDA...AND THESE
CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT COUPLE OF DAYS.
THE OUTER BANDS OF BERTHA ARE EXPECTED TO PRODUCE RAINFALL AMOUNTS
IN BERMUDA OF 1 TO 2 INCHES DURING THE NEXT TWO DAYS.
REPEATING THE 800 PM AST POSITION...29.9 N...62.5 W.
MOVEMENT...STATIONARY. MAXIMUM SUSTAINED WINDS...75 MPH.
MINIMUM CENTRAL PRESSURE...984 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.
FORECASTER KNABB
This information is provided as a public service from the
National Hurricane Center
http://www.nhc.noaa.gov
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