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BULLETIN
Hurricane Hector Intermediate Advisory Number 38A
NWS Central Pacific Hurricane Center Honolulu HI   EP102018
200 PM HST Thu Aug 09 2018
 
...HECTOR MOVING STEADILY AWAY FROM THE MAIN HAWAIIAN ISLANDS...
...TROPICAL STORM CONDITIONS ARE POSSIBLE ON JOHNSTON ISLAND
FRIDAY...
 
 
SUMMARY OF 200 PM HST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...17.0N 162.4W
ABOUT 415 MI...670 KM SW OF HONOLULU HAWAII
ABOUT 475 MI...765 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 Laysan Island, should monitor the progress of Hector. This
does not include the main Hawaiian Islands.
 
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
Honolulu Hawaii.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 200 PM HST (0000 UTC), the eye of Hurricane Hector was located
near latitude 17.0 North, longitude 162.4 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 tonight through late Friday.  On the
forecast track, the center of Hector is expected to pass 100 to 200
miles 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, with slow weakening afterward.
 
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 500 PM HST.
 
$$
Forecaster Kodama
 
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