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WTNT32 KNHC 090900
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BULLETIN
HURRICANE KATIA ADVISORY NUMBER  45
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL122011
500 AM AST FRI SEP 09 2011

...KATIA MOVING TOWARD THE NORTHEAST OVER THE OPEN ATLANTIC...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...37.6N 67.5W
ABOUT 395 MI...640 KM NNW OF BERMUDA
ABOUT 525 MI...845 KM SSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 24 MPH...39 KM/H
MINIMUM CENTRAL PRESSURE...967 MB...28.56 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 37.6 NORTH...LONGITUDE 67.5 WEST. KATIA IS MOVING
TOWARD THE NORTHEAST NEAR 24 MPH...39 KM/H...AND THIS MOTION IS
EXPECTED TO CONTINUE FOR THE NEXT 48 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/H...WITH HIGHER
GUSTS.  KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  SOME WEAKENING IS FORECAST DURING THE NEXT 48 HOURS AND
KATIA SHOULD BECOME A POST-TROPICAL CYCLONE IN A DAY OR TWO.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 255
MILES...410 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 967 MB...28.56 INCHES.


HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST
OF THE EAST COAST OF THE UNITED STATES AND BERMUDA. THESE SWELLS ARE
LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS.
PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR
ADDITIONAL INFORMATION.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM AST.

$$
FORECASTER AVILA


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