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BULLETIN
HURRICANE DARBY ADVISORY NUMBER  28
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP052016
800 AM PDT MON JUL 18 2016

...DARBY WEAKENING OVER COOL WATER...
...EXPECTED TO BECOME A TROPICAL STORM LATER TODAY...


SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...18.7N 131.1W
ABOUT 1395 MI...2250 KM W OF THE SOUTHERN TIP OF BAJA CALIFORNIA
ABOUT 1565 MI...2520 KM E OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 AM PDT (1500 UTC), the center of Hurricane Darby was located
near latitude 18.7 North, longitude 131.1 West. Darby is moving
toward the west near 10 mph (17 km/h).  A westward to
west-northwestward motion with a slight increase in forward speed is
expected during the next couple of days.

Maximum sustained winds have decreased to near 75 mph (120 km/h)
with higher gusts.  Additional weakening is forecast during the next
48 hours, and Darby should become a tropical storm later today.

Hurricane-force winds extend outward up to 30 miles (45 km) from the
center and tropical-storm-force winds extend outward up to 90 miles
(150 km).

The estimated minimum central pressure is 988 mb (29.18 inches).


HAZARDS AFFECTING LAND
----------------------
None.


NEXT ADVISORY
-------------
Next complete advisory at 200 PM PDT.

$$
Forecaster Roberts

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