Post by Nws Olney Maryland on Sept 6, 2011 10:07:06 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 28
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 PM AST SUN SEP 04 2011
...CATEGORY TWO KATIA MOVING NORTHWESTWARD...EXPECTED TO BRING
HAZARDOUS SURF TO PORTIONS OF THE U.S. EAST COAST...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...23.4N 61.0W
ABOUT 385 MI...620 KM NNE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 655 MI...1060 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...965 MB...28.50 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 23.4 NORTH...LONGITUDE 61.0 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 13 MPH...20 KM/H...AND THIS GENERAL
MOTION WITH A SLIGHT DECREASE IN FORWARD SPEED IS EXPECTED THROUGH
TUESDAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 105 MPH...165 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS...AND KATIA COULD BECOME A MAJOR HURRICANE ON MONDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB...28.50 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA ARE EXPECTED TO AFFECT PARTS
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 BEGIN TO SUBSIDE EARLY MONDAY. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST.
HURRICANE KATIA ADVISORY NUMBER 28
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 PM AST SUN SEP 04 2011
...CATEGORY TWO KATIA MOVING NORTHWESTWARD...EXPECTED TO BRING
HAZARDOUS SURF TO PORTIONS OF THE U.S. EAST COAST...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...23.4N 61.0W
ABOUT 385 MI...620 KM NNE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 655 MI...1060 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...965 MB...28.50 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 23.4 NORTH...LONGITUDE 61.0 WEST. KATIA IS
MOVING TOWARD THE NORTHWEST NEAR 13 MPH...20 KM/H...AND THIS GENERAL
MOTION WITH A SLIGHT DECREASE IN FORWARD SPEED IS EXPECTED THROUGH
TUESDAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 105 MPH...165 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS...AND KATIA COULD BECOME A MAJOR HURRICANE ON MONDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB...28.50 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY KATIA ARE EXPECTED TO AFFECT PARTS
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 BEGIN TO SUBSIDE EARLY MONDAY. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST.