Hurricane Lane threatens Hawaii

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Lane is a Catagory 4 Hurricane with sustained winds of 150MPH

Lane is now a catagory 5 hurricane with sustained winds of 160MPH

KEY MESSAGES:

1. Lane is forecast to move dangerously close to the main Hawaiian
Islands as a hurricane later this week, potentially bringing
damaging winds and life-threatening flash flooding from heavy
rainfall anywhere in the state. As Lane is expected to be
slow-moving as it nears the islands, it will produce large and
damaging surf.

2. As Lane moves up from the southeast, the earliest potential
threat to land will be for the Big Island, where a Hurricane Warning
is now in effect. Preparations there should be rushed to completion
as tropical-storm force winds are forecast to arrive in the warning
area by late Wednesday or early Thursday. A Hurricane Watch remains
in effect for Maui County, and is now posted for Oahu, with
tropical-storm force winds possibly beginning Thursday or Thursday
night.

3. Due to a continued high degree of uncertainty on the forecast
track and intensity of Lane, hurricane impacts could be felt across
any of the Hawaiian Islands. It is too early to predict which, if
any, of the islands are directly impacted. Remember that life
threatening weather conditions can extend well away from the center
of the hurricane. Interests throughout Hawaii are urged to closely
monitor the progress of Lane during the next few day

Hurricane Lane Intermediate Advisory Number 35A
NWS Central Pacific Hurricane Center Honolulu HI EP142018
200 AM HST Thu Aug 23 2018

...LANE WEAKENS SLIGHTLY WHILE TRACKING TOWARD THE HAWAIIAN
ISLANDS...


SUMMARY OF 200 AM HST...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...16.5N 157.3W
ABOUT 230 MI...370 KM SSW OF KAILUA-KONA HAWAII
ABOUT 335 MI...540 KM S OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...949 MB...28.02 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 Northwes

KEY MESSAGES:

1. Lane will pass dangerously close to the main Hawaiian Islands as
a hurricane Thursday and Friday, and is expected to bring damaging
winds. These winds can be accelerated over and downslope from
elevated terrain, and will be higher in high rise buildings.

2. The slow movement of Lane also greatly increases the threat for
prolonged heavy rainfall and extreme rainfall totals. This is
expected to lead to life-threatening flash flooding and landslides
over all Hawaiian Islands.

3. Large and damaging surf can be expected along exposed
shorelines, especially along south and west facing coasts, with
localized storm surge exacerbating the impacts of a prolonged period
of damaging surf.

4. Do not focus on the exact forecast track or intensity of Lane,
and be prepared for adjustments to the forecast. Although the
official forecast does not explicitly indicate Lane's center making
landfall over any of the islands, this could still occur. Even if
the center of Lane remains offshore, severe impacts could still be
realized as they extend well away from the center.

The storm has sustained winds of 130 MPH

NWS Central Pacific Hurricane Center Honolulu HI EP142018
1100 AM HST Thu Aug 23 2018

KEY MESSAGES:

1. It is vital that you do not focus on the exact forecast track or
intensity of Lane, and be prepared for adjustments to the forecast.
Although the official forecast does not explicitly indicate Lane's
center making landfall over any of the islands, this remains a very
real possibility. Even if the center of Lane remains offshore,
severe impacts could still be realized as they extend well away from
the center.

2. Lane will pass dangerously close to the main Hawaiian Islands as
a hurricane on Friday, and is expected to bring damaging winds.
These winds can be accelerated over and downslope from elevated
terrain, and will be higher in high rise buildings.

3. The slow movement of Lane also greatly increases the threat for
prolonged heavy rainfall and extreme rainfall totals. This is
expected to lead to major, life-threatening flash flooding and
landslides over all Hawaiian Islands.

4. Large and damaging surf can be expected along exposed
shorelines, especially along south and west facing coasts, with
localized storm surge exacerbating the impacts of a prolonged period
of damaging surf.

