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Hurricane Lane Intermediate Advisory Number 35A
NWS Central Pacific Hurricane Center Honolulu HI EP142018
200 AM HST Thu Aug 23 2018
...LANE WEAKENS SLIGHTLY WHILE TRACKING TOWARD THE HAWAIIAN
SUMMARY OF 200 AM HST...1200 UTC...INFORMATION
ABOUT 230 MI...370 KM SSW OF KAILUA-KONA HAWAII
ABOUT 335 MI...540 KM S OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...949 MB...28.02 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
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 200 AM HST (1200 UTC), the eye of Hurricane Lane was located by
satellite and radar near latitude 16.5 North, longitude 157.3 West.
Lane is moving toward the northwest near 7 mph (11 km/h). This
general motion is expected to continue today, with a gradual turn
toward the north-northwest. On Friday, a turn toward the north is
anticipated as Lane's forward motion slows even more. 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 later today through Friday.
Maximum sustained winds are near 130 mph (215 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
day or so, with more significant weakening thereafter. 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 (220 km).
The estimated minimum central pressure is 949 mb (28.02 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are expected on portions of the Big
Island beginning later this morning, with hurricane conditions
expected in some areas by tonight. Tropical storm conditions are
expected to begin over portions of Maui county later today,
with hurricane conditions expected in some areas by Friday.
Tropical storm conditions are expected to begin on Oahu late
tonight, with hurricane conditions expected Friday into Friday
RAINFALL: Rain bands from Hurricane Lane will continue to overspread
the Hawaiian Islands. Excessive rainfall associated with Lane will
impact the Hawaiian Islands into the weekend, leading to significant
and life-threatening flash flooding and landslides. Lane is expected
to produce total rain accumulations of 10 to 20 inches, with
localized amounts in excess of 30 inches over the Hawaiian Islands.
SURF: As Lane is slow-moving, large swells generated by Lane will
severely impact the Hawaiian Islands over the next couple of days.
These swells will produce very large and damaging surf along exposed
west and south facing shorelines. A prolonged period of high surf
will likely lead to significant coastal erosion.
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 complete advisory at 500 AM HST.