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BULLETIN
Tropical Storm Olivia Advisory Number  50
NWS Central Pacific Hurricane Center Honolulu HI   EP172018
500 PM HST Wed Sep 12 2018
 
...WEAKENING OLIVIA MOVING AWAY FROM THE STATE TOWARD THE
WEST-SOUTHWEST...
 
 
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...20.1N 159.0W
ABOUT 110 MI...175 KM SW OF HONOLULU HAWAII
ABOUT 145 MI...235 KM WSW OF KAUNAKAKAI HAWAII
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WSW OR 255 DEGREES AT 20 MPH...31 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
The Tropical Storm Warning has been discontinued for Oahu and Maui
County...including the islands of Maui...Molokai...and Lanai.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
There are no coastal watches or warnings in effect.
 
Interests in the Northwest Hawaiian Islands should monitor the
progress of Olivia.
 
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 20.1 North, longitude 159.0 West. Olivia is
moving toward the west-southwest near 20 mph (31 km/h). This motion
is expected to continue through tomorrow with a slight decrease in
forward speed, followed by a turn toward the west on Friday.
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Weakening is forecast during the next 48 hours, and Olivia is
expected to become a post-tropical remnant low on Thursday night or
Friday.
 
Tropical-storm-force winds extend outward up to 70 miles (110 km)
from the center.
 
The estimated minimum central pressure is 1007 mb (29.74 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
RAINFALL: Areas of heavy rainfall will persist through Thursday
night. Moisture associated with Olivia is expected to produce total
rainfall accumulations of 5 to 10 inches in some areas, with
isolated amounts of 15 inches, especially in higher terrain. This
rainfall may produce life-threatening flash flooding. Nine inches of
rain have already fallen over parts of Maui.
 
SURF: Large swells generated by Olivia will impact parts of the
main Hawaiian Islands into tonight. This will result in dangerous
surf along east facing shores.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Wroe
 
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