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BULLETIN
Hurricane Lane Intermediate Advisory Number 37A
NWS Central Pacific Hurricane Center Honolulu HI   EP142018
200 PM HST Thu Aug 23 2018
 
...DANGEROUS HURRICANE LANE SOUTH OF THE MAIN HAWAIIAN ISLANDS AND
MOVING TOWARD THE NORTHWEST...
 
 
SUMMARY OF 200 PM HST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...17.5N 157.8W
ABOUT 190 MI...305 KM SW OF KAILUA-KONA HAWAII
ABOUT 260 MI...420 KM S OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...125 MPH...215 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 6 MPH...10 KM/H
MINIMUM CENTRAL PRESSURE...953 MB...28.14 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. Preparations to protect life and
property should be rushed to completion.
 
A Hurricane Watch means that hurricane conditions are possible
within the watch area.
 
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 200 PM HST (0000 UTC), the center of Hurricane Lane was located
by radar and satellite imagery near latitude 17.5 North, longitude
157.8 West. Lane is moving toward the north-northwest near 6 mph (10
km/h). A slow general northward motion is expected to continue
through Friday. A turn toward the west is expected Saturday and
Sunday, with some 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 later today through Friday.
 
Maximum sustained winds are near 125 mph (215 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 140
miles (220 km).
 
The estimated minimum central pressure is 953 mb (28.15 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are expected on portions of the Big
Island today, 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 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 the Hawaiian Islands. Nearly 20 inches of rain has
already fallen on portions 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
destructive waves.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 500 PM HST.
 
$$
Forecaster R Ballard
 
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