Post by Nws Olney Maryland on Sept 9, 2011 15:50:19 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 46
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST FRI SEP 09 2011
...KATIA MOVING OVER THE OPEN ATLANTIC MIDWAY BETWEEN BERMUDA
AND NOVA SCOTIA...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...39.3N 65.8W
ABOUT 485 MI...785 KM N OF BERMUDA
ABOUT 385 MI...615 KM SSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 29 MPH...46 KM/H
MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 39.3 NORTH...LONGITUDE 65.8 WEST. KATIA IS
MOVING TOWARD THE NORTHEAST NEAR 29 MPH...46 KM/H...AND THIS
GENERAL MOTION ACCOMPANIED BY AN INCREASE IN FORWARD SPEED IS
EXPECTED 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
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 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 255
MILES...410 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 968 MB...28.59 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...500 PM AST.
HURRICANE KATIA ADVISORY NUMBER 46
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
1100 AM AST FRI SEP 09 2011
...KATIA MOVING OVER THE OPEN ATLANTIC MIDWAY BETWEEN BERMUDA
AND NOVA SCOTIA...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...39.3N 65.8W
ABOUT 485 MI...785 KM N OF BERMUDA
ABOUT 385 MI...615 KM SSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 29 MPH...46 KM/H
MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS
LOCATED NEAR LATITUDE 39.3 NORTH...LONGITUDE 65.8 WEST. KATIA IS
MOVING TOWARD THE NORTHEAST NEAR 29 MPH...46 KM/H...AND THIS
GENERAL MOTION ACCOMPANIED BY AN INCREASE IN FORWARD SPEED IS
EXPECTED 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
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 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 255
MILES...410 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 968 MB...28.59 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...500 PM AST.