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BULLETIN
Hurricane Hector Intermediate Advisory Number 44A
NWS Central Pacific Hurricane Center Honolulu HI   EP102018
200 AM HST Sat Aug 11 2018
 
...HECTOR PULLING AWAY FROM JOHNSTON ISLAND...
 
 
SUMMARY OF 200 AM HST...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...19.0N 169.7W
ABOUT 155 MI...250 KM N OF JOHNSTON ISLAND
ABOUT 560 MI...900 KM SSE OF LISIANSKI ISLAND
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 12 MPH...19 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...
* 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.
 
Interests elsewhere in the Northwestern Hawaiian Islands on
Midway and Kure Atolls should monitor the progress of Hector.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 200 AM HST (1200 UTC), the center of Hurricane Hector was located
near latitude 19.0 North, longitude 169.7 West. Hector is moving
toward the west-northwest near 12 mph (19 km/h). An increase in
forward speed and a slight turn toward the northwest are expected
later today, with Hector moving toward the northwest through the
weekend.
 
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. Steady weakening is forecast during the next
couple of days.
 
Hurricane-force winds extend outward up to 35 miles (55 km) from
the center and tropical-storm-force winds extend outward up to 125
miles (205 km).
 
The estimated minimum central pressure is 957 mb (28.26 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF:  Large north swells generated by Hector will gradually
decline on Johnston Island later today. Hector is producing swell
that will begin to arrive over portions of the Northwestern Hawaiian
Islands today, and 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.
 
 
NEXT ADVISORY
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Next complete advisory at 500 AM HST.
 
$$
Forecaster Birchard
 
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