WTPA35 PHFO 221445 TCPCP5 BULLETIN HURRICANE OLAF ADVISORY NUMBER 31 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP192015 500 AM HST THU OCT 22 2015 ...HURRICANE OLAF MOVING SLOWLY NORTHWESTWARD FAR SOUTHEAST OF HAWAII... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...13.5N 146.3W ABOUT 720 MI...1165 KM SE OF HILO HAWAII ABOUT 935 MI...1505 KM ESE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...961 MB...28.38 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM HST...1500 UTC...THE CENTER OF HURRICANE OLAF WAS LOCATED NEAR LATITUDE 13.5 NORTH...LONGITUDE 146.3 WEST. OLAF IS MOVING TOWARD THE NORTHWEST NEAR 7 MPH...11 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE TODAY...WITH A GRADUAL TURN TOWARD THE NORTH-NORTHWEST TONIGHT. OLAF IS FORECAST TO MOVE SLOWLY NORTHWARD FRIDAY AND FRIDAY NIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/H...WITH HIGHER GUSTS. OLAF IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. LITTLE CHANGE IN INTENSITY IS EXPECTED TODAY. OLAF IS FORECAST TO GRADUALLY WEAKEN FROM TONIGHT THROUGH FRIDAY NIGHT. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 155 MILES...250 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 961 MB...28.38 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...1100 AM HST. $$ FORECASTER HOUSTON