Post by NHC Olney Maryland on Jul 7, 2008 21:46:46 GMT -5
BULLETIN
HURRICANE BERTHA ADVISORY NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
1100 PM AST MON JUL 07 2008
...POWERFUL HURRICANE BERTHA OVER OPEN WATERS...
AT 1100 PM AST...0300Z...THE EYE OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 20.8 NORTH...LONGITUDE 52.8 WEST OR ABOUT 695 MILES...
1115 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS AND ABOUT
1085 MILES...1745 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/HR. A
GRADUAL TURN TO THE NORTHWEST WITH A DECREASE IN FORWARD SPEED IS
EXPECTED DURING THE NEXT 24 TO 48 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 120 MPH...195 KM/HR...WITH HIGHER
GUSTS. BERTHA IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE SCALE. FLUCTUATIONS IN INTENSITY ARE LIKELY DURING THE
12 TO 24 HOURS...FOLLOWED BY A GRADUAL WEAKENING.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115
MILES...185 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 952 MB...28.11 INCHES.
REPEATING THE 1100 PM AST POSITION...20.8 N...52.8 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...120
MPH. MINIMUM CENTRAL PRESSURE...952 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST.
HURRICANE BERTHA ADVISORY NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD
1100 PM AST MON JUL 07 2008
...POWERFUL HURRICANE BERTHA OVER OPEN WATERS...
AT 1100 PM AST...0300Z...THE EYE OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 20.8 NORTH...LONGITUDE 52.8 WEST OR ABOUT 695 MILES...
1115 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS AND ABOUT
1085 MILES...1745 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/HR. A
GRADUAL TURN TO THE NORTHWEST WITH A DECREASE IN FORWARD SPEED IS
EXPECTED DURING THE NEXT 24 TO 48 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 120 MPH...195 KM/HR...WITH HIGHER
GUSTS. BERTHA IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE SCALE. FLUCTUATIONS IN INTENSITY ARE LIKELY DURING THE
12 TO 24 HOURS...FOLLOWED BY A GRADUAL WEAKENING.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115
MILES...185 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 952 MB...28.11 INCHES.
REPEATING THE 1100 PM AST POSITION...20.8 N...52.8 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...120
MPH. MINIMUM CENTRAL PRESSURE...952 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST.