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Hurricane Lane Advisory Number 36
NWS Central Pacific Hurricane Center Honolulu HI EP142018
500 AM HST Thu Aug 23 2018
...LANE CREEPING CLOSER TO HAWAII...
...TORRENTIAL RAIN SOAKING THE BIG ISLAND...
SUMMARY OF 500 AM HST...1500 UTC...INFORMATION
ABOUT 210 MI...335 KM SSW OF KAILUA-KONA HAWAII
ABOUT 305 MI...490 KM S OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...949 MB...28.03 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 500 AM HST (1500 UTC), the center of Hurricane Lane was located
near latitude 16.9 North, longitude 157.4 West. Lane is moving
toward the northwest near 7 mph (11 km/h). A turn toward the
north-northwest and little change in forward speed is expected
today. A turn toward the north is anticipated tonight and Friday, as
Lane's forward motion slows. A turn toward the west is expected on
Saturday and Sunday, with an increase in forward speed. On the
forecast track, the center of Lane will move very close to or over
the portions of the main Hawaiian islands later today through
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. Steady weakening is forecast during the next
couple of days. 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 140 miles
(220 km). NOAA buoy 51002 located about 250 miles southwest of the
Big Island recently reported sustained winds of 50 mph (80 km/h)
and a gust of 64 mph (104 km/h).
The estimated minimum central pressure is 949 mb (28.03 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.
Over 12 inches of rain has already fallen on portions of the Big
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 AM HST.
Next complete advisory at 1100 AM HST.