TROPICAL STORM KATIA ADVISORY 23

[Nws Olney Maryland]

BULLETIN
TROPICAL STORM KATIA ADVISORY NUMBER 23
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
500 PM AST SAT SEP 03 2011

...KATIA SPARRING WITH STRONG UPPER-LEVEL WINDS...KNOCKED DOWN TO A
TROPICAL STORM FOR THE SECOND TIME...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...19.9N 56.8W
ABOUT 430 MI...690 KM ENE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.32 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 PM AST...2100 UTC...THE CENTER OF TROPICAL STORM KATIA WAS
LOCATED NEAR LATITUDE 19.9 NORTH...LONGITUDE 56.8 WEST. KATIA IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH...110
KM/H...WITH HIGHER GUSTS. FLUCTUATIONS IN INTENSITY ARE POSSIBLE
OVER THE NEXT DAY OR SO...AND KATIA COULD RE-STRENGTHEN BACK TO A
HURRICANE AT ANY TIME.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 993 MB...29.32 INCHES.


HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY KATIA ARE AFFECTING THE LESSER ANTILLES
AND COULD BEGIN TO AFFECT BERMUDA BY TONIGHT OR SUNDAY. THESE
SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT
CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 PM AST.