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BULLETIN
Hurricane Walaka Intermediate Advisory Number 20A
NWS Central Pacific Hurricane Center Honolulu HI   CP012018
800 AM HST Thu Oct 04 2018
 
...HURRICANE WALAKA WEAKENING AS IT MOVES NORTH...
...STRONG WINDS AND LARGE SURF CONTINUE ACROSS PARTS OF THE
PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT...
 
 
SUMMARY OF 800 AM HST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...27.9N 166.1W
ABOUT 275 MI...440 KM N OF FRENCH FRIGATE SHOALS
ABOUT 685 MI...1100 KM NW OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 20 MPH...31 KM/H
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* Papahanaumokuakea Marine National Monument from Nihoa to French
Frigate Shoals to Maro Reef.
 
A Tropical Storm Warning indicates that tropical storm conditions
are occurring within the warning area.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 AM HST (1800 UTC), the center of Hurricane Walaka was located
near latitude 27.9 North, longitude 166.1 West. Walaka is moving
toward the north near 20 mph (31 km/h). A turn toward the
north-northwest and a slowing of forward speed is expected today,
followed by an acceleration toward the northeast on Friday and
Saturday.
 
Maximum sustained winds are near 105 mph (165 km/h) with higher
gusts. Gradual weakening is expected to continue during the next
couple of days.
 
Hurricane-force winds extend outward up to 70 miles (110 km) from
the center and tropical-storm-force winds extend outward up to 230
miles (370 km).
 
The estimated minimum central pressure is 960 mb (28.35 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions will likely persist into
mid-morning across portions of the Papahanaumokuakea Marine
National Monument from east of French Frigate Shoals to Gardner
Pinnacles.
 
SURF: Large surf generated by the broad wind field associated
with Walaka will continue to impact most of the Papahanaumokuakea
Marine National Monument today.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 AM HST.
 
$$
Forecaster Wroe
 
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