000
WTNT32 KNHC 112348
TCPAT2
BULLETIN
HURRICANE BERTHA INTERMEDIATE ADVISORY NUMBER  35A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL022008
800 PM AST FRI JUL 11 2008
 
...CATEGORY ONE HURRICANE BERTHA STILL SOUTHEAST OF BERMUDA AND
CRAWLING NORTH-NORTHWESTWARD...
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR BERMUDA.
 
AT 800 PM AST...0000Z...THE LARGE EYE OF HURRICANE BERTHA WAS
CENTERED NEAR LATITUDE 29.3 NORTH...LONGITUDE 62.3 WEST OR ABOUT
250 MILES...400 KM...SOUTHEAST OF BERMUDA.
 
BERTHA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 5 MPH...7 KM/HR.  A
GRADUAL TURN TOWARD THE NORTH IS EXPECTED TONIGHT AND SATURDAY...
FOLLOWED BY A CONTINUED SLOW MOTION TOWARD THE NORTH OR
NORTH-NORTHEAST ON SUNDAY.  ON THIS TRACK...THE CENTER OF BERTHA IS
EXPECTED TO SLOWLY PASS TO THE SOUTHEAST AND EAST OF BERMUDA DURING
THE NEXT COUPLE OF DAYS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/HR...WITH HIGHER
GUSTS.  BERTHA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  NO SIGNIFICANT CHANGE IN STRENGTH IS ANTICIPATED 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.  IT IS POSSIBLE THAT BERTHA COULD COME CLOSE ENOUGH
TO BERMUDA WITHIN THE NEXT COUPLE OF DAYS TO BRING WINDS OF
TROPICAL STORM FORCE TO THAT ISLAND AND ADJACENT WATERS.

ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON EARLIER AIRCRAFT DATA IS
976 MB...28.82 INCHES.
 
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...29.3 N...62.3 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR 5 MPH.  MAXIMUM SUSTAINED WINDS...90
MPH.  MINIMUM CENTRAL PRESSURE...976 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.
 
$$
FORECASTER KNABB