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...Agatha moving slowly northeastward towards Guatemala...
...Heavy rains and gusty winds affecting extreme southeastern
Mexico...Guatemala...and western El Salvador...


summary of 1100 am PDT...1800 UTC...information
-----------------------------------------------
location...13.3n 93.1w
about 120 mi...195 km...S of tapachula Mexico
about 160 mi...260 km...WSW of Puerto de San Jose Guatemala
maximum sustained winds...40 mph...65 km/hr
present movement...NE or 55 degrees at 5 mph...7 km/hr
minimum central pressure...1003 mb...29.62 inches


watches and warnings
--------------------
changes with this advisory...

none.

Summary of watches and warnings in effect...

a Tropical Storm Warning is in effect for...
* the Pacific coasts of extreme southeastern Mexico...all of
Guatemala...and all of El Salvador from Boca de pijijiapan Mexico
southeastward to the El Salvador-Honduras border.

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.

For storm information specific to your area outside United
States...please monitor products issued by your National
meteorological service.


Discussion and 48-hour outlook
------------------------------
at 1100 am PDT...1800 UTC...the center of Tropical Storm Agatha was
located near latitude 13.3 north...longitude 93.1 west. Agatha is
moving toward the northeast near 5 mph...7 km/hr...and this
general motion is expected to continue through Sunday.

Maximum sustained winds are near 40 mph...65 km/hr...with higher
gusts. Additional strengthening is forecast during the next 48
hours.

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

Estimated minimum central pressure is 1003 mb...29.62 inches.


Hazards affecting land
----------------------
wind...tropical storm-force winds are expected to reach the Pacific
coasts of Guatemala and southeastern Mexico later tonight and
Sunday morning...making outside preparations difficult or
dangerous.

Rainfall...this system is expected to produce total rain
accumulations of 10 to 20 inches over extreme southeastern
Mexico...Guatemala...and much of El Salvador...with possible
isolated maximum amounts of 30 inches through Sunday. These rains
could cause life-threatening flash floods and mud slides.

Storm surge...a storm surge is expected to produce significant
coastal flooding near and to the east of where the center makes
landfall. Near the coast...the surge will be accompanied by large
and destructive waves.