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BULLETIN
HURRICANE MARTY ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172015
1000 PM CDT MON SEP 28 2015

...MARTY MOVING SLOWLY TOWARD THE COAST OF SOUTH-CENTRAL MEXICO...
...HEAVY RAINS MOVING ONSHORE FROM ZIHUATANEJO TO ACAPULCO...


SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...16.7N 102.0W
ABOUT 75 MI...120 KM SSW OF ZIHUATANEJO MEXICO
ABOUT 140 MI...225 KM W OF ACAPULCO MEXICO
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...ENE OR 70 DEGREES AT 3 MPH...6 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Warning is in effect for...
* Tecpan de Galeana to Lazaro Cardenas

A Tropical Storm Warning is in effect for...
* Acapulco to east of Tecpan de Galeana

A Tropical Storm Watch is in effect for...
* west of Lazaro Cardenas to Punta San Telmo

A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area, in this case within 24 hours.
Preparations to protect life and property should be rushed to
completion.

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within
12-24 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within the next
24 hours.

For storm information specific to your area, please monitor
products issued by your national meteorological service.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 1000 PM CDT (0300 UTC), the center of Hurricane Marty was located
near latitude 16.7 North, longitude 102.0 West. Marty is moving
toward the east-northeast near 3 mph (6 km/h), and this general
motion is forecast to continue tonight through Tuesday, with a turn
to the north expected on Wednesday.  On the forecast track, the
center of Marty is expected to be near but just offshore of the
southwestern coast of Mexico Tuesday through Wednesday. However,
only a small deviation to the right of the forecast track would
bring the center onshore.

Maximum sustained winds have decreased to near 75 mph (120 km/h)
with higher gusts.  Some additional weakening is forecast to begin
on Tuesday, but Marty is expected to be near hurricane strength
while it approaches the coast.

Hurricane-force winds extend outward up to 15 miles (30 km) from the
center and tropical-storm-force winds extend outward up to 80 miles
(130 km).

The estimated minimum central pressure is 989 mb (29.21 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Hurricane conditions are expected within the hurricane
warning area by early Tuesday.  Tropical storm conditions are
expected within the tropical storm warning area by midday Tuesday.
Tropical storm conditions are possible within the watch area late
on Tuesday.

RAINFALL:  Marty is expected to produce rainfall amounts of 6 to 12
inches over the Mexican state of Guerrero and 2 to 5 inches over
the state of Michoacan through Thursday.  Isolated amounts of
20 inches are possible in Guerrero from the Sierra Madre del Sur
mountains toward the coast. These rains are expected to produce
life-threatening flash floods and mud slides, especially in areas
of mountainous terrain.

STORM SURGE:  A dangerous storm surge is expected to produce
significant coastal flooding in areas of onshore flow. The surge
will be accompanied by large and destructive waves.

SURF:  Swells generated by Marty are affecting portions of the
coast of southern Mexico.  These swells are likely to cause life-
threatening surf and rip current conditions.  Please consult
products from your local weather office.


NEXT ADVISORY
-------------
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.

$$
Forecaster Stewart

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