WTPA31 PHFO 010609 RRA

TCPCP1



BULLETIN

HURRICANE WALAKA INTERMEDIATE ADVISORY NUMBER 6A

NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012018

800 PM HST SUN SEP 30 2018



...WALAKA STRENGTHENS TO A HURRICANE FAR SOUTHWEST OF HAWAII...





SUMMARY OF 800 PM HST...0600 UTC...INFORMATION

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LOCATION...11.7N 166.8W

ABOUT 390 MI...630 KM SSE OF JOHNSTON ISLAND

ABOUT 890 MI...1430 KM SW OF HONOLULU HAWAII

MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/H

PRESENT MOVEMENT...W OR 275 DEGREES AT 12 MPH...19 KM/H

MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES





WATCHES AND WARNINGS

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CHANGES WITH THIS ADVISORY:



A HURRICANE WARNING IS NOW IN EFFECT FOR JOHNSTON ATOLL.



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 800 PM HST (0600 UTC), THE CENTER OF HURRICANE WALAKA WAS LOCATED

NEAR LATITUDE 11.7 NORTH, LONGITUDE 166.8 WEST. WALAKA IS MOVING

TOWARD THE WEST NEAR 12 MPH (19 KM/H) AND THIS MOTION IS EXPECTED TO

SLOW AND BECOME NORTHWEST ON MONDAY, THEN NORTH ON TUESDAY.



MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH (160 KM/H) WITH HIGHER

GUSTS. RAPID INTENSIFICATION IS FORECAST THROUGH TUESDAY.