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Hurricane Lane Intermediate Advisory Number 28A
NWS Central Pacific Hurricane Center Honolulu HI EP142018
200 PM HST Tue Aug 21 2018
...POWERFUL HURRICANE LANE MOVING CLOSER TO THE HAWAIIAN ISLANDS...
SUMMARY OF 200 PM HST...0000 UTC...INFORMATION
ABOUT 400 MI...645 KM SSE OF KAILUA-KONA HAWAII
ABOUT 550 MI...885 KM SSE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...155 MPH...250 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 10 MPH...16 KM/H
MINIMUM CENTRAL PRESSURE...929 MB...27.43 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Watch is in effect for...
*Maui County...including the islands of Maui, Lanai, Molokai and
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 elsewhere in the main Hawaiian Islands, and across the
Northwestern Hawaiian Islands, should continue to closely monitor
the progress of Hurricane Lane. Additional Tropical Storm or
Hurricane Watches will likely be issued this afternoon or tonight.
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
DISCUSSION AND OUTLOOK
At 200 PM HST (0000 UTC), the center of Hurricane Lane was located
by U.S. Air Force Reserve Hurricane Hunter aircraft near latitude
14.4 North, longitude 153.6 West. Lane is moving toward the
west-northwest near 10 mph (15 km/h) and this motion is expected
to continue through tonight. A turn toward the northwest is expected
Wednesday into 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 powerful Category 4 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Slow 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 minimum central pressure as recently reported by hurricane
hunter aircraft is 929 mb (27.43 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are possible within the
Hurricane Watch area beginning Wednesday night, with hurricane
conditions possible on Thursday.
RAINFALL: Excessive rainfall associated with Lane is expected
to affect portions of the Hawaiian Islands from Wednesday into the
weekend, leading to flash flooding and landslides. Lane is expected
to produce total rain accumulations of 10 to 15 inches with isolated
maximum amounts of 20 inches over the Hawaiian Islands.
SURF: Large swells generated by Lane will impact the Hawaiian
Islands, beginning tonight on the Big Island and spreading
across the remainder of the island chain Wednesday through
Thursday. These swells will produce large and potentially
damaging surf along exposed west, south and east facing
Next complete advisory at 500 PM HST.