Post by Nws Olney Maryland on Sept 9, 2011 15:47:50 GMT -5
BULLETIN
HURRICANE KATIA ADVISORY NUMBER 44
NWS NATIONAL HURRICANE CENTER OLNEY MD AL122011
1100 PM AST THU SEP 08 2011
...KATIA ACCELERATING NORTHEASTWARD OVER THE NORTH ATLANTIC...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...36.3N 68.8W
ABOUT 360 MI...575 KM NW OF BERMUDA
ABOUT 635 MI...1020 KM SSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NE OR 35 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...973 MB...28.73 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 36.3 NORTH...LONGITUDE 68.8 WEST. KATIA IS
MOVING TOWARD THE NORTHEAST NEAR 21 MPH...33 KM/H...AND THIS MOTION
IS EXPECTED TO CONTINUE THROUGH FRIDAY AFTERNOON. A TURN TO THE
EAST-NORTHEAST ACCOMPANIED BY A SHARP INCREASE IN FORWARD SPEED IS
EXPECTED BY FRIDAY EVENING. ON THE FORECAST TRACK...KATIA IS
EXPECTED TO REMAIN WELL SOUTH OF NOVA SCOTIA AND NEWFOUNDLAND.
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. LITTLE CHANGE IS EXPECTED THROUGH FRIDAY EVENING...AND ONLY
SLOW WEAKENING IS FORECAST AFTER THAT. KATIA IS EXPECTED TO
TRANSITION INTO A POWERFUL EXTRATROPICAL STORM SYSTEM BY SATURDAY.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 230
MILES...370 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 973 MB...28.73 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 AM AST.
HURRICANE KATIA ADVISORY NUMBER 44
NWS NATIONAL HURRICANE CENTER OLNEY MD AL122011
1100 PM AST THU SEP 08 2011
...KATIA ACCELERATING NORTHEASTWARD OVER THE NORTH ATLANTIC...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...36.3N 68.8W
ABOUT 360 MI...575 KM NW OF BERMUDA
ABOUT 635 MI...1020 KM SSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NE OR 35 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...973 MB...28.73 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 36.3 NORTH...LONGITUDE 68.8 WEST. KATIA IS
MOVING TOWARD THE NORTHEAST NEAR 21 MPH...33 KM/H...AND THIS MOTION
IS EXPECTED TO CONTINUE THROUGH FRIDAY AFTERNOON. A TURN TO THE
EAST-NORTHEAST ACCOMPANIED BY A SHARP INCREASE IN FORWARD SPEED IS
EXPECTED BY FRIDAY EVENING. ON THE FORECAST TRACK...KATIA IS
EXPECTED TO REMAIN WELL SOUTH OF NOVA SCOTIA AND NEWFOUNDLAND.
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/H...WITH HIGHER
GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. LITTLE CHANGE IS EXPECTED THROUGH FRIDAY EVENING...AND ONLY
SLOW WEAKENING IS FORECAST AFTER THAT. KATIA IS EXPECTED TO
TRANSITION INTO A POWERFUL EXTRATROPICAL STORM SYSTEM BY SATURDAY.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 230
MILES...370 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 973 MB...28.73 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 AM AST.