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BULLETIN
Hurricane Lane Intermediate Advisory Number 34A
NWS Central Pacific Hurricane Center Honolulu HI   EP142018
800 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 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...16.0N 156.7W
ABOUT 260 MI...415 KM S OF KAILUA-KONA HAWAII
ABOUT 375 MI...605 KM SSE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...939 MB...27.73 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Hurricane Warning is in effect for...
* Oahu
* Maui County...including the islands of Maui, Lanai, Molokai and
Kahoolawe
* 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
Honolulu Hawaii.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 PM HST (0600 UTC), the eye of Hurricane Lane was located near
latitude 16.0 North, longitude 156.7 West. Lane is moving toward
the northwest near 7 mph (11 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 tomorrow through
Friday.
 
Maximum sustained winds remain 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 (220 km).
 
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 into Friday night.
 
RAINFALL: Rain bands from Hurricane Lane will continue to gradually
overspread the Hawaiian Islands 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: 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 likely damaging
surf along exposed west and south 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
destructive waves.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Birchard
 
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