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BULLETIN
TROPICAL STORM MARTY INTERMEDIATE ADVISORY NUMBER   8A
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172015
100 PM CDT MON SEP 28 2015

...AIRCRAFT NEARING MARTY....


SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...16.2N 103.0W
ABOUT 140 MI...225 KM SW OF ZIHUATANEJO MEXICO
ABOUT 210 MI...340 KM WSW OF ACAPULCO MEXICO
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 3 MPH...6 KM/H
MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES


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

None

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

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

A Tropical Storm Watch is in effect for...
* Acapulco to east of Tecpan de Galeana
* west of Lazaro Cardenas to Punta San Telmo

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

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

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 100 PM CDT (1800 UTC), the center of Tropical Storm Marty was
located near latitude 16.2 North, longitude 103.0 West. Marty is
moving toward the north near 3 mph (6 km/h).  A slow northward to
north-northeastward motion should continue for the next couple of
days. On the forecast track, the center of Marty is expected to near
the southwestern coast of Mexico through Wednesday but remain
offshore.

Maximum sustained winds remain near 70 mph (110 km/h) with higher
gusts.  Little change in strength is expected today, but weakening
is forecast to begin on Tuesday.

Tropical storm force winds extend outward up to 105 miles (165 km)
from the center.

The estimated minimum central pressure is 990 mb (29.24 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are possible within the warning
area by early Tuesday.  Tropical storm conditions are possible
within the watch area 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 Guerro 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.

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 complete advisory at 400 PM CDT.

$$
Forecaster Blake

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