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BULLETIN
TROPICAL STORM DARBY ADVISORY NUMBER  40
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
500 AM HST THU JUL 21 2016
 
...DARBY HEADING TOWARD HAWAII WITH LITTLE CHANGE IN STRENGTH...
 
 
SUMMARY OF 500 AM HST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...18.9N 145.2W
ABOUT 645 MI...1040 KM E OF HILO HAWAII
ABOUT 840 MI...1350 KM E OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...WSW OR 250 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
Interests in the Hawaiian Islands should monitor the progress of
Darby.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 AM HST (1500 UTC), the center of Tropical Storm Darby was
located near latitude 18.9 North, longitude 145.2 West. Darby is
moving toward the west-southwest near 15 mph (24 km/h). Darby will
gradually turn toward the west with a slight decrease in
forward speed over the next 48 hours.
 
Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts.  Little change in strength is forecast during the next 48
hours. 
 
Tropical-storm-force winds extend outward up to 110 miles (175 km)
from the center.
 
The estimated minimum central pressure is 998 mb (29.47 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
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Next complete advisory at 1100 AM HST.
 
$$
Forecaster Donaldson
 
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