000
WTNT32 KNHC 092041
TCPAT2
 
BULLETIN
HURRICANE KATIA ADVISORY NUMBER  47
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL122011
500 PM AST FRI SEP 09 2011
 
...KATIA A LARGE HURRICANE OVER THE OPEN NORTH ATLANTIC...
 
 
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...40.6N 62.7W
ABOUT 585 MI...940 KM N OF BERMUDA
ABOUT 280 MI...450 KM S OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 38 MPH...61 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.64 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 HURRICANE KATIA WAS LOCATED
NEAR LATITUDE 40.6 NORTH...LONGITUDE 62.7 WEST. KATIA IS MOVING
TOWARD THE EAST-NORTHEAST NEAR 38 MPH...61 KM/H...AND THIS GENERAL
MOTION ACCOMPANIED BY A GRADUAL INCREASE IN FORWARD SPEED IS
EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/H...WITH HIGHER
GUSTS.  KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  ONLY SLOW WEAKENING IS FORECAST DURING THE
NEXT 48 HOURS...AND KATIA IS EXPECTED TO BECOME A POST-TROPICAL
CYCLONE ON SATURDAY.
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 255
MILES...410 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 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 PM AST.
 
$$
FORECASTER STEWART