000
WTPZ34 KNHC 031433
TCPEP4

BULLETIN
HURRICANE ISELLE ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092014
800 AM PDT SUN AUG 03 2014

...ISELLE BECOMES A MAJOR HURRICANE...


SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...15.5N 132.8W
ABOUT 1495 MI...2405 KM E OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...965 MB...28.50 INCHES


WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 AM PDT...1500 UTC...THE EYE OF HURRICANE ISELLE WAS LOCATED
NEAR LATITUDE 15.5 NORTH...LONGITUDE 132.8 WEST.  ISELLE IS MOVING
TOWARD THE WEST NEAR 10 MPH...17 KM/H...AND THIS MOTION IS EXPECTED
TO CONTINUE THROUGH TONIGHT.  A DECREASE IN FORWARD SPEED IS
EXPECTED MONDAY AND MONDAY NIGHT.

SATELLITE IMAGES INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE
INCREASED TO NEAR 115 MPH...185 KM/H...WITH HIGHER GUSTS.  ISELLE IS
A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND
SCALE.  LITTLE CHANGE IN STRENGTH IS EXPECTED THE REST OF TODAY.
GRADUAL WEAKENING IS FORECAST TO BEGIN BY MONDAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB...28.50 INCHES.


HAZARDS AFFECTING LAND
----------------------
NONE


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...200 PM PDT.

$$
FORECASTER BERG