Post by Nws Olney Maryland on Sept 6, 2011 10:09:56 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 32
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 PM AST MON SEP 05 2011
...KATIA BECOMES A CATEGORY FOUR HURRICANE...DANGEROUS RIP CURRENTS
ARE THE MAIN HAZARD ALONG U.S. EAST COAST AND BERMUDA...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...25.8N 64.4W
ABOUT 450 MI...725 KM S OF BERMUDA
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...946 MB...27.94 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 25.8 NORTH...LONGITUDE 64.4 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS GENERAL
MOTION IS EXPECTED TO CONTINUE THROUGH WEDNESDAY
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 135 MPH...215 KM/H...
WITH HIGHER GUSTS. KATIA IS A CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH
ARE POSSIBLE DURING THE NEXT 24 HOURS...FOLLOWED BY SLOW WEAKENING.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205
MILES...335 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 946 MB...27.94 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA ARE EXPECTED 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. SWELLS AFFECTING THE NORTHERN LEEWARD
ISLANDS SHOULD CONTINUE TO SUBSIDE OVERNIGHT. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST.
HURRICANE KATIA ADVISORY NUMBER 32
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 PM AST MON SEP 05 2011
...KATIA BECOMES A CATEGORY FOUR HURRICANE...DANGEROUS RIP CURRENTS
ARE THE MAIN HAZARD ALONG U.S. EAST COAST AND BERMUDA...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...25.8N 64.4W
ABOUT 450 MI...725 KM S OF BERMUDA
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...946 MB...27.94 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 25.8 NORTH...LONGITUDE 64.4 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS GENERAL
MOTION IS EXPECTED TO CONTINUE THROUGH WEDNESDAY
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 135 MPH...215 KM/H...
WITH HIGHER GUSTS. KATIA IS A CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH
ARE POSSIBLE DURING THE NEXT 24 HOURS...FOLLOWED BY SLOW WEAKENING.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205
MILES...335 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 946 MB...27.94 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA ARE EXPECTED 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. SWELLS AFFECTING THE NORTHERN LEEWARD
ISLANDS SHOULD CONTINUE TO SUBSIDE OVERNIGHT. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST.