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North Pacific: Powerful Hurricane Lane Moving WNW Toward the Main Hawaiian Island

By Central Pacific Hurricane Centre — last modified Aug 29, 2018 07:20 AM The opinions expressed in this article are the author's own and do not reflect the view of noonsite.com or the World Cruising Club.
The centre of Hurricane Lane is forecast to move very close to, or over, the main Hawaiian Islands from Thursday through Saturday.

Published: 2018-08-22 00:00:00
Topics: Weather
Countries: Hawaii

Public Advisory by the Central Pacific Hurricane Centre
200 AM HST Wed Aug 22nd 2018

SUMMARY OF 200 AM HST...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...14.9N 155.0W
ABOUT 335 MI...540 KM S OF KAILUA-KONA HAWAII
ABOUT 480 MI...770 KM SSE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...160 MPH...260 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Hurricane Warning is in effect for...
* Hawaii County
 
A Hurricane Watch is in effect for...
* Maui County...including the islands of Maui, Lanai, Molokai and
Kahoolawe
* Oahu
 
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 elsewhere in the main Hawaiian Islands, and across the
Northwestern Hawaiian Islands, should continue to closely monitor
the progress of Hurricane Lane. Additional Tropical Storm or
Hurricane Watches or Warnings may be issued tonight or Wednesday.
 
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 AM HST (1200 UTC), the center of Hurricane Lane was located
near latitude 14.9 North, longitude 155.0 West. Lane is moving
toward the west-northwest near 9 mph (15 km/h) and this motion is
expected to continue tonight. A turn toward the northwest is
expected later today, followed by a turn to the north-northwest on
Thursday. On the forecast track, the center of Lane will move very
close to or over the main Hawaiian Islands from Thursday through
Saturday.
 
Maximum sustained winds are near 160 mph (260 km/h) with higher
gusts.  Lane is a category 5 hurricane on the Saffir-Simpson
Hurricane Wind Scale.  Slow weakening is forecast during the next 48
hours, but Lane is forecast to remain a dangerous hurricane as it
draws closer to the Hawaiian 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 (220 km).
 
The estimated minimum central pressure is 935 mb (27.61 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are expected within the
Hurricane Warning area beginning late tonight into
early Thursday morning, with hurricane conditions expected
somewhere within the warning area on Thursday. Tropical storm
conditions are possible within the Hurricane Watch area beginning
Thursday into Thursday night, with hurricane conditions possible
late Thursday night into Friday.
 
RAINFALL: Excessive rainfall associated with Lane is expected
to affect portions of the Hawaiian Islands from late today
into the weekend, leading to flash flooding and landslides. Lane is
expected to produce total rain accumulations of 10 to 15 inches with
isolated amounts greater than 20 inches over the Hawaiian Islands.
 
SURF: Large swells generated by Lane will impact the Hawaiian
Islands, beginning this morning on the Big Island, spreading
across the remainder of the island chain on today. These
swells will produce large and potentially damaging surf along
exposed west, south and east facing shorelines.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 500 AM HST.
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