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BULLETIN
TROPICAL STORM DARBY INTERMEDIATE ADVISORY NUMBER  54A
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
800 PM HST SUN JUL 24 2016
 
...CENTER OF DARBY OFF THE WINDWARD COAST OF KAUAI AND MOVING
NORTHWEST...
 
 
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...22.0N 159.0W
ABOUT 20 MI...35 KM ENE OF LIHUE HAWAII
ABOUT 85 MI...135 KM WNW OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 13 MPH...21 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* Oahu
* Kauai County, including the islands of Kauai and Niihau
 
A Tropical Storm Warning means that tropical storm conditions are
imminent or already occurring. In this case, Tropical Storm
conditions are expected over Oahu and Kauai through tonight.
 
For storm information specific to your area, please monitor
products issued by the National Weather Service office in
Honolulu Hawaii.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 PM HST (0600 UTC), the center of Tropical Storm Darby was
located near latitude 22.0 North, longitude 159.0 West. Darby is
moving toward the northwest near 13 mph (21 km/h) and this motion
is expected to continue over the next 48 hours. On the forecast
track, the center of Darby will pass northeast of Kauai tonight. 
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts,
mainly to the northeast of the center. Darby is expected to weaken
to a tropical depression on Monday, and become a post-tropical
remnant low in about 2 days.
 
Tropical-storm-force winds extend outward up to 80 miles (130 km)
from the center, mainly to the northeast of the center.
 
The estimated minimum central pressure is 1009 mb (29.80 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical Storm force winds are expected over Oahu and Kauai
tonight.
 
SURF:  Swells generated by Darby will affect Kauai and Oahu tonight
before diminishing Monday.
 
RAINFALL:  Additional rainfall of 2 to 5 inches, with
possible isolated maximum amounts of up to 7 inches, can be expected
over portions of the Hawaiian Islands through Monday.  These
torrential rains could produce life-threatening flash floods and
landslides.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Birchard
 
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