TROPICAL DEPRESSION HARVEY ADVISORY 10

[Nws Olney Maryland]

BULLETIN
TROPICAL DEPRESSION HARVEY ADVISORY NUMBER 10
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082011
400 AM CDT SUN AUG 21 2011

...HARVEY MOVING WESTWARD ACROSS SOUTHEASTERN MEXICO...


SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...17.7N 92.0W
ABOUT 60 MI...95 KM ESE OF VILLAHERMOSA MEXICO
ABOUT 100 MI...160 KM NE OF TUXTLA GUTIERREZ MEXICO
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES


WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 400 AM CDT...0900 UTC...THE CENTER OF TROPICAL DEPRESSION HARVEY
WAS LOCATED INLAND OVER SOUTHEASTERN MEXICO NEAR LATITUDE 17.7
NORTH...LONGITUDE 92.0 WEST. THE DEPRESSION IS MOVING TOWARD THE
WEST NEAR 15 MPH...24 KM/H...AND A DECREASE IN FORWARD SPEED IS
EXPECTED OVER THE NEXT DAY OR SO UNTIL HARVEY DISSIPATES. ON THE
FORECAST TRACK...THE CENTER OF HARVEY WILL MOVE WESTWARD ACROSS
SOUTHEASTERN MEXICO JUST TO THE SOUTH OF THE BAY OF CAMPECHE
COASTLINE.

MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/H...WITH HIGHER
GUSTS. HARVEY IS FORECAST TO WEAKEN AND DISSIPATE OVER SOUTHERN
MEXICO BY EARLY MONDAY.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES.


HAZARDS AFFECTING LAND
----------------------
RAINFALL...HARVEY IS EXPECTED TO PRODUCE TOTAL RAINFALL
ACCUMULATIONS OF 3 TO 6 INCHES ACROSS GUATEMALA AND SOUTHEASTERN
MEXICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 10 INCHES.
THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND
MUDSLIDES...ESPECIALLY OVER HIGHER TERRAIN.


NEXT ADVISORY
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NEXT COMPLETE ADVISORY...1000 AM CDT.