000
WTNT32 KNHC 071447
TCPAT2
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 38
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST WED SEP 07 2011
...KATIA CONTINUES NORTHWESTWARD...LARGE SWELLS AFFECTING BERMUDA
AND MUCH OF THE EAST COAST OF THE UNITED STATES...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...29.2N 68.8W
ABOUT 320 MI...515 KM SW OF BERMUDA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...976 MB...28.82 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* BERMUDA
FOR ADDITIONAL STORM INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY
THE BERMUDA WEATHER SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 29.2 NORTH...LONGITUDE 68.8 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H. A TURN TOWARD
THE NORTH-NORTHWEST IS EXPECTED LATER TODAY...FOLLOWED BY A TURN
TOWARD THE NORTH AND THEN THE NORTH-NORTHEAST WITH AN INCREASE IN
FORWARD SPEED LATE THURSDAY AND EARLY FRIDAY. ON THE FORECAST
TRACK...THE CORE OF KATIA IS EXPECTED TO MOVE BETWEEN THE EAST
COAST OF THE UNITED STATES AND BERMUDA TONIGHT AND THURSDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140
KM/H...WITH HIGHER GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS
FORECAST DURING THE NEXT 48 HOURS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205
MILES...335 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 976 MB...28.82 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST
OF THE EAST COAST OF THE UNITED STATES...BERMUDA...THE GREATER
ANTILLES...AND EAST-FACING BEACHES OF THE BAHAMAS DURING THE NEXT
FEW DAYS. 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.
WIND...TROPICAL-STORM-FORCE WINDS...ESPECIALLY IN GUSTS...ARE
POSSIBLE IN BERMUDA THROUGH THURSDAY.
RAINFALL...KATIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
1 TO 2 INCHES ACROSS BERMUDA.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.
$$
FORECASTER BROWN
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