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BULLETIN
TROPICAL STORM MARTY ADVISORY NUMBER   6
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172015
1000 PM CDT SUN SEP 27 2015

...MARTY STRENGTHENS SOME AS IT DRIFTS NORTHWARD...


SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...15.3N 103.0W
ABOUT 190 MI...305 KM SSW OF ZIHUATANEJO MEXICO
ABOUT 235 MI...375 KM WSW OF ACAPULCO MEXICO
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...N OR 0 DEGREES AT 2 MPH...4 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Watch is in effect for...
* Acapulco, Mexico to Lazaro Cardenas, Mexico

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

A Tropical Storm Warning may be required for portions of the watch
area by Monday morning.

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 Tropical Storm Marty was
located near latitude 15.3 North, longitude 103.0 West. Marty is
drifting toward the north near 2 mph (4 km/h), and this general
motion is expected to continue tonight. A slow motion toward the
northeast is expected by Monday afternoon and should continue
through into Tuesday morning.  On the forecast track, the center of
Marty is expected to near but remain offshore the southwestern
coast of Mexico on Tuesday.

Maximum sustained winds have increased to near 65 mph (100 km/h)
with higher gusts.  Little change in strength is expected through
Monday night. The tropical storm is forecast to weaken on Tuesday.

Tropical-storm-force winds extend outward up to 90 miles (150 km)
from the center.

The estimated minimum central pressure is 994 mb (29.36 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are possible within the watch area
by Monday night.

RAINFALL:  Marty is expected to produce rainfall amounts of 6 to 12
inches over the southern Mexican state of Guerrero through Thursday,
with isolated amounts near 20 inches 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.


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

$$
Forecaster Stewart

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