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Tropical Storm MARTY (Text)


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TROPICAL STORM MARTY INTERMEDIATE ADVISORY NUMBER  11A
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172015
700 AM CDT TUE SEP 29 2015

...MARTY MOVING SLOWLY OFF THE COAST OF MEXICO...


SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...16.3N 101.6W
ABOUT 95 MI...155 KM S OF ZIHUATANEJO MEXICO
ABOUT 120 MI...195 KM WSW OF ACAPULCO MEXICO
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...E OR 90 DEGREES AT 2 MPH...4 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Acapulco to Lazaro Cardenas

A Tropical Storm Watch is in effect for...
* 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
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 700 AM CDT (1200 UTC), the center of Tropical Storm Marty was
located near latitude 16.3 North, longitude 101.6 West. Marty is
drifting toward the east near 2 mph (4 km/h), and a gradual turn
toward the east-northeast is forecast later today.  A turn toward
the north is expected early Wednesday followed by a turn toward the
west-northwest Wednesday afternoon.  On the forecast track, the
center of Marty is expected to be near but just offshore of the
southwestern coast of Mexico today through Wednesday. However, only
a small deviation to the right of the forecast track would bring the
center onshore.

Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts. Weakening is forecast during the next couple of days.

Tropical storm force winds extend outward up to 80 miles (130 km)
from the center.

The estimated minimum central pressure is 993 mb (29.33 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are expected within the tropical
storm warning area by midday today.  Tropical storm conditions are
possible within the watch area by tonight.

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 storm surge is expected to produce 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 complete advisory at 1000 AM CDT.

$$
Forecaster Beven

NNNN

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Page last modified: Thursday, 31-Dec-2015 12:09:52 UTC