Tropical Storm AGATHA

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BULLETIN
TROPICAL STORM AGATHA ADVISORY NUMBER   3
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL     EP012010
200 PM PDT SAT MAY 29 2010
 
...AGATHA MOVING A LITTLE FASTER TOWARD GUATEMALA...
...HEAVY RAINS AND GUSTY WINDS AFFECTING THE WARNING AREA AND
SPREADING INLAND...
 
 
SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
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LOCATION...13.9N 92.4W
ABOUT 60 MI...100 KM...S OF TAPACHULA MEXICO
ABOUT 105 MI...170 KM...W OF PUERTO DE SAN JOSE GUATEMALA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/HR
PRESENT MOVEMENT...NE OR 55 DEGREES AT 7 MPH...11 KM/HR
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 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 200 PM PDT...2100 UTC...THE CENTER OF TROPICAL STORM AGATHA WAS
LOCATED NEAR LATITUDE 13.9 NORTH...LONGITUDE 92.4 WEST. AGATHA IS
MOVING TOWARD THE NORTHEAST NEAR 7 MPH...11 KM/HR...AND THIS GENERAL
MOTION IS FORECAST TO CONTINUE THROUGH TONIGHT AND SUNDAY. ON THE
FORECAST TRACK...AGATHA IS EXPECTED TO MAKE LANDFALL ALONG THE
NORTHWESTERN OR CENTRAL COAST OF GUATEMALA LATER TONIGHT OR EARLY
SUNDAY MORNING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/HR...WITH HIGHER
GUSTS.  SOME SLIGHT STRENGTHENING IS FORECAST TONIGHT BEFORE AGATHA
MAKES LANDFALL.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM
FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM-FORCE WINDS ARE EXPECTED TO REACH THE PACIFIC
COASTS OF GUATEMALA AND SOUTHEASTERN MEXICO LATER THIS EVENING.  ALL
PREPAREDNESS ACTIONS SHOULD BE COMPLETED.
 
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.
 
 
NEXT ADVISORY
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NEXT INTERMEDIATE ADVISORY...500 PM PDT.
NEXT COMPLETE ADVISORY...800 PM PDT.
 
$$
FORECASTER STEWART/KIMBERLAIN
 
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