WTPA31 PHFO 011456 RRA TCPCP1 BULLETIN HURRICANE WALAKA ADVISORY NUMBER 8 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012018 500 AM HST MON OCT 01 2018 ...WALAKA CONTINUES TO RAPIDLY INTENSIFY FAR SOUTHWEST OF HAWAII... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...12.3N 168.3W ABOUT 315 MI...505 KM SSE OF JOHNSTON ISLAND ABOUT 925 MI...1490 KM SW OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...954 MB...28.17 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A HURRICANE WARNING IS IN EFFECT FOR... .. JOHNSTON ATOLL A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED IN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM FORCE WINDS, CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. INTERESTS IN THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT SHOULD MONITOR THE PROGRESS OF WALAKA. DISCUSSION AND OUTLOOK ---------------------- AT 500 AM HST (1500 UTC), THE CENTER OF HURRICANE WALAKA WAS LOCATED NEAR LATITUDE 12.3 NORTH, LONGITUDE 168.3 WEST. WALAKA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH (17 KM/H). A TURN TOWARD THE NORTHWEST IS EXPECTED TO BEGIN LATER TODAY, FOLLOWED BY A TURN TOWARD THE NORTH LATE TONIGHT THROUGH TUESDAY NIGHT WITH A GRADUAL INCREASE IN FORWARD SPEED. MAXIMUM SUSTAINED WINDS ARE NEAR 125 MPH (205 KM/H) WITH HIGHER GUSTS. WALAKA IS A CATEGORY 3 HURRICANE ON THE SAFFIR-SIMPSON