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Hurricane Lane Intermediate Advisory Number 32A
NWS Central Pacific Hurricane Center Honolulu HI EP142018
800 AM HST Wed Aug 22 2018
...HAWAIIAN ISLANDS REMAIN VULNERABLE AS CATEGORY 4 HURRICANE
LANE PASSES SOUTH OF THE BIG ISLAND...
SUMMARY OF 800 AM HST...1800 UTC...INFORMATION
ABOUT 305 MI...490 KM S OF KAILUA-KONA HAWAII
ABOUT 445 MI...715 KM SSE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...155 MPH...250 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Hawaii County
* Maui County...including the islands of Maui, Lanai, Molokai and
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. Additional Watches or Warnings may
be issued tonight or Wednesday.
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
DISCUSSION AND OUTLOOK
At 800 AM HST (1800 UTC), the eye of Hurricane Lane was located
near latitude 15.2 North, longitude 155.7 West. The eyewall of
Hurricane Lane has been intermittently seen on the Naalehu
weather radar over the past few hours. Lane is moving toward the
west-northwest near 8 mph (13 km/h) and this motion is expected to
become northwest later today, followed by a turn to the
north-northwest on Thursday. On the forecast track, the center of
Lane will move very close to or over the main Hawaiian Islands from
Thursday through Saturday.
Maximum sustained winds are near 155 mph (250 km/h) with higher
gusts. Lane is a category 4 hurricane on the Saffir-Simpson
Hurricane Wind Scale. Some weakening is forecast during the next 48
hours, but Lane is forecast to remain a dangerous hurricane as it
draws closer to the Hawaiian 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 935 mb (27.61 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are expected within the Hurricane
Warning area beginning late tonight into early Thursday morning,
with hurricane conditions expected somewhere within the warning area
on Thursday. Tropical storm conditions are possible within the
Hurricane Watch area beginning Thursday into Thursday night, with
hurricane conditions possible late Thursday night into Friday.
RAINFALL: Rainbands from Hurricane Lane will begin moving ashore on
the Puna and Kau districts over the next hour or two. Excessive
rainfall associated with Lane is expected to affect portions of the
Hawaiian Islands from late today into the weekend, would 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: Large swells generated by Lane will impact the Hawaiian
Islands, beginning this morning on the Big Island, spreading
across the remainder of the island chain on today. These
swells will produce large and potentially damaging surf along
exposed west, south and east facing shorelines.
Next complete advisory at 1100 AM HST.
Forecaster R Ballard