000
WTPZ35 KNHC 181440
TCPEP5

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