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Hurricane Lane Advisory Number 34
NWS Central Pacific Hurricane Center Honolulu HI EP142018
500 PM HST Wed Aug 22 2018
...DANGEROUS HURRICANE LANE TRACKING NORTHWEST AND ON COURSE TO
PASS VERY CLOSE TO THE ISLANDS THURSDAY AND FRIDAY...
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
ABOUT 260 MI...415 KM S OF KAILUA-KONA HAWAII
ABOUT 385 MI...620 KM SSE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...939 MB...27.73 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The Hurricane Watch has been changed to a Hurricane Warning for the
island of Oahu.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Maui County...including the islands of Maui, Lanai, Molokai and
* Hawaii County
A Hurricane Watch is in effect for...
* Kauai County...including the islands of Kauai and Niihau
A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area. A warning is typically issued
36 hours before the anticipated first occurrence of tropical-storm-
force winds, conditions that make outside preparations difficult
or dangerous. Preparations to protect life and property should be
rushed to completion.
A Hurricane Watch means that hurricane conditions are possible
within the watch area. A watch is typically issued 48 hours before
the anticipated first occurrence of tropical-storm-force winds,
conditions that make outside preparations difficult or dangerous.
Interests in the the Northwestern Hawaiian Islands should monitor
the progress of Hurricane Lane.
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
DISCUSSION AND OUTLOOK
At 500 PM HST (0300 UTC), the eye of Hurricane Lane was located
near latitude 15.9 North, longitude 156.5 West. Lane is moving
toward the northwest near 8 mph (13 km/h). This motion is
expected to continue tonight, with a turn toward the north and a
slower forward motion expected on Friday. A turn back toward the
west is expected on Saturday. On the forecast track, the center of
Lane will move very close to or over the main Hawaiian Islands
Thursday and Friday.
Maximum sustained winds are near 145 mph (230 km/h) with higher
gusts. Lane is a powerful category 4 hurricane on the Saffir-Simpson
Hurricane Wind Scale. Some weakening is forecast during the next
few days, but Lane is expected to remain a hurricane as it
approaches the islands.
Hurricane-force winds extend outward up to 40 miles (65 km) from the
center and tropical-storm-force winds extend outward up to 140 miles
The estimated minimum central pressure is 939 mb (27.73 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are expected on portions of the Big
Island beginning early Thursday morning, with hurricane conditions
expected in some areas Thursday afternoon or Thursday night.
Tropical storm conditions are expected to begin over portions of
Maui county on Thursday, with hurricane conditions expected in some
areas Thursday night into Friday. Tropical storm conditions are
expected to begin on Oahu late Thursday night, with hurricane
conditions expected Friday.
RAINFALL: Rainbands from Hurricane Lane will continue to gradually
overspread the state tonight and Thursday. Excessive rainfall
associated with Lane is expected to affect portions of the Hawaiian
Islands from late today into the weekend. This could lead to major
flash flooding and landslides. Lane is expected to produce total
rain accumulations of 10 to 15 inches with localized amounts in
excess of 20 inches over the Hawaiian Islands.
SURF: Large swells generated by Lane will impact the Hawaiian
Islands, spreading across the island chain tonight and Thursday.
These swells will produce very large and potentially damaging surf
along exposed west, south and east facing shorelines.
STORM SURGE: The combination of a dangerous storm surge and large
breaking waves will raise water levels by as much as 2 to 4 feet
above normal tide levels along south and west facing shores near
the center of Lane. The surge will be accompanied by large and
Next intermediate advisory at 800 PM HST.
Next complete advisory at 1100 PM HST.
Forecaster R Ballard