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BULLETIN
Hurricane Rosa Advisory Number   9
NWS National Hurricane Center Miami FL       EP202018
300 AM MDT Thu Sep 27 2018

...ROSA FORECAST TO BECOME A MAJOR HURRICANE LATER TODAY OR
FRIDAY...


SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...17.1N 114.1W
ABOUT 630 MI...1015 KM WSW OF PUERTO VALLARTA MEXICO
ABOUT 485 MI...780 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES


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


DISCUSSION AND OUTLOOK
----------------------
At 300 AM MDT (0900 UTC), the center of Hurricane Rosa was located
near latitude 17.1 North, longitude 114.1 West. Rosa is moving
toward the west near 12 mph (19 km/h).  This general motion is
expected to continue today with a slower motion toward the
west-northwest on Friday and toward the northwest on Saturday.

Maximum sustained winds remain near 85 mph (140 km/h) with higher
gusts.  Rosa is forecast to become a major hurricane later today
or early Friday.

Hurricane-force winds extend outward up to 30 miles (45 km) from the
center and tropical-storm-force winds extend outward up to 105 miles
(165 km).

The estimated minimum central pressure is 981 mb (28.97 inches).


HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by Rosa will affect portions of the coast of
southwestern Mexico and the southern Baja California Peninsula
late this week and over the weekend.  These swells are likely to
cause life-threatening surf and rip current conditions.  Please
consult products from your local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 900 AM MDT.

$$
Forecaster Avila

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