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BULLETIN
Hurricane Hector Intermediate Advisory Number 47A
NWS Central Pacific Hurricane Center Honolulu HI   EP102018
800 PM HST Sat Aug 11 2018
 
...HECTOR CONTINUES MOVING NORTHWEST ACROSS THE CENTRAL PACIFIC...
 
 
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...21.6N 172.3W
ABOUT 550 MI...885 KM SE OF MIDWAY ISLAND
ABOUT 325 MI...525 KM SSE OF LISIANSKI ISLAND
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 14 MPH...22 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 Watch is in effect for...
* Kure Atoll and Midway Atoll and waters between Midway Atoll and
Pearl and Hermes Atoll.
* Portions of the Papahanaumokuakea Marine National Monument from
Lisianski Island to Pearl and Hermes Atoll.
 
A Tropical Storm Watch means that tropical storm conditions are
possible across the watch area within 48 hours.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 PM HST (0600 UTC), the center of Hurricane Hector was located
near latitude 21.6 North, longitude 172.3 West. Hector is moving
toward the northwest near 14 mph (22 km/h) and this motion is
expected to continue through Sunday, becoming slightly more westerly
by Monday afternoon.
 
Maximum sustained winds are near 110 mph (175 km/h) with higher
gusts.  Hector is a category 2 hurricane on the Saffir-Simpson
Hurricane Wind scale. Fairly rapid weakening is expected through
Sunday, followed by more gradual weakening Monday.
 
Hurricane-force winds extend outward up to 45 miles (75 km) from
the center and tropical-storm-force winds extend outward up to 140
miles (220 km).
 
The estimated minimum central pressure is 960 mb (28.35 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF:  Hector is producing swell that will affect portions of the
Northwestern Hawaiian Islands tonight. This swell will continue
for the next couple of days. The large southeast seas and swells
will peak between Maro Reef and Lisianski Island tonight and Sunday,
and across Pearl and Hermes, Midway Atoll and Kure Atoll late Sunday
into Monday.
 
WIND:  Tropical Storm conditions are possible across Lisianski
Island and Pearl and Hermes Atoll on Sunday. Tropical Storm
conditions are possible across Kure Atoll and Midway Atoll on
Monday.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Jelsema
 
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