WTPA35 PHFO 220854

TCPCP5



BULLETIN

HURRICANE OLAF ADVISORY NUMBER  30

NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP192015

1100 PM HST WED OCT 21 2015



...POWERFUL HURRICANE OLAF MOVING NORTHWESTWARD FAR SOUTHEAST

OF HAWAII...





SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION

-----------------------------------------------

LOCATION...13.1N 146.1W

ABOUT 750 MI...1205 KM SE OF HILO HAWAII

ABOUT 960 MI...1550 KM SE OF HONOLULU HAWAII

MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H

PRESENT MOVEMENT...NW OR 315 DEGREES AT 8 MPH...13 KM/H

MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES





WATCHES AND WARNINGS

--------------------

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.





DISCUSSION AND 48-HOUR OUTLOOK

------------------------------

AT 1100 PM HST...0900 UTC...THE CENTER OF HURRICANE OLAF WAS LOCATED

NEAR LATITUDE 13.1 NORTH...LONGITUDE 146.1 WEST. OLAF IS MOVING

TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/H. THIS GENERAL MOTION IS

EXPECTED TO CONTINUE THROUGH THURSDAY...WITH A GRADUAL TURN TOWARD

THE NORTH-NORTHWEST FROM THURSDAY NIGHT THROUGH EARLY FRIDAY. OLAF

IS FORECAST TO BEGIN MOVING NORTHWARD BY LATE FRIDAY.



MAXIMUM SUSTAINED WINDS ARE NEAR 120 MPH...195 KM/H...WITH HIGHER

GUSTS. OLAF IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON

HURRICANE WIND SCALE. LITTLE CHANGE IN INTENSITY IS EXPECTED

TONIGHT. OLAF IS FORECAST TO GRADUALLY WEAKEN FROM THURSDAY THROUGH

FRIDAY EVENING.



HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM

THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175

MILES...280 KM.



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 957 MB...28.26 INCHES.





HAZARDS AFFECTING LAND

----------------------

SURF...SWELLS GENERATED BY HURRICANE OLAF WILL PRODUCE

LIFE-THREATENING AND POTENTIALLY DAMAGING SURF ALONG EAST FACING

SHORES OF THE HAWAIIAN ISLANDS INTO THIS WEEKEND. SEE THE COASTAL

HAZARD MESSAGE...WHHW40 PHFO OR CFWHFO...ISSUED BY THE NATIONAL

WEATHER SERVICE FORECAST OFFICE IN HONOLULU FOR DETAILS.





NEXT ADVISORY

-------------

NEXT COMPLETE ADVISORY...500 AM HST.



$$

FORECASTER HOUSTON