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BULLETIN
TROPICAL STORM DARBY ADVISORY NUMBER  52
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP052016
500 AM HST SUN JUL 24 2016
 
...DARBY MOVING NORTHWESTWARD TOWARD OAHU AND KAUAI...
 
 
SUMMARY OF 500 AM HST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...19.8N 157.3W
ABOUT 110 MI...180 KM SSE OF HONOLULU HAWAII
ABOUT 205 MI...330 KM SE OF LIHUE HAWAII
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
A Tropical Storm Watch has been issued for portions of the
Papahanaumokuakea Marine National Monument...from Nihoa Island to
French Frigate Shoals.
 
The Tropical Storm Watch has been cancelled for the Big Island of
Hawaii.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
 
* All islands in the state of Hawaii, except the Big Island.
 
A Tropical Storm Watch is in effect for...
 
* Papahanaumokuakea Marine National Monument...from Nihoa Island to
French Frigate Shoals.
 
A Tropical Storm Warning means that tropical storm conditions are
imminent or already occurring. In this case, Tropical Storm
conditions are expected over Maui County and Oahu today through
tonight, and over Kauai late tonight and Monday.
 
A Tropical Storm Watch means that Tropical Storm conditions are
possible within the watch area...generally within 36 to 48 hours.
 
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 500 AM HST (1500 UTC), the center of Tropical Storm Darby was
located near latitude 19.8 North, longitude 157.3 West. Darby is
moving toward the west-northwest near 9 mph (15 km/h) and this
general motion is expected to continue over the next 48 hours.
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Little change in strength is forecast through Monday, with slow
weakening Monday night.
 
Tropical-storm-force winds extend outward up to 80 miles (130 km)
from the center.
 
The estimated minimum central pressure is 1004 mb (29.65 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical Storm force winds are expected over parts of Maui
County and Oahu through tonight, and over Kauai late tonight and
Monday.
 
SURF:  Swells generated by Darby are impacting the Hawaiian Islands,
and will continue through tonight before diminishing on Monday.
 
RAINFALL:  Storm total rainfall of 6 to 10 inches, with isolated
amounts of up to 15 inches. These rains could produce
life-threatening flash floods and landslides.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 AM HST.
Next complete advisory at 1100 AM HST.
 
$$
Forecaster Houston/Jelsema
 
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