At 200 AM HST (1200 UTC), the center of Hurricane Lane was located
near latitude 18.4 North, longitude 158.0 West. Lane is moving
toward the north near 5 mph (8 km/h), and this general motion is
expected to continue today. A turn toward the west is anticipated
Saturday, with an increase in forward speed. On the latest forecast
track, the center of Lane will move over, or dangerously close to
portions of the main Hawaiian islands later today and tonight.

Maximum sustained winds are near 120 mph (195 km/h) with higher
gusts. Lane remains a powerful category 3 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Some weakening is forecast
from later today and tonight through late Saturday, but Lane is
expected to remain a dangerous hurricane as it approaches 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 125
miles (205 km).

----------------------
WIND: Tropical storm conditions are already occurring on the Big
Island, Maui County and Oahu. These conditions will likely persist
through this morning. Hurricane conditions are expected over some
areas of Maui County and Oahu starting later today or tonight.
Tropical storm or hurricane conditions are possible on Kauai
starting tonight or 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 catastrophic and life-threatening flash
flooding and landslides. Lane is expected to produce total rain
accumulations of 10 to 20 inches, with localized amounts of 30 to 40
inches possible over portions of the Hawaiian Islands. Over two feet
of rain has already fallen at a few locations on the windward side
of the Big Islands.

SURF: Very large swells generated by the slow moving hurricane will
severely impact the Hawaiian Islands into this weekend. These swells
will produce life-threatening and damaging surf along exposed
shorelines. In addition, a prolonged period of extreme surf will
also 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.

Hawaii, especially the Big Island, is certainly getting a deluge. Great potential for flooding, landslides. They're talking about FEET of rain in some places. One INCH of rain is really a lot fo rain.

Lane is a tropical storm and weakening but the damage has been done
bolding mine

SUMMARY OF 500 AM HST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...19.8N 158.4W
ABOUT 110 MI...175 KM SSW OF HONOLULU HAWAII
ABOUT 165 MI...265 KM SSE OF LIHUE HAWAII
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 3 MPH...6 KM/H
MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES

AZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are still expected in and near
outer rain bands that will affect Oahu and Maui County today.
Tropical storm conditions are possible on Kauai starting later
today.

RAINFALL: Lane's outer rain bands will produce excessive rainfall
this weekend, which could lead to additional flash flooding and
landslides. Lane is expected to produce additional rain
accumulations of 5 to 10 inches in some areas. Localized storm total
amounts well in excess of 40 inches have already been observed along
the windward side of the Big Island.

SURF: Large swells generated by Lane will impact the Hawaiian
Islands. These swells will produce high surf along exposed south and
east shorelines today.

www.prh.noaa.gov/hnl/pages/lsr.php



Hilo Airport measured 31.85 inches of rain for the three day period

running from 12 midnight HST August 22 through 1159 PM HST August

24. This is the wettest three day period ever observed at Hilo,

with records dating back to 1949. Hilo also measured 15.00 inches

of rain on August 24, which was the fifth wettest calendar day on

record.



Here are some of the notable rainfall totals from the ongoing

event, covering the 3-day period from noon HST August 22 through

noon HST August 25. All values are in inches, and are preliminary

pending final quality control.



Island of Hawaii

Mountain View : 46.93

Waiakea Uka : 46.35

Piihonua : 44.98

Saddle Quarry (USGS) : 44.27

Waiakea Experiment Station : 41.49

Glenwood : 33.23

Kulani NWR : 26.92

Pahoa : 24.49

Keaumo : 23.61

Kawainui Stream (USGS) : 15.01

Puu Mali : 13.24



Island of Maui

West Wailuaiki (USGS) : 18.57

Puu Kukui (USGS) : 12.96

Haiku : 8.17

Hana Airport : 5.24





In addition to the automated site totals, volunteer observers

with the Community Collaborative Rain, Hail, and Snow Network, or

CoCoRaHS, reported the following 48-hour totals from 7 AM HST,

August 22 through 7 AM HST, August 24. All values are in inches.



HI-HI-34 Honokaa 2.7 ESE : 31.16

HI-HI-50 Paauilo 2.4 SW : 26.96

HI-HI-11 Papaikou 1.1 N : 19.70 (48-hr total through 7 AM HST

August 24)