BULLETIN
HURRICANE KATIA ADVISORY NUMBER 49
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
500 AM AST SAT SEP 10 2011
...KATIA EXPECTED TO BECOME POST-TROPICAL LATER TODAY...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
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LOCATION...43.3N 53.4W
ABOUT 515 MI...830 KM E OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 44 MPH...70 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES
WATCHES AND WARNINGS
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THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
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AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE KATIA WAS LOCATED
NEAR LATITUDE 43.3 NORTH...LONGITUDE 53.4 WEST. KATIA IS MOVING
TOWARD THE EAST-NORTHEAST NEAR 44 MPH...70 KM/H. THIS GENERAL MOTION
IS EXPECTED DURING THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME WEAKENING IS FORECAST...AND KATIA IS EXPECTED TO LOSE
ITS TROPICAL CHARACTERISTICS LATER TODAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 310
MILES...500 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
HAZARDS AFFECTING LAND
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SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT THE
NEW ENGLAND...ATLANTIC CANADA...AND BERMUDA TODAY. 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
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NEXT COMPLETE ADVISORY...1100 AM AST.
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