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BULLETIN
TROPICAL STORM DARBY ADVISORY NUMBER  55
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
1100 PM HST SUN JUL 24 2016
 
...CENTER OF DARBY BEGINNING TO MOVE NORTHWEST AWAY FROM KAUAI...
...BANDS OF HEAVY RAIN SLAMMING OAHU...
 
 
SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...22.4N 159.4W
ABOUT 30 MI...45 KM N OF LIHUE HAWAII
ABOUT 125 MI...195 KM NW OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 12 MPH...19 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 1100 PM HST (0900 UTC), the center of Tropical Storm Darby was
located near latitude 22.4 North, longitude 159.4 West. Darby is
moving toward the northwest near 12 mph (19 km/h) and this motion is
expected to continue over the next couple of days. 
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Some weakening is forecast during the next 48 hours. Darby is
expected to weaken to a tropical depression on Monday, and become a
post-tropical remnant low by Tuesday.
 
Tropical-storm-force winds extend outward up to 70 miles (110 km)
from 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:  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 intermediate advisory at 200 AM HST.
Next complete advisory at 500 AM HST.
 
$$
Forecaster Birchard
 
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