000
WTPZ34 KNHC 091446
TCPEP4
BULLETIN
HURRICANE HERNAN ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP092008
800 AM PDT SAT AUG 09 2008

...HERNAN BECOMES THE FIRST MAJOR HURRICANE OF THE 2008 EASTERN
NORTH PACIFIC SEASON...
 
AT 800 AM PDT...1500 UTC...THE CENTER OF HURRICANE HERNAN WAS
LOCATED NEAR LATITUDE 15.7 NORTH...LONGITUDE 123.3 WEST OR ABOUT
1005 MILES...1615 KM...WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA
CALIFORNIA.
 
HERNAN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR...
AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE
OF DAYS.

MAXIMUM SUSTAINED HAVE INCREASED AND ARE NOW NEAR 120 MPH...195
KM/HR...WITH HIGHER GUSTS.  HERNAN IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE SCALE.  LITTLE CHANGE IN STRENGTH IS
EXPECTED TODAY...BUT A GRADUAL WEAKENING TREND IS EXPECTED TO BEGIN
TONIGHT OR SUNDAY.

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 956 MB...28.23 INCHES.
 
REPEATING THE 800 AM PDT POSITION...15.7 N...123.3 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 9 MPH.  MAXIMUM SUSTAINED WINDS...120
MPH.  MINIMUM CENTRAL PRESSURE...956 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
200 PM PDT.
 
$$
FORECASTER KNABB