Post by NHC Olney Maryland on Jul 8, 2008 15:46:07 GMT -5
BULLETIN
HURRICANE BERTHA ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
500 PM AST TUE JUL 08 2008
...BERTHA WEAKENS TO A CATEGORY ONE HURRICANE...
AT 500 PM AST...2100Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 22.7 NORTH...LONGITUDE 54.8 WEST OR ABOUT 620 MILES...
1000 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS AND ABOUT
900 MILES...1450 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR. A
GRADUAL TURN TOWARD THE NORTH-NORTHWEST WITH A DECREASE IN FORWARD
SPEED IS EXPECTED DURING THE NEXT DAY OR TWO.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140
KM/HR...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST 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.
LARGE SWELLS AND HIGH SURF COULD BEGIN TO AFFECT PORTIONS OF BERMUDA
LATE TOMORROW.
MINIMUM CENTRAL PRESSURE JUST REPORTED BY AIRCRAFT IS 980 MB...28.94 INCHES.
REPEATING THE 500 PM AST POSITION...22.7 N...54.8 W. MOVEMENT
TOWARD...NORTHWEST NEAR 12 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 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
500 PM AST TUE JUL 08 2008
...BERTHA WEAKENS TO A CATEGORY ONE HURRICANE...
AT 500 PM AST...2100Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 22.7 NORTH...LONGITUDE 54.8 WEST OR ABOUT 620 MILES...
1000 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS AND ABOUT
900 MILES...1450 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR. A
GRADUAL TURN TOWARD THE NORTH-NORTHWEST WITH A DECREASE IN FORWARD
SPEED IS EXPECTED DURING THE NEXT DAY OR TWO.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140
KM/HR...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST 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.
LARGE SWELLS AND HIGH SURF COULD BEGIN TO AFFECT PORTIONS OF BERMUDA
LATE TOMORROW.
MINIMUM CENTRAL PRESSURE JUST REPORTED BY AIRCRAFT IS 980 MB...28.94 INCHES.
REPEATING THE 500 PM AST POSITION...22.7 N...54.8 W. MOVEMENT
TOWARD...NORTHWEST NEAR 12 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.