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BULLETIN
TROPICAL STORM DARBY INTERMEDIATE ADVISORY NUMBER  44A
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
800 AM HST FRI JUL 22 2016
 
...FIRST HURRICANE HUNTER MISSION HEADING INTO DARBY...
 
 
SUMMARY OF 800 AM HST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...18.6N 150.5W
ABOUT 390 MI...630 KM E OF HILO HAWAII
ABOUT 595 MI...955 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:
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm warning is in effect for...
* Hawaii County
A Tropical Storm watch is in effect for...
* 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.
 
A Tropical Storm watch means that tropical storm conditions are
possible within the watch area within 48 hours.
 
Interests elsewhere in the Hawaiian Islands should monitor the
progress of Darby. Watches may be required for additional islands
later tonight or Saturday.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 AM HST (1800 UTC), the center of Tropical Storm Darby was
located near latitude 18.6 North, longitude 150.5 West. Darby is
moving toward the west near 12 mph (19 km/h) and this motion is
expected to continue through Saturay, then become northwestward
Sunday. On the forecast track, 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.
Little change in strength is forecast through Sunday.
 
Tropical-storm-force winds extend outward up to 115 miles (185 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
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:  Heavy rains associated with Darby are expected to reach
the Big Island and portions of Maui county late Friday, potentially
impacting the remainder of the state Saturday.  These rains could
cause life-threatening flash floods as well as rock and mud slides.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 AM HST.
 
$$
Forecaster Kodama
 
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