Post by NHC Olney Maryland on Jul 10, 2008 18:12:50 GMT -5
BULLETIN
HURRICANE BERTHA ADVISORY NUMBER 31
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
500 PM AST THU JUL 10 2008
...BERTHA STILL A NORTHWESTWARD-MOVING CATEGORY ONE HURRICANE...
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 500 PM AST...2100Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 27.2 NORTH...LONGITUDE 60.8 WEST OR ABOUT 425 MILES...
685 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/HR. A
TURN TOWARD THE NORTH AND A DECREASE IN FORWARD SPEED ARE EXPECTED
DURING THE NEXT 48 HOURS. ON THE FORECAST TRACK...BERTHA WILL
SLOWLY APPROACH BERMUDA FRIDAY AND SATURDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...
140 KM/HR...WITH HIGHER GUSTS. BERTHA IS A CATEGORY ONE HURRICANE
ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN STRENGTH ARE
POSSIBLE DURING THE NEXT 48 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 980 MB...28.94 INCHES.
LARGE SWELLS AND HIGH SURF HAVE STARTED TO AFFECTED BERMUDA. THESE
CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT FEW DAYS.
REPEATING THE 500 PM AST POSITION...27.2 N...60.8 W. MOVEMENT
TOWARD...NORTHWEST NEAR 10 MPH. MAXIMUM SUSTAINED WINDS...85 MPH.
MINIMUM CENTRAL PRESSURE...980 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.
HURRICANE BERTHA ADVISORY NUMBER 31
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
500 PM AST THU JUL 10 2008
...BERTHA STILL A NORTHWESTWARD-MOVING CATEGORY ONE HURRICANE...
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 500 PM AST...2100Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 27.2 NORTH...LONGITUDE 60.8 WEST OR ABOUT 425 MILES...
685 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/HR. A
TURN TOWARD THE NORTH AND A DECREASE IN FORWARD SPEED ARE EXPECTED
DURING THE NEXT 48 HOURS. ON THE FORECAST TRACK...BERTHA WILL
SLOWLY APPROACH BERMUDA FRIDAY AND SATURDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...
140 KM/HR...WITH HIGHER GUSTS. BERTHA IS A CATEGORY ONE HURRICANE
ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN STRENGTH ARE
POSSIBLE DURING THE NEXT 48 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 980 MB...28.94 INCHES.
LARGE SWELLS AND HIGH SURF HAVE STARTED TO AFFECTED BERMUDA. THESE
CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT FEW DAYS.
REPEATING THE 500 PM AST POSITION...27.2 N...60.8 W. MOVEMENT
TOWARD...NORTHWEST NEAR 10 MPH. MAXIMUM SUSTAINED WINDS...85 MPH.
MINIMUM CENTRAL PRESSURE...980 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.