[Tropical] Public Tropical Cyclone Advisory

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WTNT31 KNHC 250238
TCPAT1

BULLETIN
TROPICAL STORM OPHELIA ADVISORY NUMBER  17
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL162011
1100 PM AST SAT SEP 24 2011

...OPHELIA STRUGGLING TO SURVIVE AS A TROPICAL CYCLONE...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.3N 58.4W
ABOUT 310 MI...495 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE CENTER OF TROPICAL STORM OPHELIA WAS
ESTIMATED TO BE NEAR LATITUDE 18.3 NORTH...LONGITUDE 58.4 WEST.
OPHELIA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/H.
A WEST-NORTHWESTWARD TO NORTHWESTWARD MOTION WITH A DECREASE IN
FORWARD SPEED IS EXPECTED THROUGH LATE MONDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48
HOURS.  HOWEVER...OPHELIA COULD DEGENERATE INTO A TROUGH OF LOW
PRESSURE AT ANY TIME IF IT NO LONGER HAS A WELL-DEFINED CENTER.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM
MAINLY TO THE NORTH AND EAST OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES.


HAZARDS AFFECTING LAND
----------------------
NONE


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST.

$$
FORECASTER BERG



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