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BULLETIN
Hurricane Walaka Intermediate Advisory Number 18A
NWS Central Pacific Hurricane Center Honolulu HI   CP012018
800 PM HST Wed Oct 03 2018
 
...DANGEROUS HURRICANE WALAKA CROSSING THE PAPAHANAUMOKUAKEA
MARINE NATIONAL MONUMENT JUST WEST OF FRENCH FRIGATE SHOALS...
 
 
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...23.9N 167.2W
ABOUT 60 MI...95 KM W OF FRENCH FRIGATE SHOALS
ABOUT 620 MI...1000 KM WNW OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...125 MPH..205 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 22 MPH...35 KM/H
MINIMUM CENTRAL PRESSURE...946 MB...27.94 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Hurricane Warning is in effect for...
* Papahanaumokuakea Marine National Monument from French Frigate
Shoals to Maro Reef
 
A Tropical Storm Warning is in effect for...
* Papahanaumokuakea Marine National Monument from Nihoa to French
Frigate Shoals
 
A Hurricane Warning indicates that hurricane conditions are imminent
or occurring somewhere within the warning area.
 
A Tropical Storm Warning indicates that tropical storm conditions
are imminent or occurring within the warning area.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 PM HST (0600 UTC), the center of Hurricane Walaka was located
near latitude 23.9 North, longitude 167.2 West. Walaka is moving
toward the north-northeast near 22 mph (35 km/h) and this motion is
expected to continue tonight. Walaka is forecast to turn toward the
north with a slower forward speed Thursday and Thursday night. 
 
Maximum sustained winds are near 125 mph (205 km/h) with higher
gusts. Walaka is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale. A weakening trend is forecast to continue
through Friday. 
 
Hurricane-force winds extend outward up to 70 miles (110 km) from
the center and tropical-storm-force winds extend outward up to 220
miles (350 km).
 
The estimated minimum central pressure is 946 mb (27.94 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Hurricane conditions are occurring over the Papahanaumokuakea
Marine National Monument between French Frigate Shoals and Gardner
Pinnacles this evening. Elsewhere, tropical storm force winds are
occurring over most of the area between Necker Island and Maro Reef.
These very strong and dangerous winds will likely persist through
early Thursday over most of this region.
 
SURF: Large surf will continue to impact the Papahanaumokuakea
Marine National Monument through Thursday morning. These large
waves will likely inundate some of the low-lying atolls, especially
from French Frigate Shoals to Maro Reef.
 
RAINFALL: Torrential rainfall will continue across the
Papahanaumokuakea Marine National Monument from Nihoa to French
Frigate Shoals to Maro Reef through early Thursday.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Houston
 
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