Post by NHC Olney Maryland on Jul 10, 2008 9:42:51 GMT -5
BULLETIN
HURRICANE BERTHA ADVISORY NUMBER 30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
1100 AM AST THU JUL 10 2008
...WEAKER BERTHA MOVING NORTHWESTWARD...SWELLS NOW AFFECTING
BERMUDA...
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.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 1100 AM AST...1500Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 26.5 NORTH...LONGITUDE 60.2 WEST OR ABOUT 485 MILES...
785 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR. A
GRADUAL TURN TOWARD THE NORTH AND A DECREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...
150 KM/HR...WITH HIGHER GUSTS...MAKING BERTHA A CATEGORY ONE
HURRICANE ON THE SAFFIR-SIMPSON SCALE. WHILE BERTHA HAS WEAKENED
THIS MORNING...IT COULD RE-INTENSIFY DURING THE NEXT 24 HOURS.
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.
MINIMUM CENTRAL PRESSURE IS 977 MB...28.85 INCHES.
LARGE SWELLS AND HIGH SURF HAVE STARTED TO AFFECTED BERMUDA. THESE
CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT FEW DAYS.
REPEATING THE 1100 AM AST POSITION...26.5 N...60.2 W. MOVEMENT
TOWARD...NORTHWEST NEAR 9 MPH. MAXIMUM SUSTAINED WINDS...90 MPH.
MINIMUM CENTRAL PRESSURE...977 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.
HURRICANE BERTHA ADVISORY NUMBER 30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
1100 AM AST THU JUL 10 2008
...WEAKER BERTHA MOVING NORTHWESTWARD...SWELLS NOW AFFECTING
BERMUDA...
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.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 1100 AM AST...1500Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 26.5 NORTH...LONGITUDE 60.2 WEST OR ABOUT 485 MILES...
785 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR. A
GRADUAL TURN TOWARD THE NORTH AND A DECREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...
150 KM/HR...WITH HIGHER GUSTS...MAKING BERTHA A CATEGORY ONE
HURRICANE ON THE SAFFIR-SIMPSON SCALE. WHILE BERTHA HAS WEAKENED
THIS MORNING...IT COULD RE-INTENSIFY DURING THE NEXT 24 HOURS.
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.
MINIMUM CENTRAL PRESSURE IS 977 MB...28.85 INCHES.
LARGE SWELLS AND HIGH SURF HAVE STARTED TO AFFECTED BERMUDA. THESE
CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT FEW DAYS.
REPEATING THE 1100 AM AST POSITION...26.5 N...60.2 W. MOVEMENT
TOWARD...NORTHWEST NEAR 9 MPH. MAXIMUM SUSTAINED WINDS...90 MPH.
MINIMUM CENTRAL PRESSURE...977 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.