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BULLETIN
TROPICAL STORM DARBY INTERMEDIATE ADVISORY NUMBER  50A
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
800 PM HST SAT JUL 23 2016
 
...DARBY EMERGES BACK OVER WATER WEST OF THE BIG ISLAND...
 
 
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...19.4N 156.3W
ABOUT 25 MI...40 KM SW OF KAILUA-KONA HAWAII
ABOUT 165 MI...265 KM SE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 11 MPH...18 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* All islands in the state of Hawaii.
 
A Tropical Storm Warning means that tropical storm conditions are
imminent or already occurring. In this case, tropical storm
conditions are occurring over portions of the Big Island, and are
expected over Maui County and Oahu later tonight and Sunday.
 
Interests in the eastern portion of the Papahanaumokuakea Marine
National Monument should monitor the progress of Darby.
 
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 apparent center of Tropical Storm
Darby has emerged off the west coast of the Big Island, and is
located near latitude 19.4 North, longitude 156.3 West. Darby is
moving toward the west near 11 mph (18 km/h). Darby is forecast to
make a turn toward the northwest later tonight and continue moving
northwestward over the next 48 hours, with little change in forward
speed.
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Slight weakening is forecast during the next 48 hours.
 
Tropical storm force winds extend outward up to 70 miles (110 km)
from the center. Sustained winds of 43 mph and wind gusts to 61
mph were reported in Kohala Ranch on the Big Island earlier this
afternoon.
 
The estimated minimum central pressure is 1004 mb (29.65 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm force winds are expected over the Big Island
tonight, over portions of Maui County later tonight and Sunday, over
Oahu Sunday and Sunday night, and over Kauai County Sunday night and
Monday.
 
SURF:  Swells generated by Darby are expected to impact the
Hawaiian Islands over the next day or so, with swells diminishing
thereafter.
 
RAINFALL:  Storm total rainfall of 8 to 12 inches, with possible
isolated maximum amounts of 15 inches. These rains could produce
life-threatening flash floods and landslides.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
 
$$
Forecaster Houston/Jelsema
 
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