000
WTNT32 KNHC 030859
TCPAT2
 
BULLETIN
HURRICANE KATIA ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL122011
500 AM AST SAT SEP 03 2011
 
...KATIA STILL A HURRICANE...
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...19.3N 55.1W
ABOUT 530 MI...850 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE KATIA WAS LOCATED
NEAR LATITUDE 19.3 NORTH...LONGITUDE 55.1 WEST. KATIA IS MOVING
TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H.  A GENERAL MOTION
BETWEEN THE NORTHWEST AND WEST-NORTHWEST WITH NO SIGNIFICANT CHANGE
IN FORWARD SPEED IS EXPECTED DURING THE NEXT FEW DAYS. ON THE
FORECAST TRACK...KATIA WILL PASS WELL TO THE NORTH OF THE LEEWARD
ISLANDS ON SUNDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/H...WITH HIGHER
GUSTS.  KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  SOME SLOW STRENGTHENING IS POSSIBLE THIS
WEEKEND.  
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM...MAINLY TO THE NORTH AND EAST OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 988 MB...29.18 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY KATIA ARE AFFECTING THE LESSER ANTILLES.
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 AM AST.
 
$$
FORECASTER BLAKE