Post by NHC Olney Maryland on Jul 7, 2008 15:44:35 GMT -5
BULLETIN
HURRICANE BERTHA ADVISORY NUMBER 19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/ OLNEY MD
500 PM AST MON JUL 07 2008
...BERTHA STRENGTHEN TO A MAJOR HURRICANE WITH 115 MPH WINDS...
AT 500 PM AST...2100Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 20.1 NORTH...LONGITUDE 52.1 WEST OR ABOUT 730 MILES...
1175 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS AND ABOUT
1150 MILES...1855 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/HR.
A GRADUAL TURN TOWARD THE NORTHWEST WITH A DECREASE IN FORWARD SPEED
IS EXPECTED OVER THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 115 MPH...185
KM/HR...WITH HIGHER GUSTS. BERTHA IS NOW A CATEGORY THREE HURRICANE
ON THE SAFFIR-SIMPSON HURRICANE SCALE. FLUCTUATIONS IN INTENSITY
ARE LIKELY DURING THE NEXT DAY OR TWO.
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.
MINIMUM CENTRAL PRESSURE REPORTED BY RECON AIRCRAFT IS 948 MB...27.99 INCHES.
REPEATING THE 500 PM AST POSITION...20.1 N...52.1 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...115
MPH. MINIMUM CENTRAL PRESSURE...948 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.
HURRICANE BERTHA ADVISORY NUMBER 19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/ OLNEY MD
500 PM AST MON JUL 07 2008
...BERTHA STRENGTHEN TO A MAJOR HURRICANE WITH 115 MPH WINDS...
AT 500 PM AST...2100Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 20.1 NORTH...LONGITUDE 52.1 WEST OR ABOUT 730 MILES...
1175 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS AND ABOUT
1150 MILES...1855 KM...SOUTHEAST OF BERMUDA.
BERTHA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/HR.
A GRADUAL TURN TOWARD THE NORTHWEST WITH A DECREASE IN FORWARD SPEED
IS EXPECTED OVER THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 115 MPH...185
KM/HR...WITH HIGHER GUSTS. BERTHA IS NOW A CATEGORY THREE HURRICANE
ON THE SAFFIR-SIMPSON HURRICANE SCALE. FLUCTUATIONS IN INTENSITY
ARE LIKELY DURING THE NEXT DAY OR TWO.
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.
MINIMUM CENTRAL PRESSURE REPORTED BY RECON AIRCRAFT IS 948 MB...27.99 INCHES.
REPEATING THE 500 PM AST POSITION...20.1 N...52.1 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...115
MPH. MINIMUM CENTRAL PRESSURE...948 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.