Post by NHC Olney Maryland on Jul 9, 2008 23:58:32 GMT -5
BULLETIN
HURRICANE BERTHA ADVISORY NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
1100 PM AST WED JUL 09 2008
...BERTHA EXPECTED TO MOVE MORE SLOWLY BUT COULD REGAIN MAJOR
HURRICANE STATUS...
IT IS STILL TOO EARLY TO DETERMINE THE EXTENT TO WHICH BERTHA COULD
IMPACT BERMUDA. INTERESTS ON THAT ISLAND SHOULD CLOSELY MONITOR
THE PROGRESS OF BERTHA DURING THE NEXT SEVERAL DAYS.
AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 25.5 NORTH...LONGITUDE 58.9 WEST OR ABOUT 590 MILES...
950 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR. A
GRADUAL TURN TOWARD THE NORTH WITH A DECREASE IN FORWARD SPEED IS
EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 KM/HR...WITH HIGHER
GUSTS. BERTHA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24
HOURS...AND BERTHA COULD REGAIN MAJOR HURRICANE STATUS ON THURSDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
LARGE SWELLS AND HIGH SURF ARE EXPECTED TO AFFECT PORTIONS OF
BERMUDA DURING THE NEXT FEW DAYS.
REPEATING THE 1100 PM AST POSITION...25.5 N...58.9 W. MOVEMENT
TOWARD...NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...105 MPH.
MINIMUM CENTRAL PRESSURE...970 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST
HURRICANE BERTHA ADVISORY NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
1100 PM AST WED JUL 09 2008
...BERTHA EXPECTED TO MOVE MORE SLOWLY BUT COULD REGAIN MAJOR
HURRICANE STATUS...
IT IS STILL TOO EARLY TO DETERMINE THE EXTENT TO WHICH BERTHA COULD
IMPACT BERMUDA. INTERESTS ON THAT ISLAND SHOULD CLOSELY MONITOR
THE PROGRESS OF BERTHA DURING THE NEXT SEVERAL DAYS.
AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 25.5 NORTH...LONGITUDE 58.9 WEST OR ABOUT 590 MILES...
950 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR. A
GRADUAL TURN TOWARD THE NORTH WITH A DECREASE IN FORWARD SPEED IS
EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS ARE NEAR 105 MPH...165 KM/HR...WITH HIGHER
GUSTS. BERTHA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24
HOURS...AND BERTHA COULD REGAIN MAJOR HURRICANE STATUS ON THURSDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
LARGE SWELLS AND HIGH SURF ARE EXPECTED TO AFFECT PORTIONS OF
BERMUDA DURING THE NEXT FEW DAYS.
REPEATING THE 1100 PM AST POSITION...25.5 N...58.9 W. MOVEMENT
TOWARD...NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...105 MPH.
MINIMUM CENTRAL PRESSURE...970 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST