000
WTPZ34 KNHC 042034
TCPEP4

BULLETIN
HURRICANE ISELLE ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092014
200 PM PDT MON AUG 04 2014

...ISELLE MOVING WESTWARD AS A CATEGORY 4 HURRICANE...


SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...16.1N 137.4W
ABOUT 1190 MI...1915 KM E OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.97 INCHES


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

INTERESTS IN THE HAWAIIAN ISLANDS SHOULD MONITOR THE PROGRESS OF
ISELLE.  WATCHES MAY BE REQUIRED FOR PORTIONS OF THE ISLANDS ON
TUESDAY.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM PDT...2100 UTC...THE EYE OF HURRICANE ISELLE WAS LOCATED
NEAR LATITUDE 16.1 NORTH...LONGITUDE 137.4 WEST.  ISELLE IS MOVING
TOWARD THE WEST NEAR 10 MPH...17 KM/H...BUT ITS FORWARD SPEED IS
FORECAST TO DECREASE LATER TODAY.  ISELLE IS THEN EXPECTED TO TURN
WEST-NORTHWESTWARD AND ACCELERATE LATE TUESDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...220 KM/H...WITH HIGHER
GUSTS.  ISELLE IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  WEAKENING IS FORECAST DURING THE NEXT 48
HOURS...BUT ISELLE IS EXPECTED TO REMAIN AS A HURRICANE DURING THAT
TIME.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 947 MB...27.97 INCHES.


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


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...800 PM PDT.

$$
FORECASTER BERG