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BULLETIN
TROPICAL STORM DARBY ADVISORY NUMBER  45
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
1100 AM HST FRI JUL 22 2016
 
...DARBY MAINTAINING ITS STRENGTH HEADING TOWARDS THE BIG ISLAND...
 
 
SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.5N 151.0W
ABOUT 280 MI...450 KM ESE OF HILO HAWAII
ABOUT 490 MI...785 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
A Tropical Storm Warning has been issued for Maui County.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm warning is in effect for...
* Hawaii County
* Maui County, including the islands of Maui, Molokai, Lanai and
Kahoolawe
 
A Tropical Storm warning means that tropical storm conditions are
expected within the warning area within 36 hours.
 
Interests elsewhere in the Hawaiian Islands should monitor the
progress of Darby. Watches may be required for additional islands
later tonight or Saturday.
 
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 AM HST (2100 UTC), the center of Tropical Storm Darby was
located near latitude 18.5 North, longitude 151.0 West. Darby is
moving toward the west near 12 mph (19 km/h). Darby's forward
motion is expected to slow slightly over the next 24 hours followed
by a turn toward the northwest in about 36 hours. On the forecast
track, the center of Darby is forecast to pass near the Big Island
on Saturday and Maui on Saturday night.
 
Maximum sustained winds are near 60 mph (95 km/h) with higher gusts.
Some weakening is forecast during the next 48 hours. 
 
Tropical-storm-force winds extend outward up to 125 miles (205 km)
from the center.
 
The estimated minimum central pressure is 999 mb (29.50 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical-storm-force winds are expected over the Big Island
starting late tonight, and are possible over portions of Maui
County on Saturday.
 
SURF:  Swells generated by Darby are expected to impact the
Hawaiian Islands over the next couple of days, possibly becoming
damaging along some coastlines today and Saturday.
 
RAINFALL:  Storm total rainfall of 10 to 15 inches with locally
higher amounts...could cause life-threatening flash floods as well
as landslides.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 200 PM HST.
Next complete advisory at 500 PM HST.
 
$$
Forecaster Kodama
 
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