Post by NHC Olney Maryland on Sept 15, 2010 10:58:49 GMT -5
BULLETIN
HURRICANE JULIA SPECIAL ADVISORY NUMBER 12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL122010
1230 AM AST WED SEP 15 2010
...JULIA STRENGTHENS RAPIDLY...NOW A MAJOR HURRICANE WITH 125 MPH
WINDS...
SUMMARY OF 1230 AM AST...0530 UTC...INFORMATION
-----------------------------------------------
LOCATION...16.9N 31.3W
ABOUT 490 MI...785 KM W OF THE CAPE VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...955 MB...28.20 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1230 AM AST...0530 UTC...THE CENTER OF HURRICANE JULIA WAS
LOCATED NEAR LATITUDE 16.9 NORTH...LONGITUDE 31.3 WEST. JULIA IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. A TURN
TOWARD THE NORTHWEST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED
TODAY...FOLLOWED BY A TURN BACK TO THE WEST-NORTHWEST WITH AN
ADDITIONAL INCREASE IN FORWARD SPEED ON THURSDAY.
SATELLITE IMAGES INDICATE THAT JULIA HAS STRENGTHENED RAPIDLY OVER
THE PAST SEVERAL HOURS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO
NEAR 125 MPH...205 KM/HR...WITH HIGHER GUSTS. JULIA IS NOW A
CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND
SCALE. SOME ADDITIONAL STRENGTHENING IS POSSIBLE TODAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 955 MB...28.20 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...430 AM AST.
HURRICANE JULIA SPECIAL ADVISORY NUMBER 12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL122010
1230 AM AST WED SEP 15 2010
...JULIA STRENGTHENS RAPIDLY...NOW A MAJOR HURRICANE WITH 125 MPH
WINDS...
SUMMARY OF 1230 AM AST...0530 UTC...INFORMATION
-----------------------------------------------
LOCATION...16.9N 31.3W
ABOUT 490 MI...785 KM W OF THE CAPE VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...955 MB...28.20 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1230 AM AST...0530 UTC...THE CENTER OF HURRICANE JULIA WAS
LOCATED NEAR LATITUDE 16.9 NORTH...LONGITUDE 31.3 WEST. JULIA IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. A TURN
TOWARD THE NORTHWEST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED
TODAY...FOLLOWED BY A TURN BACK TO THE WEST-NORTHWEST WITH AN
ADDITIONAL INCREASE IN FORWARD SPEED ON THURSDAY.
SATELLITE IMAGES INDICATE THAT JULIA HAS STRENGTHENED RAPIDLY OVER
THE PAST SEVERAL HOURS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO
NEAR 125 MPH...205 KM/HR...WITH HIGHER GUSTS. JULIA IS NOW A
CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND
SCALE. SOME ADDITIONAL STRENGTHENING IS POSSIBLE TODAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 955 MB...28.20 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...430 AM AST.