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BULLETIN
Hurricane Hector Intermediate Advisory Number 37A
NWS Central Pacific Hurricane Center Honolulu HI   EP102018
800 AM HST Thu Aug 09 2018
 
...MAJOR HURRICANE HECTOR CONTINUES TO MOVE DUE WEST FAR SOUTH
OF KAUAI...
...TROPICAL STORM CONDITIONS ARE POSSIBLE ON JOHNSTON ISLAND
LATER THIS WEEK...
 
 
SUMMARY OF 800 AM HST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...16.7N 160.8W
ABOUT 365 MI...585 KM SSW OF HONOLULU HAWAII
ABOUT 580 MI...935 KM E OF JOHNSTON ISLAND
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for...
* Johnston Island
 
A Tropical Storm Watch means tropical storm conditions are possible
within the next 48 hours.
 
Interests in the Northwestern Hawaiian Islands, including Midway
and Kure Atolls and the Papahanaumokuakea Marine National Monument
west of Pearl/Hermes, should monitor the progress of Hector. This
does not include the main Hawaiian Islands.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 AM HST (1800 UTC), the center of Hurricane Hector was located
near latitude 16.7 North, longitude 160.8 West. Hector is moving
toward the west near 16 mph (26 km/h), and this general motion is
expected to continue through today.  A gradual turn toward the
west-northwest is expected from tonight through late Friday.  Note
that on the forecast path, the center of Hector is expected to pass
to the north of Johnston Island late Friday.
 
Maximum sustained winds are near 120 mph (195 km/h) with higher
gusts.  Hector is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale.  Little change in strength is forecast through
Friday night.
 
Hurricane-force winds extend outward up to 35 miles (55 km) from
the center and tropical-storm-force winds extend outward up to 90
miles (150 km).
 
The estimated minimum central pressure is 957 mb (28.26 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF: Swells generated by Hector should begin to impact Johnston
Island tonight. This will likely produce large and dangerous waves
along portions of the island from late tonight through Friday
night.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 AM HST.
 
$$
Forecaster Kodama
 
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