Tropical Storm AGATHA

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TROPICAL STORM AGATHA INTERMEDIATE ADVISORY NUMBER   3A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP012010
500 PM PDT SAT MAY 29 2010
 
...AGATHA GRADUALLY MOVING INLAND OVER THE GUATEMALA/MEXICO
BORDER...TORRENTIAL RAINS SHOULD CONTINUE...
 
 
SUMMARY OF 500 PM PDT...0000 UTC...INFORMATION
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LOCATION...14.8N 92.1W
ABOUT 20 MI...30 KM...E OF TAPACHULA MEXICO
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR
PRESENT MOVEMENT...NE OR 55 DEGREES AT 10 MPH...16 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. THESE WARNINGS
WILL LIKELY BE DISCONTINUED LATER TONIGHT.
 
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 500 PM PDT...0000 UTC...THE CENTER OF TROPICAL STORM AGATHA WAS
LOCATED INLAND NEAR LATITUDE 14.8 NORTH...LONGITUDE 92.1 WEST.
AGATHA IS MOVING TOWARD THE NORTHEAST NEAR 10 MPH...16 KM/HR. THIS
GENERAL MOTION IS FORECAST TO CONTINUE THROUGH TONIGHT AND ON
SUNDAY. ON THE FORECAST TRACK...AGATHA WILL CONTINUE TO MOVE
FARTHER INLAND OVER CENTRAL AMERICA.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65
KM/HR...WITH HIGHER GUSTS.  AGATHA IS EXPECTED TO WEAKEN FURTHER
OVER THE HIGH TERRAIN OF CENTRAL AMERICA.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM
PRIMARILY OVER WATER TO THE SOUTHEAST OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM-FORCE WINDS ARE EXPECTED TO CONTINUE ALONG THE
COASTAL SECTIONS OF GUATEMALA. THESE WINDS SHOULD GRADUALLY BEGIN
TO SUBSIDE.
 
RAINFALL...DESPITE WEAKENING...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. THE METEOROLOGICAL SERVICE OF GUATEMALA HAS REPORTED UP TO
14 INCHES OF RAIN DURING THE PAST FEW DAYS.
 
STORM SURGE...THE METEOROLOGICAL SERVICE OF EL SALVADOR HAS REPORTED
THAT LARGE WAVES WERE AFFECTING THE COAST. FLOODING AND LARGE
WAVES CURRENTLY OCCURRING TO THE SOUTHEAST OF THE CENTER IN AREAS
OF ONSHORE FLOW SHOULD BEGIN TO GRADUALLY DECREASE.
 
 
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...800 PM PDT.
 
$$
FORECASTER AVILA/CANGIALOSI
 
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