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Hurricane Lane Advisory Number 38
NWS Central Pacific Hurricane Center Honolulu HI EP142018
500 PM HST Thu Aug 23 2018
...DANGEROUS HURRICANE LANE SOUTH OF THE MAIN HAWAIIAN ISLANDS AND
MOVING TOWARD THE NORTH-NORTHWEST...
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
ABOUT 180 MI...290 KM SW OF KAILUA-KONA HAWAII
ABOUT 240 MI...390 KM S OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NNW OR 340 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...959 MB...28.32 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The Hurricane Warning for the Big Island has been changed to a
Tropical Storm Warning.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Maui County...including the islands of Maui, Lanai, Molokai and
A Tropical Storm Warning is in effect for...
* 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. Preparations to protect life and
property should be rushed to completion.
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area.
A Hurricane Watch means that hurricane conditions are possible
within the watch area.
Interests in 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
by radar and satellite imagery near latitude 17.8 North, longitude
157.9 West. Lane is moving toward the north-northwest near 6 mph (9
km/h). A slow general northward motion is expected to continue
through Friday. A turn toward the west is expected Saturday and
Sunday, with and increase in forward speed. On the forecast track,
the center of Lane will move over, or dangerously close to portions
of the main Hawaiian islands tonight and Friday.
Maximum sustained winds are near 120 mph (195 km/h) with higher
gusts. Lane is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale. Some weakening is forecast during the next
48 hours, but Lane is expected to remain a hurricane as it draws
closer to the islands.
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
The estimated minimum central pressure is 959 mb (28.32 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are expected on portions of the Big
Island tonight and Friday. Tropical storm conditions are expected to
begin over portions of Maui County tonight, with hurricane
conditions expected in some areas Friday. Tropical storm
conditions are expected to begin on Oahu late tonight, with
hurricane conditions expected Friday into Friday night. Tropical
storm or hurricane conditions are possible on Kauai on Saturday.
RAINFALL: Rain bands will continue to overspread the Hawaiian
Islands well ahead of Lane. Excessive rainfall associated with this
slow moving hurricane will continue to 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 portions of the Hawaiian Islands. Over two feet
of rain has already fallen at a couple of locations on the windward
side of the Big Island.
SURF: As Lane is slow-moving, large swells generated by the
hurricane 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 intermediate advisory at 800 PM HST.
Next complete advisory at 1100 PM HST.
Forecaster R Ballard