Tropical Storm Olivia Public Advisory Number 046, 11 September 2018

Accessed on 12 September 2018, 0438 UTC, Post #687.

Source:

http://www.prh.noaa.gov/cphc/tcpages/?storm=olivia

Here’s the latest situation report on Tropical Storm Olivia from the Central Pacific Hurricane Center in Honolulu, Hawaii:

WTPA35 PHFO 120253
TCPCP5
 
BULLETIN
Tropical Storm Olivia Advisory Number  46
NWS Central Pacific Hurricane Center Honolulu HI   EP172018
500 PM HST Tue Sep 11 2018
 
...CENTER OF OLIVIA APPROACHING MAUI COUNTY AND THE BIG ISLAND...
 
 
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...20.9N 154.2W
ABOUT 100 MI...165 KM NE OF HILO HAWAII
ABOUT 240 MI...385 KM E OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 260 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* Kauai County...including the islands of Kauai and Niihau
* Oahu
* Maui County...including the islands of Maui, Molokai, Lanai, and
Kahoolawe
* Hawaii County
 
Interests in the Northwest Hawaiian Islands should monitor the
progress of Olivia.
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere in the warning area within 36 hours.
 
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
Honolulu Hawaii.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 PM HST (0300 UTC), the center of Tropical Storm Olivia was
located near latitude 20.9 North, longitude 154.2 West. Olivia is
moving toward the west near 15 mph (24 km/h). A general west-
southwest motion with a slower forward speed is expected this
evening as the center of Olivia approaches Maui and the Big Island.
After Olivia moves past the islands, a somewhat faster west-
southwest motion is expected to resume amd continue for the
next couple of days.
 
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Gradual weakening is forecast during the next 48 hours, but Olivia
is expected to remain a tropical storm as it moves over the main
Hawaiian Islands.
 
Tropical-storm-force winds extend outward up to 105 miles (165 km),
mainly to the north of the center.
 
The estimated minimum central pressure is 1003 mb (29.62 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND: Tropical storm conditions are expected over portions of
Maui County and the Big Island starting this evening. Tropical
storm conditions are expected over Oahu starting tonight. Tropical
storm conditions are expected over Kauai County starting Wednesday.
Remember that wind gusts can be much stronger near higher terrain,
particularly through gaps between mountains and where winds blow
downslope.
 
RAINFALL: Showers will continue to increase over portions of the
main Hawaiian Islands tonight and Wednesday. Olivia is expected to
produce total rainfall accumulations of 5 to 10 inches in some
areas, with isolated maximum amounts of 15 inches possible,
especially in higher terrain. This rainfall may produce
life-threatening flash flooding.
 
SURF: Large swells generated by Olivia will impact the main Hawaiian
Islands over the next couple of days. This will result in
dangerously high and potentially damaging surf, mainly along
exposed east facing shores.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 PM HST.
Next complete advisory at 1100 PM HST.
 
$$
Forecaster R Ballard
------------------
As of 1800 HST, gusty winds and light rain 
have started in Laupahoehoe along the Hamakua
Coast.  Olivia is moving toward the island of
Maui where strong winds and heavy showers are
expected. Stay safe.
------------------
Once Tropical Storm Olivia leaves the state we 
can focus on a fun contest activity that should
help us forget recent storms and bad weather.
The Fifth Annual Hawaiian Grid Madness is coming
on Sunday, 16 September 2018, from 1300 to 1700
HST.  The Aulani Hui Amateur Repeater Club sponsors
this VHF/UHF simplex event "to test your equipment,
coverage and operating skills using simplex FM on
2 meters and 70 cm."  For details, please visit
https://gridmadness.blogspot.com.
------------------
For the latest Amateur/Ham news and information,
please check the blog sidebars and links.  These
news feeds are updated daily and weekly.

Aloha es 73 de
Russell Roberts (KH6JRM)
Public Information Coordinator
Hawaii County, ARRL Pacific Section

Retired News director of Pacific Radio Group Radio Stations on Hawaii-the Big Island. I have more than 40 years of broadcast experience, including positons at KTUH-FM (UH-Manoa), KPOI-FM (Honolulu). KHLO-AM (Hilo), KKBG-FM (KBIG-FM)(Hilo/Kona), KAPA-FM (Hilo-Kona). Native-FM (Hilo-Kona), and ESPN Hawaii (Hilo-Kona). Former University of Hawaii-Hilo librarian. Retired Air Force Officer. Amateur (Ham) Radio operator since 1977 (currently holds the Amateur Extra Class License from the FCC-KH6JRM).... Can read, write, and speak Russian. Retired on 30 September 2011, but still maintains a Hawaii Island News Blog.

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Posted in Amateur/Ham Radio, ARES, ARRL, Big Island ARRL News, Big Island of Hawaii ARRL info, Club Activities, Contests, Hawaii Island Amateur Radio Clubs
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