TCPCP1 01:54:54.5797

NOTE: This is not to be used for life critical applications .  Please refer to official National Weather Service/NOAA websites and publications
----------800 PM HST Fri Aug 10 2018
...POWERFUL HURRICANE HECTOR MOVING AWAY FROM JOHNSTON ISLAND...
 SUMMARY OF 800 PM HST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...18.5N 168.9W ABOUT 135 MI...220 KM NNE OF JOHNSTON ISLAND ABOUT 610 MI...980 KM SE OF LISIANSKI ISLAND MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...950 MB...28.06 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 800 PM HST (0600 UTC), the center of Hurricane Hector was located near latitude 18.5 North, longitude 168.9 West. Hector is moving toward the west-northwest near 14 mph (22 km/h). This motion is expected to continue tonight, followed by a turn toward the northwest on Saturday. This general motion should continue through Monday.
Maximum sustained winds are near 130 mph (215 km/h) with higher gusts. Hector is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Weakening is expected during the next few days.
Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 110 miles (175 km).
The estimated minimum central pressure is 950 mb (28.06 inches).
 HAZARDS AFFECTING LAND ---------------------- SURF:  Large north swells generated by Hector will peak at Johnston Island tonight, then gradually decline on Saturday. Hector will also produce southeast swells that will spread over portions of the Northwestern Hawaiian Islands during the next few days. The potentially large swells will peak between Maro Reef and Lisianski Island Saturday night and early Sunday, and across Midway Atoll and Kure Atoll late Sunday and early Monday.
WIND:  Tropical Storm conditions are possible across Lisianski Island and Pearl and Hermes Atoll on Sunday.
 NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST.
$$ Forecaster Birchard
---------- tags: weatherwire,weather,update